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| HA12219NT Audio Signal Processor for Cassette Deck ADE-207-258A 2nd Edition July 1998 Description HA12219NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip. Functions * PB equalizer x 2 channel * REC equalizer x 2 channel * Each electronic control switch to change REC/PB etc. * REC MUTE * REC head return switch Features * REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics. * PB equalizer circuit built-in. * REC /PB are possible with TYPE I/II. * Controllable from direct micro-computer output. * Available to reduce substrate-area because of high integration and small external parts. HA12219NT Pin Description, Equivalent Circuit (VCC = 12 V, Vref = 5.6 V, Ta = 25C, No signal, The value in the table show typical value.) Pin No. 1 2 Pin Name VCC REC-OUT(L) Note V = VCC V = Vref VCC Equivalent Circuit Pin Description VCC pin REC-EQ output GND 3 4 REC-OUT(R) REC-RETURN V = Vref V' = Vref VCC I REC return V 5 pin, 6 pin I GND , 4V 5 6 7 PB-IN B(L) PB-IN B(R) VREF V = Vref V' = VCC / 2 PB B deck input VCC Reference 10 k V 10 k GND 8 PB-IN A(L) V = Vref VCC PB A deck input , V PB-NF 9 PB-IN A(R) Rev.2, Jul. 1998, page 2 of 29 HA12219NT Pin Description, Equivalent Circuit (VCC = 12 V, Vref = 5.6 V, Ta = 25C, No signal, The value in the table show typical value.) (cont) Pin No. 12 Pin Name PB-NF(R) Note PB-IN = Vref Equivalent Circuit VCC Pin Description PB-EQ feed back PB-IN 17 13 PB-NF(L) PB-EQ(R) PB-OUT = Vref PB-OUT NAB output GND 16 21 PB-EQ(L) REC-IN(R) V = Vref VCC REC-EQ input 100 k Vref 7 22 14 REC-IN(L) PB-OUT(R) V = Vref VCC PB output GND 15 18 PB-OUT(L) A 120/70 I = 20 A I VCC Mode control input 22k 100 k GND 19 20 A/B B I/II Rev.2, Jul. 1998, page 3 of 29 HA12219NT Pin Description, Equivalent Circuit (VCC = 12 V, Vref = 5.6 V, Ta = 25C, No signal, The value in the table show typical value.) (cont) Pin No. 10 Pin Name IREF Note V = 1.2 V Equivalent Circuit Pin Description Equalizer reference current input 11 GND GND pin Rev.2, Jul. 1998, page 4 of 29 REC-OUT(L) REC-OUT(R) B /II REC-RETURN A/ PB-IN B(L) A + 21 REC-EQ(R) REC-IN(R) + Block Diagram Rev.2, Jul. 1998, page 5 of 29 HA12219NT VCC 22 VCC REC-EQ(L) REC-IN(L) 1 + 2 + 20 3 4 5 6 19 B A Return SW /70 18 PB-IN B(R) 17 - + + 16 7 8 9 10 11 VREF 120/70 PB-IN A(L) PB-OUT(L) 15 PB-IN A(R) PB-OUT(R) 14 13 IREF 120/70 - + B 12 GND A Unit R : C:F HA12219NT Parallel Data Format Pin No. 18 19 Pin Name A 120/70 A/B Lo * B Return SW OFF REC Mute ON REC-EQ * TYPE I Mid -- A Return SW ON REC Mute ON -- Hi * A Return SW ON REC Mute OFF REC-EQ * TYPE II 20 B I/II Note: PB-EQ 120/70 logic A/B B A 120 120/70 Lo Lo Hi Hi B I/II Lo Hi Lo Hi Lo 120 70 