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| NSC810A |
RAM, I/O unit and Timer |
| Comment: | 128 x 8 bits of RAM.
Three programmable I/O ports (22 bits).
2 programmable 16-bit timers/counters.
NSC810A is a 2.5 MHz part.
NSC800A-1 is a 1 MHz part.
NSC800A-4 is a 4 MHz part. |
| Packages: | 40-pin DIP, 44-pin ceramic CLCC, 44-pin PLCC |
| Manufacturers: | National Semiconductor | | |
| 8155H |
2048-bit (256x8) static RAM with I/O ports and timer |
| Comment: | 2 8-bit I/O ports and 1 6-bit I/O port.
Programmable 14-bit timer/counter.
8155H is compatible with 8085AH microprocessor.
8155H-2 is compatible with 8085AH-2 and 5 MHz version of 8088 microprocessors. |
| Package: | 40-pin DIP |
| Manufacturers: | AMD, Intel, NEC |
| AMD | D8155, D8155H, D8155B, D8155HB, D8155-2, D8155H-2, D8155-2B, D8155H-2B, ID8155, ID8155H, ID8155B, ID8155HB, ID8155-2, ID8155H-2, ID8155-2B, ID8155H-2B, P8155, P8155H, P8155B, P8155HB, P8155-2, P8155H-2, P8155-2B, P8155H-2B, 8155/BQA |
| Intel | D8155H, D8155H-2, P8155H, P8155H-2 |
| NEC | UPD8155C, UPD8155HC, UPD8155C-2, UPD8155HC-2, D8155C, D8155HC, D8155C-2, D8155HC-2 | | |
| 81C55 |
2048-bit (256x8) CMOS static RAM with I/O ports and timer |
| Comment: | 2 8-bit I/O ports and 1 6-bit I/O port.
14-bit timer/counter. |
| Packages: | 40-pin DIP, 44-pin QFP |
| Manufacturers: | OKI |
| OKI | MSM81C55RS, MSM81C55GS | | |
| 8156H |
2048-bit (256x8) static RAM with 2 8-bit I/O ports, 1 6-bit I/O port and 14-bit timer/counter |
| Comment: | 8156H is compatible with 8085AH microprocessor.
8156H-2 is compatible with 8085AH-2 and 5 MHz version of 8088 microprocessors. |
| Package: | 40-pin DIP |
| Manufacturers: | AMD, Intel, NEC |
| AMD | D8156, D8156H, D8156B, D8156HB, D8156-2, D8156H-2, D8156-2B, D8156H-2B, ID8156, ID8156H, ID8156B, ID8156HB, ID8156-2, ID8156H-2, ID8156-2B, ID8156H-2B, P8156, P8156H, P8156B, P8156HB, P8156-2, P8156H-2, P8156-2B, P8156H-2B, 8156/BQA |
| Intel | D8156H, D8156H-2, P8156H, P8156H-2 |
| NEC | UPD8156C, UPD8156HC, UPD8156C-2, UPD8156HC-2, D8156C, D8156HC, D8156C-2, D8156HC-2 | | |
| 8185 |
1024 x 8 bit static RAM |
| Comment: | 8185 is for 8085AH CPU.
8185-2 is compatible with 8085AH-2 CPU. |
| Package: | 18-pin DIP |
| Manufacturers: | DATA |
| DATA | Intel: | | |
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