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PI49FCT3805/PI49FCT3806 PI49FCT3805A/PI49FCT3806A PI49FCT3805B/PI49FCT3806B PI49FCT3805C/PI49FCT3806C
3.3V Fast CMOS Buffer/Clock Driver
Features

Product Description
Pericom Semiconductors PI49FCT series of logic circuits are produced using the Companys advanced submicron CMOS technology, achieving industry leading speed grades. The PI49FCT3805 is a 3.3V non-inverting clock driver and the PI49FCT3806 is a 3.3V inverting clock driver designed with two independent groups of buffers. These buffers have 3-state Output Enable inputs (active LOW) with a 1-in, 5-out configuration per group. Each clock driver consist of two banks of drivers, driving five outputs each from a standard TTL compatible CMOS input.
3.3V version of PI49FCT805/806 Extremely low output skew: 0.5ns Monitor ouput pin Clock busing wih 3-state control TTL inpu and CMOS output compatible Industrial operation at40C to 85C Extremely low static power (1mW, typ.) Hysteresis on all inputs Packages available: 20-pin 300-mil wide SOIC (S) 20-pin 150-mil wide QSOP (Q) 20-pin 209-mil wide SSOP (H) Device models available on request
PI49FCT3805 Logic Block Diagram
PI49FCT3806 Logic Block Diagram
OEA INA 5 OA0-4
OEA INA 5 OA0-4
INB OEB
5
OB0-4
INB OEB
5
OB0-4
MON
MON
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PI49FCT3805 Product Pin Configuration
VCCA OA0 OA1 OA2 GNDA OA3 OA4 GNDQ OEA INA
PI49FCT3806 Product Pin Configuration
VCCA OA0 OA1 OA2 GNDA OA3 OA4 GNDQ OEA INA
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PI49FCT3805/3806 3.3V Fast CMOS Buffer/Clock Driver
Product Pin Description
Pin Name OEA, OEB INA, INB OAN, OBN MON GND VCC Description 3-State Output Enable Inputs (Active LOW) Clock Inputs Clock Outputs Monitor Output Ground Power
PI49FCT3805 Truth Table(1)
Inputs OEA, OEB L L H H INA, INB L H L H Outputs OAN, OBN MON L L H H Z L Z H
Note: 1. H = High Voltage Level L = Low Voltage Level Z = High Impedance
PI49FCT3806 Truth Table(1)
Inputs OEA, OEB L L H H INA, INB L H L H Outputs OAN, OBN MON H H L L Z H Z L
1 20 2 19 3 18 4 17 20-Pin 5 16 H20 Q20 6 15 S20 7 14 8 13 9 12 10 11
VCCB OB0 OB1 OB2 GNDB OB3 OB4 MON OEB INB
Note: 1. H = High Voltage Level L = Low Voltage Level Z = High Impedance
1 20 2 19 3 18 4 17 20-Pin 5 16 H20 6 Q 2 0 15 S 2 0 14 7 8 13 9 12 10 11
VCCB OB0 OB1 OB2 GNDB OB3 OB4 MON OEB INB
Capacitance (TA = 25C, f = 1 MHz)
Parameters(1) CIN COUT Description Input Capacitance Output Capacitance Test Conditions VIN = 0V VOUT = 0V Typ 4.5 5.5 Max. 6.0 8.0 Units pF pF
Note: 1. This parameter is determined by device characterization but is not production tested.
