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INTEGRATED CIRCUITS
DATA SHEET
PCA148x series 32 kHz watch circuits with adaptive motor pulse
Product specification Supersedes data of 1998 Mar 26 File under Integrated Circuits, IC16 1998 Apr 21
Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
FEATURES * 32 kHz oscillator, amplitude regulated with excellent frequency stability * High immunity of the oscillator to leakage currents * Time calibration electrically programmable and reprogrammable (via EEPROM) * A quartz crystal is the only external component required * Very low current consumption; typically 170 nA * Output for bipolar stepping motors of different types * Up to 50% reduction in motor current compared with conventional circuits, by self adaption of the motor pulse width in accordance with the required torque of the motor ORDERING INFORMATION TYPE NUMBER PCA1485U/7 PCA1486U/7 PCA1486U/10 PCA1487U/10 Note PACKAGE(1) NAME - - - - DESCRIPTION chip with bumps on tape chip with bumps on tape chip on foil chip on foil GENERAL DESCRIPTION
PCA148x series
* No loss of motor steps possible because of on-chip detection of the induced motor voltage * Indication for battery end-of-life * Stop function for accurate timing * Power-on reset for fast testing * Various test modes for testing the mechanical parts of the watch and the IC.
The PCA148x series devices are CMOS integrated circuits specially suited for battery-operated, quartz-crystal-controlled wrist-watches, with a bipolar stepping motor.
VERSION - - - -
1. Figure 1 and Chapter "Package outline" show details of standard package, available for large orders only. Chapter "Chip dimensions and bonding pad locations" shows exact pad locations for other delivery formats. PINNING SYMBOL VSS TEST OSC IN OSC OUT VDD M1 M2 RESET PIN 1 2 3 4 5 6 7 8 DESCRIPTION ground (0 V) test output oscillator input oscillator output supply voltage motor 1 output motor 2 output reset input
OSC OUT 4
MSA968
VSS TEST OSC IN
1 2
8 7
RESET M2 M1 V DD
PCA148xT
3 6 5
Fig.1 Pin configuration, PCA148xT, (PMFP8).
1998 Apr 21
2
Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
FUNCTIONAL DESCRIPTION AND TESTING The motor output delivers pulses of six different stages depending on the torque required to turn the motor (Fig.3). Every motor pulse is followed by a detection phase which monitors the waveform of the induced motor voltage. When a step is missed a correction sequence will be started (Fig.2). Motor pulses The circuit produces motor pulses of six different stages (stage 1 to 5, stage 6). Stages 1 to 5 are used in normal operation, stage 6 occurs under the following conditions: * Correction pulse after a missing step * End-of-life mode * If stage 5 is not enough to turn the motor. The ON state of the motor pulse varies between 43.75% and 75% of the duty factor tDF = 977 s depending on the stage (Fig.3). It increases in steps of 6.25% per stage.
PCA148x series
After a RESET the circuit always starts and continues with stage 1, when all motor pulses have been executed. A failure to execute all motor pulses results in the circuit going into stage 2, this sequence will be repeated through to stage 6. When the motor pulses at stage 5 are not large enough to turn the motor, stage 6 is implemented for a maximum of 8 minutes with no attempt to keep current consumption low. After stage 6 has been executed the procedure is repeated from RESET. The circuit operates for 8 minutes at a fixed stage, if every motor pulse is executed. The next 480 motor pulses are then produced at the next lower stage unless a missing step is detected. If a step is missed a correction sequence is produced and for a maximum of 8 minutes the motor pulses are increased by one stage.
MOTOR PULSE
DETECTION
POSSIBLE CORRECTION SEQUENCE
VM1 - M2
tP
tD
tC tT
MSA969
Fig.2 Possible motor output waveform in normal operation with motor connected.
