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82C55 |
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| Part Number | 82C55 |
| Manufacturer | Intel Corporation |
| Description | Symbol PA3–0 RD CS Pin Number Dip PLCC 1– 4 5 6 2–5 6 7 Type I O I I Name and Function PORT A PINS 0 – 3 Lower nibble of an 8-bit data output latch buffer and an 8-bit data input latch READ CONTROL Th... |
| Features |
or ‘‘personality’’ to further enhance the power and flexibility of the 82C55A Port A One 8-bit data output latch buffer and one 8-bit input latch buffer Both ‘‘pull-up’’ and ‘‘pulldown’’ bus hold devices are present on Port A Port B One 8-bit data input output latch buffer Only ‘‘pull-up’’ bus hold devices are present on Port B Port C One 8-bit data output latch buffer and one 8-bit data input buffer (no latch for input) This port can be divided into two 4-bit ports under the mode control Each 4-bit port contains a 4-bit latch and it can be used for the control signal outputs and status signal... |
| Document |
 82C55 Data Sheet
PDF 325.10KB |
| Distributor | Stock | Price | Buy |
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