| IC Location On VCII Board |
Part #/ Cross Reference # |
Purpose Or Description |
| U1 |
TL701 Operational Amplifier (Texas Instruments) |
Audio Buffer / Preamp |
| U2 |
SOCN 24765-1 LSI DAC (American Monolythics) |
Digital To Analog Converter |
| U3 |
SOCN 24765-1 LSI DAC (American Monolythics) |
Digital To Analog Converter |
| U4 |
SOCN 24298-1 LSI DEVICE (American Monolythics) |
Audio Decoder |
| U5 |
SOCN 24297-3 LSI DEVICE (National Cash Register) |
Audio Decoder |
| U6 |
MB 88303 NMOS Video Graphics Controller (Fujitsu) |
Charactor Generator For Graphics |
| U7 |
TMS 70C40 CMOS Microprocessor (Texas Instruments) |
|
| U8 |
CD 4053 CMOS Analog Multiplexer / Demultiplexer |
|
| U9 |
74LS125AN [TTL] Tri-state Quad Buffer |
Processes Incoming Data Stream And Sends It To The Appropriate Areas of The Descrambler |
| U10 |
7406 [TTL] Hex Inverter |
|
| U11 |
74LS374 [TTL] Tri-state Octal Flip-Flop |
|
| U12 |
74LS244 [TTL] Tri-state Octal Line Driver |
|
| U13 |
SD 5000 N Quad DMOS Analog Switch Array (Siliconix) |
Joins / Combines Graphics & Video |
| U14 |
TL 072 Dual Operational Amplifier (Texas Instruments) |
|
| U15 |
74LS139 [TTL] Expandable 2/4 Decoder |
|
| U16 |
74LS373 [TTL] Tri-state Octal Flip-Flop |
|
| U17 |
TLO 72 Dual Operational Amplifier (Texas Instruments) |
|
| U18 |
LM 336Z Voltage Reference (Semiconductor) |
|
| U19 |
TMS 7001 Microprocessor (Texas Instruments) |
|
| U20 |
5516 AP Low Power 2K-Byte CMOS Static RAM |
|
| U21 |
CA 3080 Operational Transconductance Amplifier (RCA) |
|
| U22 |
CA 3080 Operational Transconductance Amplifier (RCA) |
|
| U23 |
NE 521 Dual High Speed Comparator (Signetics) |
|
| U24 |
SOCN 24296-3 LSI Device (National Cash Register) |
|
| U25 |
Not Used |
Not Used |
| U26 |
3-2540-5 High Performance Operational Amplifier (Harris) |
Video Current Amplifier |
| U27 |
NE 521 Dual High Speed Comparator (Signetics) |
|
| U28 |
74AS174 [TTL] HED "D" Type Flip-Flop |
|
| U29 |
CA 3046 RCA Transistor Array (RCA) |
|
| U30 |
27127 K 16K-Byte EPROM |
|
| U31 |
74F86 [TTL] Quad Exclusive Of Gate |
|
| U32 |
TL 071 Operational Amplifier |
|
| U33 |
4066 CMOS Quad Bilateral Switch |
|
| U34 |
74AS74 [TTL] Dual "D" Type Flip-Flop |
|