1998 Apr 21
3
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t SONF = 244 s t SON t DF = 977 s t SOFF t ONL t ON = t SON t DF = STAGE 1 43.75 % STAGE 2 50.00 % STAGE 3 56.25 % STAGE 4 62.50 % t DF t SOFF t DF
Philips Semiconductors
32 kHz watch circuits with adaptive motor pulse
4
STAGE 5 68.75 % STAGE 6 75.00 % t P3 = 3.9 ms t P2 = 5.86 ms t P1 = 7.81 ms
MSA970
PCA148x series
Product specification
tOFF for stage 1 to 6 = 611 s - stage x 61 s tON for stage 1 to 6 = 366 s + stage x 61 s
Fig.3 Motor pulses (VDD = 1.55 V).
Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
Voltage level detector The supply voltage is compared with the internal voltage reference VEOL every minute. The first voltage level detection is carried out 30 ms after RESET. When the detected VDD voltage level is greater than VEOL, the circuit operates in normal mode (Fig.3). If the battery end-of-life is detected (VDD < VEOL), the detection and stage control is switched OFF and the waveform of stage 6 will be executed. To indicate this condition the waveform is produced in bursts of 4 pulses every 4 s.
PCA148x series
Detection of motor movement After a motor pulse, the motor is short-circuited to VDD for 1 ms. Afterwards the energy in the motor inductor will be dissipated to measure only the current generated by the induced motor voltage. During the time tDI (dissipation of energy time) all switches shown in Fig.4 are open to reduce the current as fast as possible. The current will now flow through the diodes D3 and D2, or D4 and D1. Then the first of 52 possible measurement cycles (tMC) starts to measure the induced current.
VDD P1 D1 D2 P2
L1
M1
MOTOR
M2
L2
N1
D3
D4
N2 V SS
MSA941
Fig.4 Motor driving and detecting circuit.
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
Detection criteria The PCA148x uses current detection in two defined parts of the detection phase to determine if the motor has moved (refer to Figs 5 and 6). The detection criteria are: part 1 * Minimum value of P = 1; where P = number of measured positive current polarities after tDI. part 2 * Minimum value of N = 2; where N = number of measured positive current polarities since the first negative current polarity after part 1 was detected (see Fig.5). If the opposite polarity is measured in one part, the internal counter is reset, so the results of all measurements in this part are ignored. Table 1 Measurement cycle PHASE 1 2 DESCRIPTION
PCA148x series
The waveform of the induced current must enable all these measurements within the time tD after the end of a positive motor pulse in order to be accepted as a waveform of an executed motor pulse. If the detection criterion is satisfied earlier, a measurement cycle will not be started and the switches P1 and P2 stay closed, the motor is switched to VDD. Every measurement cycle (tMC) has 4 phases. These are detailed in Table 1. Note that detection and pulse width control will be switched OFF when the battery voltage is below the end-of-life voltage (VEOL), or if stage 5 is not sufficient to turn the motor.
SYMBOL tM1 tM2
During tM1 the switches P1 and P2 are closed in order to switch the motor to VDD, so the induced current flows unaffected through the motor inductance. Measures the induced current; during a maximum time tM2 all switches are open until a change is sensed by one of the level detectors (L1, L2). The motor is short-circuited to VDD. Depending on the direction of the interrupted current: * The current flows through diodes D3 and D2, causing the voltage at M1 to decrease in relation to M2; * The current flows through diodes D4 and D1, causing the voltage at M2 to decrease in relation to M1. A successfully detected current polarity is normally characterized by a short pulse of 0.5 to 10 s with a voltage up to 2.1 V, failed polarity detection by the maximum pulse width of 61 s and a voltage of 0.5 V (see Fig.6).
tM3 tM4
3 4
The switches P1 and P2 remain closed for the time tM3. If the circuit detects fewer pulses than P and N respectively, a pulse of the time tM4 occurs to reduce the induced current. Therefore P2 and P1 are opened and N1 and N2 are closed. Otherwise P1 and P2 remain closed.
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
PCA148x series
MOTOR PULSE I M1 - M2
DETECTION PHASE
part 1
part 2
detection criterion is satisfied
t
t DS tP
t DI tD
MSA944
Fig.5 Typical current waveform of a successfully executed motor pulse.
