Semiconductor Datasheets

A selection of datasheets and manuals  for the main semiconductors used in the Acorn System Computers.

Processors

• MOS6502 (MOS)
• R6502 Microprocessor (Rockwell)
• SY6502A (Synertek)
• MOS Microcomputers Hardware Manual
• MC6809 CPU (Motorola)

• INS8060 SC/MP CPU (national Semiconductor)

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Interface

• 6522 Versatile Interface Adapter (MOS)

• R6522 Versatile Interface Adapter (Rockwell)

• 6522 Versatile Interface Adapter (Synertek)

• INS8154 RAM/IO (National Semiconductor)

• D8271 Programmable Floppy Disk Controller (Intel)

• SAA5050 Teletext Character Generator (Mullard)

• MC6845 CRT Controller (Motorola)

• 8255A Programmable Peripheral Interface (Intel)

• MC6850 UART (Motorola)

• MC6854 ADLC (Motorola)

• AY-3-4592 Keyboard Encoder (General Instrument)

Memory

• 2716 EPROM (Intel)

• TMS2732A EPROM (Texas Instruments)

• TMS2532 EPROM (Texas Instruments)

• 2114L SRAM (Intersil)

• 4816 DRAM (Hitachi)

• 74S571 PROM (National Semiconductor)

• 6116 SRAM (Hitachi)

• MM2111 RAM (National Semiconductor)

(more memory data sheets can be found here on the PROMs and EPROMs page)

Miscellaneous

• 80L95 Hex Tri-state Buffer (National Semiconductor)

• ADC1210 ADC (National Semiconductor)

• DAC1222 DAC (National Semiconductor)

• LH0071 Reference (National Semiconductor)

• NSA1198 LED Display (National Semiconductor)

Here's a single page with the pinouts of many of the main ICs used in the System computers

• Useful Component Pinouts

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