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PI49FCT3805/3806 3.3V Fast CMOS Buffer/Clock Driver
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ............................................................ -65C to +150C Ambient Temperature with Power Applied .............................. -40C to +85C Supply Voltage to Ground Potential (Inputs & Vcc Only) ......... -0.5V to +7.0V Supply Voltage to Ground Potential (Outputs & I/O Only) ....... -0.5V to +7.0V DC Input Voltage ....................................................................... -0.5V to +7.0V DC Output Current ................................................................................ 120 mA Power Dissipation .................................................................................... 0.5W Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Operating Range
Ambient Temperature = -40C to +85C, Vcc = 3.3V 0.3V
DC Electrical Characteristics (Over the Operating Range)
Symbol VO H VO L De s cription Output HIGH voltage Output LOW voltage Te s t Conditions (1) VC C = 1.5V, VIN = VIH or VIL VC C = 1.5V, VIN = VIH or VIL IO H = 0.1mA IO H = 8mA IO L = 0.1mA IO L = 16mA IO L = 24mA Input Pins Input Pins VIN = VC C (Input Pins) VIN = GND (Input & I/O Pins) VO UT = VC C VO UT = GND M in. VC C - 0.2 2.4(3) 2.0 0.5
(4 )
Typ.(2) 3.0 0.2 0.3 0.7 60 90 135 150
M ax. 0.2 0.4 0.5 5.5 0.8 1 1 1 1 1.2 110 200 240
Units
V
VIH VIL IIH IIL IOZH IO ZL VIK IO DH IO DL IO S VH
Input HIGH voltage Input LOW voltage Input HIGH current Input LOW current High impedance Output Current Clamp diode voltage Output HIGH current Output LOW current Short circuit current(5) Input Hysteresis
Guaranteed Logic HIGH level Guaranteed Logic LOW level VC C = Max. VC C = Max. VC C = Max (3- State Output Pins) VC C = Min., IIN = 18mA
A
V
VC C = 3.3V, VIN = VIH or VIL, VO UT = 1.5V
35 50 60
VC C = 3.3V, VIN = VIH or VIL, VO UT = 1.5V(4) VC C = Max.,VO UT = GND(5)
mA
mV
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 3.3V, +25C ambient and maximum loading. 3. VOH = VCC - 0.6V at rated current. 4. This parameter is determined by device characterization but is not production tested. 5. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
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PI49FCT3805/3806 3.3V Fast CMOS Buffer/Clock Driver
Power Supply Characteristics
Parameters Description ICC ICC ICCD Quiescent Power Supply Current Supply Current per Inputs @ TTL HIGH Supply Current per Input per MHz(4) Test Conditions(1) VCC = Max. VCC = Max. VCC = Max., Outputs Open OEA or OEB = GND Per Output Toggling 50% Duty Cycle VCC = Max., Outputs Open fO = 10 MHZ 50% Duty Cycle OEA or OEB = GND Mon. Outputs Toggling VCC = Max., Outputs Open fO = 2.5 MHZ 50% Duty Cycle OEA or OEB = GND Eleven Outputs Toggling VIN = GND or VCC VIN = VCC - 0.6V(3) VIN = VCC VIN = GND Min. -- -- -- Typ(2) 3 2.0 0.08 Max. 30 300 0.16 Units A A mA/ MHZ
IC
Total Power Supply Current(6)
VIN = VCC VIN = GND VIN = VCC - 0.6V VIN = GND VIN = VCC VIN = GND VIN = VCC - 0.6V VIN = GND
--
3.3
9.0(5)
--
3.3
10.0(5) mA
--
1.8
6.0
(5)
--
1.8
7.0(5)
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at VCC = 3.3V, +25C ambient. 3. Per TTL driven input (VIN = VCC 0.6V); all other inputs at VCC or GND. 4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations. 5. Values for these conditions are examples of the IC formula. These limits are guaranteed but not tested. 6. IC = IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ICC DHNT + ICCD (fONO) ICC = Quiescent Current ICC = Power Supply Current for a TTL High Input (VIN = VCC 0.6V) DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at DH ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fO = Output Frequency NO = Number of Outputs at fO All currents are in milliamps and all frequencies are in megahertz.
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PI49FCT3805/3806 3.3V Fast CMOS Buffer/Clock Driver
Switching Characteristics over Operating Range
3805/3806 Parame te rs De s cription Condition(1) Com. M in. M ax 6.5 8.0 7.0 0.7 3805A/3806A Com. M in. 1.5 1.5 1.5 M ax 5.8 8.0 7.0 0.7 3805B/3806B Com. M in. 1.5 1.5 1.5 M ax 5.0 6.5 6.0 0.5 3805C/3806C Com. M in. 1.5 1.5 1.5 M ax 4.5 6.2 5.0 0.5 ns Units
tPLH tPHL tPZH tPZL tPHZ tPLZ tSK (o)(3) tSK (p)(3)
Propagation Delay INA to OAN , INB to OBN Output Enable Time OEA to OAN , OEB to OBN Output Disable Time OEA to OAN , OEB to OBN Skew between two outputs of same package (Same transition) Skew between opposite transition (tPHL- tPLH) of the same output Skew between two outputs of different package at same temperature (Same transition) CL = 50pF RL = 500
1.5 1.5 1.5
1.0
0.7
0.5
0.5
tSK (t)(3)
1.5
1.2
1.0
0.8
Note: 1. See test circuit and waveforms 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. Skew measured at worst cast temperature (max. temp).