MOTOR PULSE
DETECTION PHASE
V M1 - M2 tM1 = 244 s t M3 t DS t DI t M4 t M1 t M2 = 61 s tD current polarity not measured detection criterion is satisfied tMC = 488 s
t
M2
= 61 s
tP
VM1
t M2 = 61 s t M1 = 244 s t DS t DI
tMC = 488 s
t M2 = 61 s
t M1 = 244 s
MSA945
Fig.6 Detection phase of the current waveform in Fig.5.
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
Correction sequence (see Fig.7)
PCA148x series
If a missing step is detected, a correction sequence is produced. This consists of a small pulse (tC1) which gives the motor a defined position and after 29.30 ms a pulse of stage 6 (tC2) to turn the motor.
MOTOR PULSE
DETECTION
CORRECTION SEQUENCE
VM1 - M2
t C1 = 977 s tP tD t C = 30.27 ms tP
t C2 = t P
MSA943
Fig.7 Correction sequence after a missing motor step with motor connected.
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
Time calibration Taking a normal quartz crystal with frequency 32768kHz, frequency deviation (f/f) of 15 x 10-6 and CL = 8.2 pF; the oscillator frequency is offset (by using non-symmetrical internal oscillator input and output capacitances of 10 pF and 15 pF) such that the frequency deviation is positive-only. This positive deviation can then be compensated for to maintain time-keeping accuracy. Once the positive frequency deviation is measured, a corresponding number `n' (see Table 2) is programmed into the device's EEPROM. This causes n pulses of frequency 8192 Hz to be inhibited every minute of operation, which achieves the required calibration. The programming circuit is shown in Fig.8. The required number n is programmed into EEPROM by varying VDD according to the steps shown in Fig.9, which are explained below: 1. The positive quartz frequency deviation (f/f) is measured, and the corresponding values of n are found according to Table 2. 2. VDD is increased to 5.1 V allowing the contents of the EEPROM to be checked from the motor pulse period tT3 at nominal frequency. Table 2 Quartz crystal frequency deviation, n and tT3 NUMBER OF PULSES (n) 0 1 2 . . . 63
PCA148x series
3. VDD is decreased to 2.5 V during a motor pulse to initialize a storing sequence. 4. The first VDD pulse to 5.1 V erases the contents of EEPROM. 5. When the EEPROM is erased a logic 1 is at the TEST pin. 6. VDD is increased to 5.1 V to read the data by pulsing VDD n times to 4.5 V. After the n edge, VDD is decreased to 2.5 V. 7. VDD is increased to 5.1 V to store n bits in the EEPROM. 8. VDD is decreased to 2.5 V to terminate the storing sequence and to return to operating mode. 9. VDD is increased to 5.1 V to check writing from the motor pulse period tT3. 10. VDD is decreased to the operation voltage between two motor pulses to return to operating mode. (Decreasing VDD during the motor pulse would restart the programming mode). The time calibration can be reprogrammed up to 100 times.
FREQUENCY DEVIATION f/f (x 10-6) 0(1) +2.03 +4.06 . . . +127.89 Notes
SIGNAL GENERATOR
tT3 (ms) 31.250(2) 31.372 31.494 . . . 38.936
32 kHz OSC OUT 4 5 OSC IN 3 TEST 2 7 M2
M
V SS
1
8
RESET
PCA148x SERIES
6
M1
VDD
MSA971
1. Increments of 2.03 x 10-6/step. 2. Increments of 122 s/step.
Fig.8 Circuit for programming the time calibration.
1998 Apr 21
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CONTENT CHECKING ERASURE DATA INPUT STORING CHECKING I DD t T3 V DDP 5.1 4.5 9 VDD (V) 2.5 1 1.5 t E = 5 ms 0 (VSS) (1) (1) (1) (1)
MSA948
Philips Semiconductors
32 kHz watch circuits with adaptive motor pulse
1
2
3
n
10
t edge = 1 s 0.1 ms min.