120 70 Mid 120 120 70 70 Hi 120 120 70 70 Rev.2, Jul. 1998, page 6 of 29 HA12219NT Functional Description Power Supply Range HA12219NT is designed to operate on single supply, shown by table 1. Table 1 Item Single Supply Supply Voltage Power Supply Range 9.5 V to 15.0 V Reference Voltage As AC reference (Vref) of this IC has not a current drivability, Vref fluctuates by A/B switching of PB-EQ. Provided it causes you anxiety, please supply 7 pin with approximate 1/2 VCC voltage. For example, a suitable circuit is shown by figure 1. This IC has a capacitor charger for the Vref, indicated to the pin interface circuit figure. 1 VCC Lch PB-EQ Reference voltage Lch REC-EQ Reference voltage 470 Rch REC-EQ Reference voltage Rch PB-EQ Reference voltage 11 GND 7 Vref + 470 F Figure 1 Reference Voltage Circuit Rev.2, Jul. 1998, page 7 of 29 HA12219NT Operating Mode Control HA12219NT provides fully electronic switching circuits. And each operating mode control is controlled by parallel data (DC voltage). Table 2 shows the control voltage of each control input pin. Table 2 Pin No. 18, 20 Control Voltage (Vth) Lo 0.0 to 0.5 Mid -- Hi 2.4 to VCC Unit V Test Condition Input Pin Measure V 19 Note: 0.0 to 0.5 1.2 to 1.8 2.4 to VCC V 1. Each pin is pulled down with 100 k internal resistor. 16 to 18 pins are low-level when each pin is open. 2. Over shoot level and under shoot level of input signal must be the standardized. (High: Less than VCC, Low: More than -0.2 V) Block Diagram Figure 2 shows the block diagram. As this IC is built-in REC return switch, the configuration system can be simple system using a few external component and the REC/PB head. About these logics, please look at the Parallel Data Format. REC-OUT(L) 2 4 B head PB-IN B(L) A head PB-IN A(L) Return SW 5 8 7 10 13 B A + - REC-IN REC - EQ 22 PB-OUT 15 Normal Speed PB-A Vref Figure 2 Block Diagram (Lch) Rev.2, Jul. 1998, page 8 of 29 HA12219NT Level Block Diagram The gain establishment of PB-EQ considers PB output level {(external AMP+PB AMP 580 mV (Dolby level) HA12136A 63.6 mV 0.6 mV 40.5 dB PB-EQ 26 dB Dolby IC Figure 3 PB Level Block Diagram (120 s, 1 kHz) Rev.2, Jul. 1998, page 9 of 29 HA12219NT Absolute Maximum Ratings (Ta = 25C) Item Maximum supply voltage Power dissipation Operating temperature Storage temperature Operating voltage Symbol VCC max PT Topr Tstg Vopr Rating 16 500 -40 to +75 -55 to +125 9.5 to 15 Unit V mW C C V Ta 75C Note Note: HA12219NT operates on single supply voltage. Rev.2, Jul. 1998, page 10 of 29 Test Condition IC Condition A/ A 18, 20 19 18, 20 REC-EQ PB-EQ PB-EQ REC-EQ 14 3 14 14 14 14 22 8 8/5 8/5 8/5 8/5 15 2 15 15 15 15 fin Vin /70 (Hz) (mVrms) Other No signal 70 R R L