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81C55

OKI electronic componets
Part Number 81C55
Manufacturer OKI electronic componets
Description 2048-Bit CMOS STATIC RAM
Published Mar 22, 2005
Detailed Description E2O0014-27-X2 ¡ Semiconductor MSM81C55-5RS/GS/JS ¡ Semiconductor 2048-Bit CMOS STATIC RAM WITH I/O PORTS AND TIMER Thi...
Datasheet PDF File 81C55 PDF File

81C55
81C55

Overview
E2O0014-27-X2 ¡ Semiconductor MSM81C55-5RS/GS/JS ¡ Semiconductor 2048-Bit CMOS STATIC RAM WITH I/O PORTS AND TIMER This version: Jan.
1998 MSM81C55-5RS/GS/JS Previous version: Aug.
1996 GENERAL DESCRIPTION The MSM81C55-5 has a 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 micro ampere, maximum, while the chip is not selected.
Featureing a maximum access time of 400 ns, the MSM81C55-5 can be used in an MSM80C85AH system without using wait states.
The parallel I/O consists of two 8-bit ports and one 6-bit port (both general purpose).
The MSM81C55-5 also contains a 14-bit programmable counter/time...


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