10
2
3
4
5
6
7
8
9
10
t S = 5 ms
PCA148x series
Product specification
(1) Rise and fall time should be greater than 400 s/V for immediately correct checking.
Fig.9 VDD for programming.
Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
Power-on reset For correct operation of the Power-on reset the rise time of VDD from 0 V to 2.1 V should be less than 0.1 ms. All resettable flip-flops are reset. Additionally the polarity of the first motor pulse is positive: VM1 - VM2 0 V. Customer testing An output frequency of 32 Hz is provided at RESET (pin 8) to be used for exact frequency measurement. Every minute a jitter occurs as a result of the inhibition, which occurs 90 to 150 ms after disconnecting the RESET from VDD. Connecting the RESET to VDD stops the motor pulses leaving them in a 3-state mode and sets the motor pulse width for the next available motor pulse to stage 1. A 32 Hz signal without jitter is produced at the TEST pin. Debounce time RESET = 14.7 to 123.2 ms. Connecting RESET to VSS activates Tests 1 and 2 and disables the inhibition. AVAILABLE TYPES Refer to Chapters "Ordering information" and "Functional description and testing". SPECIFICATIONS SHORT TYPE NUMBER 1485 1486 1487 Note 1. U = Chip in trays; U/5 = wafer; U/7 = chip with bumps on tape. DELIVERY FORMAT(1) PERIOD tT (s) 1 1 1 PULSE WIDTH tP (ms) 5.8 5.8 7.8 DRIVE (%) 75 75 75 DETECTION CRITERION P=1 N=2 P=1 N=2 P=2 N=3
PCA148x series
Test 1, VDD > VEOL. Normal function takes place except that the motor pulse period is tT1 = 125 ms instead of tT, and the motor pulse stage is reduced every second instead of every 8 minutes. At TEST a speeded-up 8 minute signal is available. Test 2, VDD < VEOL. Motor pulses of stage 6 are produced, with a time period of tT2 = 31.25 ms. Test and reset modes are terminated by disconnecting the RESET pin. Test 3, VDD > 5.1 V. Motor pulses without chopping are produced, with a time period of tT3 = 31.25 ms and n x 122 s to check the contents of the EEPROM. At TEST a speeded-up cycle for motor pulse period signal tT is available at 1024 times its normal frequency. Decreasing VDD voltage level to lower than 2.5 V between two motor pulses returns the circuit to normal operating conditions.
EEPROM
BATTERY EOL DETECTION yes no yes
REMARKS
U/7 U/7 U/5
yes yes yes
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VDD VI Tamb Tstg Note PARAMETER supply voltage all input voltages output short-circuit duration operating ambient temperature storage temperature CONDITIONS VSS = 0 V; note 1
PCA148x series
MIN. -1.8 VSS -10 -30
MAX. +6 VDD indefinite +60 +100
UNIT V V C C
1. Connecting the battery with reversed polarity does not destroy the circuit, but in this condition a large current flows, which will rapidly discharge the battery. HANDLING Inputs and outputs are protected against electrostatic discharges in normal handling. However, to be totally safe, it is advisable to take handling precautions appropriate to handling MOS devices. Advice can be found in "Data Handbook IC16, General, Handling MOS Devices".