L COM 1 Application Terminal Input Output Item Quiescent current Symbol Logical threshold PB-REC crosstalk PB-EQ gain PB-EQ maximum output *2 A/B A/B A/B I I I I 120 1k *1 120 120 120 1k 1k A B 0.6 *1 Min IQ -0.2 VIL 1.2 VIM VIH 2.4 CT PB/REC(1) 50.0 CT PB/REC(2) 60.0 37.5 GV PB(1) 33.2 GV PB(2) 29.0 GV PB(3) 0.3 Vomax PB A/B A A/B A/B A/B A/B 120 120 120 120 70 120 1k 1k 1k 10k 10k 1k THD=1% 21 9 9/6 9/6 9/6 9/6 9/6 8/5 14 15 Rg=820, DIN-AUDIO 9/6 8/5 14 15 8/5 9/6 14 15 6 9 5 14 15 8 *1 *1 0.6 0.6 0.6 Typ 23.1 60.0 70.0 40.5 36.2 32.0 0.6 Max Unit 32.7 mA 0.5 V 1.8 V VCC V dB dB 43.5 dB 39.2 dB 35.0 dB Vrms B /II A I I I I I II I PB-EQ THD PB-EQ noise voltage PB-EQ channel separation dB THD PB VN PB CT R/L(1) 0.1 0.5 % 90.0 180.0 Vrms dB 50.0 60.0 PB-EQ crosstalk CT A/B 60.0 70.0 Electrical Characteristics (Ta = 25C, VCC = 12 V, Vref = 5.6 V, PBIN standard level = 0.6 mVrms at 1 kHz) Note: 1. Large level without clipping 2. VCC = 9.5 V, Vref = 4.75 V Rev.2, Jul. 1998, page 11 of 29 HA12219NT Test Condition IC Condition Other COM Application Terminal Input Output HA12219NT Item REC-EQ frequency response TYPE I B /II A I I I II II II I I I I I 120 120 1k 1k 77.5 Rg=5.1k, A-WTG 120 1k THD=1% 120 1k *1 21 22 3 21 22 3 21 22 3 21 22 3 2 2 2 2 Rev.2, Jul. 1998, page 12 of 29 Typ 20.0 21.4 32.1 23.8 26.7 36.6 70.0 dB Vrms % dB A A A MID Max 21.5 23.4 35.1 25.3 28.7 39.6 Unit dB dB dB dB dB dB dB A/ A A A A A A A fin /70 (Hz) 1k 120 5k 120 12.5k 120 1k 120 5k 120 12.5k 120 1k 120 R 21 21 21 21 21 21 21 L 22 22 22 22 22 22 22 R 3 3 3 3 3 3 3 L 2 2 2 2 2 2 2 Vin (mVrms) 7.75 7.75 7.75 7.75 7.75 7.75 *1 1.8 REC-EQ frequency response TYPE II REC-EQ channel separation Symbol GV REC-NN1 GV REC-NN2 GV REC-NN3 GV REC-NC1 GV REC-NC2 GV REC-NC3 CT R/L(2) Min 18.5 19.4 29.1 22.3 24.7 33.6 61.0 REC-MUTE attenuation R-MUTE ATT 66.0 76.0 REC-EQ maximum output *2 Vomax REC 1.2 REC-EQ THD REC-EQ S/N THD REC S/N REC 0.2 0.5 61.0 64.0 Electrical Characteristics (Ta = 25C, VCC = 12 V, Vref = 5.6 V, EQIN standard level = 20 dBs = 77.5 mVrms = 0 dB) (cont) Note: 1. Large level without clipping 2. VCC = 9.5 V, Vref = 4.75 V Test Circuit SW3 SW11 C11 2.2 Rch R9 330k R8 180 II SW8 C13 0.47 C12 0.01 R16 R14 18k 12k R11 R10 12k 18k C9 0.01 + SW9 SW10 I A A B 70 120 R17 180 R15 330k + + C10 2.2 Rch Lch R13 10k R12 10k Lch R19 5.1k R18 5.1k 22 B /II A/ /70 120/70 A PB-NF(L) PB-EQ(L) 120/70 - + REC-IN(L) REC-IN(R) PB-OUT(L) - + PB-OUT(R) PB-EQ(R) PB-NF(R) REC-EQ(L) REC-EQ(R) SW2 REC ON OFF PB SW1 PB-IN B(L) PB-IN A(L) PB-IN A(R) AC-VM1 Audio-SG VCC REC-OUT(L) REC-OUT(R) REC-RETURN PB-IN B(R) VREF 1 + C3 2.2 R2 10k SW7 Lch Rch C4 R3 C5 R4 22 820 22 820 R1 10k Rch Lch SW5 Lch Rch + + + + + 