D4564163 UPD4564163

NEC

Description

DATA SHEET MOS INTEGRATED CIRCUIT µPD4564441, 4564841, 4564163 64M-bit Synchronous DRAM 4-bank, LVTTL .
The µPD4564441, 4564841, 4564163 are high-speed 67,108,864-bit synchronous dynamic random-access memories, organized as 4,194,304 × 4 × 4, 2,097,152 ×.

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Datasheet Specifications

Part number: D4564163
Manufacturer: NEC
File Size: 657.15 KB
Datasheet: D4564163_NEC.pdf
Description: UPD4564163

Features

* Fully Synchronous Dynamic RAM, with all signals referenced to a positive clock edge
* Pulsed interface
* Possible to assert random column address in every cycle
* Quad internal banks controlled by A12 and A13 (Bank Select)
* Byte control (×16) by LDQM and UD

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D4564163 UPD4564163 NEC

NEC D4564163-like datasheet