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
PCA148x series
CHARACTERISTICS VDD = 1.55 V; VSS = 0 V; fosc = 32.768 kHz; Tamb = 25 C; crystal: RS = 20 k; C1 = 2 to 3 fF; CL = 8 to 10 pF; C0 = 1 to 3 pF; unless otherwise specified. Immunity against parasitic impedance = 20 M from one pin to an adjacent pin. SYMBOL Supply VDD1 VDD VDD2 VDDP IDD1 IDD2 IDD3 supply voltage supply voltage variation supply voltage pulse supply voltage pulse variation supply current supply current supply current Tamb = -10 to +60 C transient programming programming between motor pulses Tamb = -10 to +60 C stop mode; pin 8 connected to VDD RM = 2 k; Tamb = -10 to +60 C between motor pulses Itransistor < 1 mA 1.2 - 5.0 0.55 - - - 1.55 - 5.1 0.6 170 - 180 2.5 0.25 5.2 0.65 260 600 280 V V V V nA nA nA PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Motor output Vsat Zo(sc) Oscillator VOSC ST gm tosc f/f Ci Co VEOL VEOL TCEOL Reset input fo Vo tedge Iim Ii(av) Note 1. Duty factor is 1 : 32 and RESET = VDD or VSS. output frequency output voltage swing edge time peak input current average input current R = 1 M; C = 10 pF R = 1 M; C = 10 pF note 1 - 1.4 - - - 32 - 1 320 10 - - - - - Hz V s nA nA starting voltage transconductance start-up time frequency stability input capacitance output capacitance VDD = 100 mV Vi(p-p) 50 mV 1.2 6 - - 8 12 - 15 1 0.05 x 10-6 10 15 - - - 0.3 x 10-6 12 18 pF pF V S s saturation voltage (P + N) output short-circuit impedance - - 150 200 200 300 mV
Voltage level detector threshold voltage hysteresis of threshold temperature coefficient 1.30 - - 1.38 10 -1 1.46 - - V mV mV/K
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
TIMING PARAMETERS SYMBOL tT tP tDF tONL tv tSON tSOFF tSONF tE tE1 tE2 tD tDS tDI tMC tM1 tM2 tM3 tM4 P N tC tC1 tC2 tT1 tT2 tT3 tDEB Note 1. No option available when EOL indication is required. PARAMETER cycle for motor pulse (note 1) motor pulse width duty factor last duty factor on voltage detection cycle duty factor on duty factor off first duty factor on EOL sequence motor pulse width time between pulses detection sequence short-circuited motor dissipation of energy measurement cycle phase 1 phase 2 (measure window) phase 3 phase 4 positive current polarities negative current polarities correction sequence small pulse width large pulse width cycle time for motor pulses in: testing test 1 test 2 test 3 debounce time for RESET = VDD see Fig.9 125 31.25 31.25 to 39 14.7 to 123.2 correction sequence (Fig.7) detection (Fig.6) end-of-life mode level mode silver-oxide mode (Fig.3) SECTION motor pulse (Figs 2 and 3) 1 7.81 977 183 to 488 60 427 to 733 550 to 244 244 4 tP 31.25 4.3 to 28.3 977 977 488 244 61 122 61 2 3 tP + 30.27 977 tP VALUE
PCA148x series
OPTION 5, 10, 12 or 20 3.9 or 5.9 - - - - - - - - - - - - - - - - - PUNIT s ms s s s s s s s ms ms ms s s s s s s s
ms s ms ms ms ms ms
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
CHIP DIMENSIONS AND BONDING PAD LOCATIONS
PCA148x series
y OSC OUT OSC IN TEST
V SS
1.44 mm
PCA148xU SERIES
0 0 VDD M1 2.02 mm M2 RESET
MSA972
x
Chip area: 2.91 mm2. Bonding pad dimensions: 110 m x 110 m. Chip thickness: 200 25 m, with bumps: 270 25 m.
Fig.10 Bonding pad locations, PCA148xU series; 8 terminals. Table 3 Bonding pad locations (dimensions in m) All x/y coordinates are referenced to bottom left pad (VDD), see Fig.10. PAD VSS TEST OSC IN OSC OUT VDD M1 M2 RESET chip corner (max. value) x 1290 940 481 -102 0 578 930 1290 -497.5 y 1100 1100 1100 1100 0 0 0 0 -170
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
APPLICATION INFORMATION
PCA148x series
1.55 V
V SS
1
8
RESET C M(2)
TEST
(1)
2
7
M2
M
OSC IN
PCA148x SERIES
3 6
M1
C M(2)
OSC OUT
4
5
VDD
MSA967
(1) Quartz crystal case should be connected to VDD. Stray capacitance and leakage resistance from RESET, M1 or M2 to OSC IN should be less than 0.5 pF or larger than 20 M. (2) Motor, probe and stray capacitance from M2 or M1 to VDD or VSS should be less than CM = 80 pF for correct operation of the detection circuit. Driving the motor at its minimum energy, probe and stray capacitance must be avoided.