2 3 4 5 6 7 8 9 10 R7 22k IREF 11 C1 100 + C2 2.2 GND DC source 3 DC source 2 DC source 1 VCC + C14 0.47 21 20 19 18 17 16 15 14 13 12 PB B A Return SW B A SW12 REC AC-VM2 Distortion Oscilo Noise analyzer scope meter DC source 4 C7 R5 C8 R6 22 820 22 820 + C6 470 Vref SW4 Bin Rev.2, Jul. 1998, page 13 of 29 HA12219NT Ain SW6 Unit R : C:F HA12219NT Characteristic Curves Quiescent Current vs. Supply Voltage 25 Quiescent Current IQ (mA) 20 BI BII A 120 A 70 15 10 8 10 12 Supply Voltage (V) 14 16 PB-EQ Gain vs. Frequency 70 60 PB-EQ Gain (dB) 50 40 120 30 Ain PBOUT Bin VCC = 8V, 12V, 16V 100 1k Frequency (Hz) 10k 70 20 10 100k Rev.2, Jul. 1998, page 14 of 29 HA12219NT PB-EQ Maximum Output Level vs. Supply Voltage (1) 5 Ain, PBOUT, NN 100Hz 1kHz 10kHz 4 Maximum Output Level Vomax (Vrms) 3 2 1 8 10 12 Supply Voltage (V) 14 16 PB-EQ Maximum Output Level vs. Supply Voltage (2) 5 Ain, PBOUT, NC 100Hz 1kHz 10kHz 4 Maximum Output Level Vomax (Vrms) 3 2 1 8 10 12 Supply Voltage (V) 14 16 Rev.2, Jul. 1998, page 15 of 29 HA12219NT PB-EQ Total Harmonic Distortion vs. Output Level (1) Ain PBOUT Bin VCC = 12V, Vref = 5.6V NN 100Hz 1kHz 10kHz Total Harmonic Distortion T.H.D. (%) 1.0 0.1 0.01 -20 -10 0 10 Output Level Vout (dBs) PB-EQ Total Harmonic Distortion vs. Output Level (2) Ain PBOUT Bin VCC = 12V, Vref = 5.6V NC 100Hz 1kHz 10kHz 20 Total Harmonic Distortion T.H.D. (%) 1.0 0.1 0.01 -20 -10 0 10 Output Level Vout (dBs) 20 Rev.2, Jul. 1998, page 16 of 29 HA12219NT PB-EQ Noise Level vs. Supply Voltage (1) 180 170 160 150 140 Noise (Vrms) Ain Vref = 1/2VCC wait DIN/AUDIO Rch 120 Rch 70 Lch 120 Lch 70 130 120 110 100 90 80 70 60 50 8 9 10 11 13 12 Supply Voltage (V) 14 15 16 PB-EQ Noise Level vs. Supply Voltage (2) 180 170 160 150 140 Bin Vref = 1/2VCC wait DIN/AUDIO Rch 120 Rch 70 Lch 120 Lch 70 Noise (Vrms) 130 120 110 100 90 80 70 60 50 8 9 10 11 13 12 Supply Voltage (V) 14 15 16 Rev.2, Jul. 1998, page 17 of 29 HA12219NT REC-EQ Gain vs. Frequency 45 Rin RECOUT Vin = 7.75mVrms VCC = 12V, Vref = 5.6V 39 REC-EQ Gain (dB) 33 NC 27 NN 21 15 100 1k Frequency (Hz) 10k 100k REC-EQ Maximum Output Level vs. Supply Voltage (1) 5 NN 100Hz 1kHz 10kHz 4 Maximum Output Level Vomax (Vrms) 3 2 1 8 10 12 Supply Voltage (V) 14 16 Rev.2, Jul. 1998, page 18 of 29 HA12219NT REC-EQ Maximum Output Level vs. Supply Voltage (2) 5 NC 100Hz 1kHz 10kHz 4 Maximum Output Level Vomax (Vrms) 3 2 1 8 10 12 Supply Voltage (V) 14 16 REC-EQ Total Harmonic Distortion vs. Output Level (1) 100 Rin RECOUT NN VCC = 12V, Vref = 5.6V 100Hz 1kHz 10kHz Total Harmonic Distortion T.H.D. (%) 10 1.0 0.1 -20 -10 0 10 Output Level Vout (dBs) 20 Rev.2, Jul. 1998, page 19 of 29 HA12219NT REC-EQ Total Harmonic Distortion