Part number:
UM82C55A
Manufacturer:
UMC
File Size:
718.23 KB
Description:
Cmos progrmmable peripheral interface.
UM82C55A Datasheet (718.23 KB)
* Pin compatible with NMOS 8255A
* 24 programmable I/O pins
* Fully TTL compatible
* Bus-hold circuitry on all I/O ports eliminates pull-up resistors
* High speed, no "wait state" operation with 8M Hz 80C86
* Direct bit set/reset capabi lity
UM82C55A Datasheet (718.23 KB)
UM82C55A
UMC
718.23 KB
Cmos progrmmable peripheral interface.
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