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MB1422A

Fujitsu
Part Number MB1422A
Manufacturer Fujitsu
Description DRAM Controller LSI
Published Dec 24, 2018
Detailed Description MB 1422A June 1986 Edition 1.0 DYNAMIC RAM CONTROLLER The Fujitsu MB 1422A is a high performance DRAM controller LSI. T...
Datasheet PDF File MB1422A PDF File

MB1422A
MB1422A

Overview
MB 1422A June 1986 Edition 1.
0 DYNAMIC RAM CONTROLLER The Fujitsu MB 1422A is a high performance DRAM controller LSI.
The MB 1422A controls address multiplexing, refresh timing and their arbitration, and realizes one chip DRAM peripheral controller.
The MB 1422A is designed to easily interface 64K and 256K DRAM to the system based on the 8086 or 68000.
The MB 1422A is fabricated in an advanced low-power Schottky TTL process.
The device is housed in a plastic 42-pin Dual In-line-Package, 42 pin shrink DIP, and 44-pin PLCC.
• 256k and 64k Dynamic-RAM control capability • Directly addresses and drives up to 44 DRAMs without external drivers • Internal/external refresh capability • Supports 80...


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