vs. Output Level (2) 100 Rin RECOUT NC VCC = 12V, Vref = 5.6V 100Hz 1kHz 10kHz Total Harmonic Distortion T.H.D. (%) 10 1.0 0.1 -20 -10 0 10 Output Level Vout (dBs) REC-EQ Signal to Noise Ratio vs. Supply Voltage 20 70 RECOUT A-WTG filter NN NC Signal to Noise Ratio S/N (dB) 65 60 55 8 10 12 Supply Voltage (V) 14 16 Rev.2, Jul. 1998, page 20 of 29 HA12219NT PB-EQ Channel Separation vs. Frequency (L R) (1) -30 Ain PBOUT Vin = +12dB VCC = 12V, Vref = 5.6V LR -40 Channel Separation (dB) -50 -60 NC -70 NN -80 10 100 1k Frequency (Hz) 10k 100k PB-EQ Channel Separation vs. Frequency (L R) (2) -30 Bin PBOUT Vin = +12dB VCC = 12V, Vref = 5.6V LR -40 Channel Separation (dB) -50 -60 NN -70 NC -80 10 100 1k Frequency (Hz) 10k 100k Rev.2, Jul. 1998, page 21 of 29 HA12219NT PB-EQ Crosstalk vs. Frequency (Input: Ain Bin) -20 Ain Bin Vin = +12dB VCC = 12V, Vref = 5.6V NN, NC -40 Crosstalk (dB) -60 -80 -100 -120 10 100 1k Frequency (Hz) 10k 100k PB-EQ Crosstalk vs. Frequency (Input: Bin Ain) -20 Bin Ain Vin = +12dB VCC = 12V, Vref = 5.6V NN, NC -40 Crosstalk (dB) -60 -80 -100 -120 10 100 1k Frequency (Hz) 10k 100k Rev.2, Jul. 1998, page 22 of 29 HA12219NT Ripple Rejection Ratio vs. Frequency (REC) 0 RECOUT Vin = 100mVrms VCC = 12V, Vref = 5.6V 1 + 7 + 470 51 VCC 470 470 Vref 11 Ripple Rejection Ratio R.R.R. (dB) -10 NC -20 -30 NN -40 -50 10 100 1k Frequency (Hz) 10k 100k Ripple Rejection Ratio vs. Frequency (PB) 0 PBOUT Vin = 100mVrms VCC = 12V, Vref = 5.6V 1 + 7 + 470 51 VCC 470 470 Vref 11 Ripple Rejection Ratio R.R.R. (dB) -20 NN -40 NC -60 -80 -100 10 100 1k Frequency (Hz) 10k 100k Rev.2, Jul. 1998, page 23 of 29 HA12219NT Mute Attenuation vs. Frequency -40 Rin RECOUT Vin = +12dB VCC = 12V, Vref = 5.6V NN -60 Mute Attenuation (dB) -80 NC -100 -120 -140 10 100 1k Frequency (Hz) 10k 100k REC-EQ Channel Separation vs. Frequency (R L) -20 Rin RECOUT Vin = +12dB VCC = 12V, Vref = 5.6V Rch Lch NC -60 NN -80 -40 Channel Separation (dB) -100 -120 10 100 1k Frequency (Hz) 10k 100k Rev.2, Jul. 1998, page 24 of 29 HA12219NT REC-EQ Channel Separation vs. Frequency (L R) -20 Rin RECOUT Vin = +12dB VCC = 12V, Vref = 5.6V Lch Rch -40 NC Channel Separation (dB) -60 NN -80 -100 -120 10 100 1k Frequency (Hz) 10k 100k Crosstalk vs. Frequency (Mode: REC-EQ PB-EQ) -20 Rin PBOUT Vin = 60mVrms VCC = 12V, Vref = 5.6V -40 NC Crosstalk (dB) -60 NN -80 -100 -120 10 100 1k Frequency (Hz) 10k 100k Rev.2, Jul. 1998, page 25 of 29 HA12219NT Crosstalk vs. Frequency (Mode: PB-EQ REC-EQ) (1) 0 Ain RECOUT Vin = +15dB VCC = 12V, Vref = 5.6V -20 Crosstalk (dB) -40 A70 -60 -80 A120 -100 10 100 1k Frequency (Hz) 10k 100k Crosstalk vs. Frequency (Mode: PB-EQ REC-EQ) (2) -20 Bin RECOUT Vin = +15dB VCC = 