The 81C55 has 2k-bit static RAM (256 bytes) with parallel I/O ports and a timer. It uses silicon gate CMOS technology and consumes a standby current of 100 microamperes, maximum, while the chip is not … Read more
81C55
The 81C55 has 2k-bit static RAM (256 bytes) with parallel I/O ports and a timer. It uses silicon gate CMOS technology and consumes a standby current of 100 microamperes, maximum, while the chip is not … Read more