Integrated Circuits

The CyberVision 2001 includes 91 integrated circuits, including three 7805 voltage regulators. A sortable listing of all microchips, with attached datasheets, is below.

Notable components include:

  • U1: RCA 1802 CPU
  • U2-U5: CDP1852D (Byte-Wide Input/Output Ports)
  • U6-U21: P2101 (256×4 SRAM) for 2K of Data RAM
  • U22: CDP1834 (2708-compatible Static ROM) for 1K System ROM
  • U23: CD4098B (Dual Monostable Multivibrator) for Cassette Input
  • U24: CD4034 (8-Stage Tri-State Bidirectional I/O Bus Register) for Cassette/ROM interfacing.
  • U41-U56: P2101 (256×4 SRAM) for 2K of Video RAM
  • U58: CD4532B (8-Bit Priority Encoder) for 40-button Keypad Encoding
  • U80: SN76430N (Sync and Color Generator) TI-based video chip.
UComponentDescriptionPinsOG PartDatasheetNotes
1RCA 1802CPU40CDP1802Download
2CDP1852Byte-Wide Input/Output Port24CDP1852DDownload
3CDP1852Byte-Wide Input/Output Port24CDP1852DDownload
4CDP1852Byte-Wide Input/Output Port24CDP1852DDownload
5CDP1852Byte-Wide Input/Output Port24CDP1852DDownload
6P2101256 X 4 STANDARD SRAM22P2101-1Download
7P2101256 X 4 STANDARD SRAM22P2101-1Download
8P2101256 X 4 STANDARD SRAM22P2101-1Download
9P2101256 X 4 STANDARD SRAM22P2101-1Download
10P2101256 X 4 STANDARD SRAM22P2101-1Download
11P2101256 X 4 STANDARD SRAM22P2101-1Download
12P2101256 X 4 STANDARD SRAM22P2101-1Download
13P2101256 X 4 STANDARD SRAM22P2101-1Download
14P2101256 X 4 STANDARD SRAM22P2101-1Download
15P2101256 X 4 STANDARD SRAM22P2101-1Download
16P2101256 X 4 STANDARD SRAM22P2101-1Download
17P2101256 X 4 STANDARD SRAM22P2101-1Download
18P2101256 X 4 STANDARD SRAM22P2101-1Download
19P2101256 X 4 STANDARD SRAM22P2101-1Download
20P2101256 X 4 STANDARD SRAM22P2101-1Download
21P2101256 X 4 STANDARD SRAM22P2101-1Download
22CDP18341028-Word X 8-Bit Static ROM24CDP1834CEDownloadOperating System ROM
23CD4098BCMOS Dual Monostable Multivibrator16CD4098BEDownload
24CD4034B8-Stage TRI-STATE Bidirectional Parallel/Serial Input/Output Bus Register24CD4034BEDownloadCompanion to OS ROM
25CD4013BCMOS Dual D-Type Flip-Flop14CD4013BEDownload
26CD4098BCMOS Dual Monostable Multivibrator16CD4098BEDownload
27CA313015MHz BiMOS Operational AMplifier with MOSFET Input-CMOS Output8CA3130EDownload
28CD4013BCMOS NAND Gate14CD4013BEDownload
29MC14018BPresettable Divide-By-N Counter16MC14018BDownload
30CD4024BCMOS Ripple-Carry Binary Counter/Dividers14CD4024BEDownload
31CD4013BCMOS NAND Gate14CD4013BEDownload
32CD4013BCMOS NAND Gate14CD4013BEDownload
33CD4021ACMOS 8-Stage Static Shift Register16CD4021AEDownload
34CD4001CMOS Quad 2-Input NOR Gate14CD4001UBEDownload
35CD4011BCMOS NAND Gate14CD4011BEDownload
36CD4069UBCMOS Hex Inverter14CD4069UBEDownload
37CD4011BCMOS NAND Gate14CD4011BEDownload
38CD4069UBCMOS Hex Inverter14CD4069UBEDownload
397805 (LM340)Fixed Voltage Regulator3LM340-5Download
40CD4555BCMOS Dual Binary to 1 of 4 Decoder/Demultiplexers16CD4555BEDownload
41P2101256 X 4 STANDARD SRAM22P2101-1Download