12V, Vref = 5.6V -40 Crosstalk (dB) -60 BI -80 BII -100 -120 10 100 1k Frequency (Hz) 10k 100k Rev.2, Jul. 1998, page 26 of 29 HA12219NT Altered Reference Voltage vs. External Resistance 400 VCC 1 R21 Vref 7 Vref (PB-A vs. PB-B) (mV) 300 VCC R22 VCC = 12V (Vref = 1/2 VCC) 200 100 0 100 1k 10k 100k Resistance () (R21, R22 same) RETURN Level vs. Frequency 1M -23 4 Pin 5 or 6 Vout Vref 820 V + 22 Vin -24 RETURN Level (dB) -25 -26 Vin = 1Vrms Vin = 800mVrms -27 Vin = 600mVrms Vin = 400mVrms -28 10 100 1k Frequency (Hz) 10k 100k Rev.2, Jul. 1998, page 27 of 29 HA12219NT Package Dimensions Unit: mm 19.2 20.32 Max 22 12 7.4 Max 6.3 1 0.89 1.17 Max 11 1.0 2.90 Min 5.06 Max 7.62 0.51 Min 0.25 0.05 0 15 + 0.10 1.78 0.25 0.48 0.10 Hitachi Code JEDEC EIAJ Weight (reference value) DP-22NS N Conforms 0.90 g Rev.2, Jul. 1998, page 28 of 29 HA12219NT Disclaimer 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi's or any third party's patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party's rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi's sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi's sales office for any questions regarding this document or Hitachi semiconductor products. Sales Offices Hitachi, Ltd. Semiconductor & Integrated Circuits. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109 URL NorthAmerica : http://semiconductor.hitachi.com/ Europe : http://www.hitachi-eu.com/hel/ecg Asia : http://sicapac.hitachi-asia.com Japan : http://www.hitachi.co.jp/Sicd/indx.htm For further information write to: Hitachi Europe GmbH Electronic Components Group Dornacher Strae 3 D-85622 Feldkirchen, Munich Germany Tel: <49> (89) 9 9180-0 Fax: <49> (89) 9 29 30 00 Hitachi Europe Ltd. Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 585160 Hitachi Asia Ltd. Hitachi Tower 16 Collyer Quay #20-00, Singapore 049318 Tel : <65>-538-6533/538-8577 Fax : <65>-538-6933/538-3877 URL : http://www.hitachi.com.sg Hitachi Asia Ltd. (Taipei Branch Office) 4/F, No. 167, Tun Hwa North Road, Hung-Kuo Building, Taipei (105), Taiwan Tel : <886>-(2)-2718-3666 Fax : <886>-(2)-2718-8180 Telex : 23222 HAS-TP URL : http://www.hitachi.com.tw Hitachi Asia (Hong Kong) Ltd. Group III (Electronic Components) 7/F., North Tower, World Finance Centre, Harbour City, Canton Road Tsim Sha Tsui, Kowloon, Hong Kong Tel : <852>-(2)-735-9218 Fax : <852>-(2)-730-0281 URL : http://www.hitachi.com.hk Hitachi Semiconductor (America) Inc. 179 East Tasman Drive, San Jose,CA 95134 Tel: <1> (408) 433-1990 Fax: <1>(408) 433-0223 Copyright Hitachi, Ltd., 2000. All rights reserved. Printed in Japan. Colophon 2.0 Rev.2, Jul. 1998, page 29 of 29 |
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