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Am8156

AMD
Part Number Am8156
Manufacturer AMD
Description 2048-Bit Static MOS RAM
Published Mar 21, 2019
Detailed Description Am8155/Am8156 2048-Bit Static MOS RAM With I/O Ports and Timer ADVANCE INFORMATION DISTINCTIVE CHARACTERISTICS • 256 w...
Datasheet PDF File Am8156 PDF File

Am8156
Am8156

Overview
...ord x 8-bits • Single +5V power supply • Completely static operation • Internal address latch • 2 programmable 8-bit I/O ports • 1 programmable 6-bit I/O port • Programmable 14-bit binary counter/timer • Multiplexed address and data bus BLOCK DIAGRAM GENERAL DESCRIPTION The Am8155 and Am8156 are RAM and I/O chips to be used in the Am8085A MPU system.
The RAM portion is designed with 2K bit static cells organized as 256 x 8.
They have a maximum access time of 400ns to permit use with no wait states in Am8085A CPU.
The I/O portion consists of three general purpose I/O ports.
One of the three ports can be programmed to be status pins, thus allowing the other two ports to operate in handshake m...


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