42P2101256 X 4 STANDARD SRAM22P2101-1Download
43P2101256 X 4 STANDARD SRAM22P2101-1Download
44P2101256 X 4 STANDARD SRAM22P2101-1Download
45P2101256 X 4 STANDARD SRAM22P2101-1Download
46P2101256 X 4 STANDARD SRAM22P2101-1Download
47P2101256 X 4 STANDARD SRAM22P2101-1Download
48P2101256 X 4 STANDARD SRAM22P2101-1Download
49P2101256 X 4 STANDARD SRAM22P2101-1Download
50P2101256 X 4 STANDARD SRAM22P2101-1Download
51P2101256 X 4 STANDARD SRAM22P2101-1Download
52P2101256 X 4 STANDARD SRAM22P2101-1Download
53P2101256 X 4 STANDARD SRAM22P2101-1Download
54P2101256 X 4 STANDARD SRAM22P2101-1Download
55P2101256 X 4 STANDARD SRAM22P2101-1Download
56P2101256 X 4 STANDARD SRAM22P2101-1Download
57CD4066BCMOS Quad Bilateral Switch14CD4066BEDownload
58CD4532BCMOS 8-Bit Priority Encoder14CD4532BEDownloadController Keypad Encoder
59CD4081BCMOS AND Gate14CD4081BEDownload
60CD4555BCMOS Dual Binary to 1 of 4 Decoder/Demultiplexers16CD4555BEDownload
61CD4019BCMOS Quad AND/OR Select Gate16CD4019BEDownload
62CD4019BCMOS Quad AND/OR Select Gate16CD4019BEDownload
63CD4019BCMOS Quad AND/OR Select Gate16CD4019BEDownload
644404BCMOS 8-Stage Binary Counter14SCL4404BEDownload
65CD4024BCMOS Ripple-Carry Binary Counter/Dividers14CD4024BEDownload
66CD4024BCMOS Ripple-Carry Binary Counter/Dividers14CD4024BEDownload
67CD4024BCMOS Ripple-Carry Binary Counter/Dividers14CD4024BEDownload
68CD4001CMOS Quad 2-Input NOR Gate14CD4001UBEDownload
69CD4076BCMOS 4-Bit D-Type Registers16CD4076BEDownload
70CD4076BCMOS 4-Bit D-Type Registers16CD4076BEDownload
71CD4019BCMOS Quad AND/OR Select Gate16CD4019BEDownload
72CD4555BCMOS Dual Binary to 1 of 4 Decoder/Demultiplexers16CD4555BEDownload
73CD4066BCMOS Quad Bilateral Switch14CD4066BEDownload
74CD4013BCMOS NAND Gate14CD4013BEDownload
75CD4013BCMOS NAND Gate14CD4013BEDownload
76CD4066BCMOS Quad Bilateral Switch14CD4066BEDownload
77CD4066BCMOS Quad Bilateral Switch14CD4066BEDownload
78CD409UBCMOS Hex Inverting Buffer and Converter16CD4049UBEDownload
79CD4069UBCMOS Hex Inverter14CD4069UBEDownload
80SN76430NSync Generator / Color Generator / Video Summing20SN76430NDownloadVideo Generator
81CD4024BCMOS Ripple-Carry Binary Counter/Dividers14CD4024BEDownload
82MC14018BPresettable Divide-By-N Counter16MC14018BDownload
83CD4007UBCMOS Dual Complementary Pair Plus Inverter14CD4007UBEDownload
84CD4046BCMOS Micropower Phase-Locked Loop16CD4046BEDownload
85CD4069UBCMOS Hex Inverter14CD4069UBEDownload
86CD4001UBCMOS Quad 2-Input NOR Gate14CD4001UBEDownload
87CD4001CCMOS Quad 2-Input NOR Gate14CD4001CNDownload
88CD4532BCMOS 8-Bit Priority Encoder16CD4532BEDownload
89CD4069UBCMOS Hex Inverter14CD4069UBEDownload
907805 (LM340)Fixed Voltage Regulator3NEC 14305DownloadRiveted from underneath PCB to metal base.
917805 (LM340)Fixed Voltage Regulator3NEC 7805HDownloadRiveted from underneath PCB to metal base.

Last Updated on March 23, 2023.

Leave a Reply

Your email address will not be published. Required fields are marked *

Scroll to Top