Fig.11 Typical application circuit diagram.
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
PACKAGE OUTLINE PMFP8: plastic micro flat package; 8 leads (straight)
PCA148x series
SOT144-1
D
E
X
m
c
t
n HE
8
5
Q2 A2 pin 1 index Q1 L detail X 1 e b 4 wM
0
2.5 scale
5 mm
DIMENSIONS (mm are the original dimensions) UNIT mm A2 0.90 0.70 b 0.40 0.25 c 0.19 0.12 D (1) 3.1 2.9 E (1) 3.1 2.9 e 0.80 HE 4.6 4.4 L 0.75 m max. 0.26 n max. 0.3 Q1 0.40 0.30 Q2 0.40 0.30 t 0.95 w 0.1
Note 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. OUTLINE VERSION SOT144-1 REFERENCES IEC JEDEC EIAJ EUROPEAN PROJECTION
ISSUE DATE 94-01-25 95-01-24
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
DEFINITIONS Data sheet status Objective specification Preliminary specification Product specification Limiting values
PCA148x series
This data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications.
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
1998 Apr 21
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Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor pulse
NOTES
PCA148x series
1998 Apr 21
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Philips Semiconductors - a worldwide company
Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 160 1010, Fax. +43 160 101 1210 Belarus: Hotel Minsk Business Center, Bld. 3, r. 1211, Volodarski Str. 6, 220050 MINSK, Tel. +375 172 200 733, Fax. +375 172 200 773 Belgium: see The Netherlands Brazil: see South America Bulgaria: Philips Bulgaria Ltd., Energoproject, 15th floor, 51 James Bourchier Blvd., 1407 SOFIA, Tel. +359 2 689 211, Fax. +359 2 689 102 Canada: PHILIPS SEMICONDUCTORS/COMPONENTS, Tel. +1 800 234 7381 China/Hong Kong: 501 Hong Kong Industrial Technology Centre, 72 Tat Chee Avenue, Kowloon Tong, HONG KONG, Tel. +852 2319 7888, Fax. +852 2319 7700 Colombia: see South America Czech Republic: see Austria Denmark: Prags Boulevard 80, PB 1919, DK-2300 COPENHAGEN S, Tel. +45 32 88 2636, Fax. +45 31 57 0044 Finland: Sinikalliontie 3, FIN-02630 ESPOO, Tel. +358 9 615800, Fax. +358 9 61580920 France: 51 Rue Carnot, BP317, 92156 SURESNES Cedex, Tel. +33 1 40 99 6161, Fax. +33 1 40 99 6427 Germany: Hammerbrookstrae 69, D-20097 HAMBURG, Tel. +49 40 23 53 60, Fax. +49 40 23 536 300 Greece: No. 15, 25th March Street, GR 17778 TAVROS/ATHENS, Tel. +30 1 4894 339/239, Fax. +30 1 4814 240 Hungary: see Austria India: Philips INDIA Ltd, Band Box Building, 2nd floor, 254-D, Dr. Annie Besant Road, Worli, MUMBAI 400 025, Tel. +91 22 493 8541, Fax. +91 22 493 0966 Indonesia: see Singapore Ireland: Newstead, Clonskeagh, DUBLIN 14, Tel. +353 1 7640 000, Fax. +353 1 7640 200 Israel: RAPAC Electronics, 7 Kehilat Saloniki St, PO Box 18053, TEL AVIV 61180, Tel. +972 3 645 0444, Fax. +972 3 649 1007 Italy: PHILIPS SEMICONDUCTORS, Piazza IV Novembre 3, 20124 MILANO, Tel. +39 2 6752 2531, Fax. +39 2 6752 2557 Japan: Philips Bldg 