Tests Circuits for All Outputs(1) , except for FIN >100 MHz
6.0V
Switch Position
Test Disable LOW Enable LOW Disable HIGH Enable HIGH Switch 6V GND Open
VCC
500 VIN Pulse Generator D.U.T. VOUT
All Other Inputs
50pF RT CL 500
DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
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PI49FCT3805/3806 3.3V Fast CMOS Buffer/Clock Driver
SWITCHING WAVEFORMS
Propagation Delay
3V Input tPLH Output tPHL VOH 1.5V VOL 1.5V 0V
Output Skew tSK(o)
3V Input tPLHx Ox
tSK(o) tSK(o)
1.5V 0V tPHLx VOH 1.5V VOL VOH
Oy
1.5V tPLHy VOL tPHLy
Enable and Disable Times
Enable OE
Disable 3V 1.5V 0V
tSK(o) = | tPLHy - tPLHx | or | tPHLy - tPHLx |
Pulse Skew - tSK(p)
3V Input tPLH tPHL VOH Output 1.5V VOL tSK(p) = | tPHL - tPLH | 1.5V 0V
tPZL Output Normally Low 3.0V Switch Closed 1.5V
tPLZ 3.0V
0.3V tPHZ 0.3V 1.5V 0V
VOL
tPZH Output Normally High
VOH
Switch Open
0V
Package Skew tSK(t)
3V Input tPLH1 Package 1 Output
tSK(t) tSK(t)
1.5V 0V tPHL1 VOH 1.5V VOL VOH
Package 2 Output tPLH2
1.5V VOL tPHL2
tSK(t) = | tPLH2 - tPLH1 | or | tPHL2 - tPHL1 |
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PI49FCT3805/3806 3.3V Fast CMOS Buffer/Clock Driver
Ordering Information
Orde ring Code PI49FCT3805H PI49FCT3806H PI49FCT3805Q PI49FCT3806Q PI49FCT3805S PI49FCT3806S PI49FCT3805AH PI49FCT3806AH PI49FCT3805AQ PI49FCT3806AQ PI49FCT3805AS PI49FCT3806AS PI49FCT3805BH PI49FCT3806BH PI49FCT3805BQ PI49FCT3806BQ PI49FCT3805BS PI49FCT3806BS PI49FCT3805CH PI49FCT3806CH PI49FCT3805CQ PI49FCT3806CQ PI49FCT3805CS PI49FCT3806CS Package Type 20- pin 209 mil SSO P 20- pin 150 mil Q SO P 20- pin 300 mil SSIC 20- pin 209 mil SSO P 20- pin 150 mil Q SO P 20- pin 300 mil SSIC Industrial 20- pin 209 mil SSO P 20- pin 150 mil Q SO P 20- pin 300 mil SSIC 20- pin 209 mil SSO P 20- pin 150 mil Q SO P 20- pin 300 mil SSIC Refer to Switching Characteristic Table for Speed Grade Characteristics Rating Note
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20-Pin SOIC Package Drawing (S)
20
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.2914 .2992 7.40 7.60 .010 .029 1 .496 12.60 .511 12.99 .0091 .0125 0.41 .016 1.27 .050 .0926 .1043 2.35 2.65 SEATING PLANE .394 .419 10.00 10.65 0.23 0.32 0.254 x 45 0.737 0-8 .020 0.508 REF .030 0.762 .050 BSC 1.27 .013 .020 0.33 0.51 .0040 .0118 0.10 0.30 X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS
PI49FCT3805/3806 3.3V Fast CMOS Buffer/Clock Driver
20-Pin QSOP Package Drawing (Q)
20
.150 .157
3.81 3.99 .015 x 45 0.38
1 .337 8.56 .344 8.74 .016 .050 .053 1.35 .069 1.75 SEATING PLANE 0.41 1.27 .007 .010 0.178 0.254
.058 REF 1.47
.228 .244 5.79 6.19
.025 BSC 0.635
.004 0.101 .010 0.254 .008 0.203 .012 0.305 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
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PI49FCT3805/3806 3.3V Fast CMOS Buffer/Clock Driver
20-Pin SSOP Package Drawing (H)
20
.197 .220
5.00 5.60
1 .272 .295 6.90 7.50 .078 2.00 Max SEATING PLANE .002 Min 0.050
.004 .009
0.09 0.25
0.55 .022 0.95 .037 .291 .322 7.40 8.20
.0256 BSC 0.65
.0098 Max. 0.25
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
Pericom Semiconductor Corporation 2380 Bering Drive * San Jose, CA 95131 * 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com
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