13-37, Kohnan 2-chome, Minato-ku, TOKYO 108, Tel. +81 3 3740 5130, Fax. +81 3 3740 5077 Korea: Philips House, 260-199 Itaewon-dong, Yongsan-ku, SEOUL, Tel. +82 2 709 1412, Fax. +82 2 709 1415 Malaysia: No. 76 Jalan Universiti, 46200 PETALING JAYA, SELANGOR, Tel. +60 3 750 5214, Fax. +60 3 757 4880 Mexico: 5900 Gateway East, Suite 200, EL PASO, TEXAS 79905, Tel. +9-5 800 234 7381 Middle East: see Italy Netherlands: Postbus 90050, 5600 PB EINDHOVEN, Bldg. VB, Tel. +31 40 27 82785, Fax. +31 40 27 88399 New Zealand: 2 Wagener Place, C.P.O. Box 1041, AUCKLAND, Tel. +64 9 849 4160, Fax. +64 9 849 7811 Norway: Box 1, Manglerud 0612, OSLO, Tel. +47 22 74 8000, Fax. +47 22 74 8341 Philippines: Philips Semiconductors Philippines Inc., 106 Valero St. Salcedo Village, P.O. Box 2108 MCC, MAKATI, Metro MANILA, Tel. +63 2 816 6380, Fax. +63 2 817 3474 Poland: Ul. Lukiska 10, PL 04-123 WARSZAWA, Tel. +48 22 612 2831, Fax. +48 22 612 2327 Portugal: see Spain Romania: see Italy Russia: Philips Russia, Ul. Usatcheva 35A, 119048 MOSCOW, Tel. +7 095 755 6918, Fax. +7 095 755 6919 Singapore: Lorong 1, Toa Payoh, SINGAPORE 1231, Tel. +65 350 2538, Fax. +65 251 6500 Slovakia: see Austria Slovenia: see Italy South Africa: S.A. PHILIPS Pty Ltd., 195-215 Main Road Martindale, 2092 JOHANNESBURG, P.O. Box 7430 Johannesburg 2000, Tel. +27 11 470 5911, Fax. +27 11 470 5494 South America: Al. Vicente Pinzon, 173, 6th floor, 04547-130 SAO PAULO, SP, Brazil, Tel. +55 11 821 2333, Fax. +55 11 821 2382 Spain: Balmes 22, 08007 BARCELONA, Tel. +34 3 301 6312, Fax. +34 3 301 4107 Sweden: Kottbygatan 7, Akalla, S-16485 STOCKHOLM, Tel. +46 8 632 2000, Fax. +46 8 632 2745 Switzerland: Allmendstrasse 140, CH-8027 ZURICH, Tel. +41 1 488 2686, Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2865, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel. +66 2 745 4090, Fax. +66 2 398 0793 Turkey: Talatpasa Cad. No. 5, 80640 GULTEPE/ISTANBUL, Tel. +90 212 279 2770, Fax. +90 212 282 6707 Ukraine: PHILIPS UKRAINE, 4 Patrice Lumumba str., Building B, Floor 7, 252042 KIEV, Tel. +380 44 264 2776, Fax. +380 44 268 0461 United Kingdom: Philips Semiconductors Ltd., 276 Bath Road, Hayes, MIDDLESEX UB3 5BX, Tel. +44 181 730 5000, Fax. +44 181 754 8421 United States: 811 East Arques Avenue, SUNNYVALE, CA 94088-3409, Tel. +1 800 234 7381 Uruguay: see South America Vietnam: see Singapore Yugoslavia: PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD, Tel. +381 11 625 344, Fax.+381 11 635 777
For all other countries apply to: Philips Semiconductors, International Marketing & Sales Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825 (c) Philips Electronics N.V. 1998
Internet: http://www.semiconductors.philips.com
SCA57
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
415108/1200/04/pp20
Date of release: 1998 Apr 21
Document order number:
9397 750 03771

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