HY57V641620ELT View Datasheet(PDF) - Hynix Semiconductor

Part Name

Description

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HY57V641620ELT

4Bank x 1M x 16bits Synchronous DRAM

Hynix Semiconductor 

Synchronous DRAM Memory 64Mbit (4Mx16bit)

HY57V641620E(L/S)T(P) Series

FUNCTIONAL BLOCK DIAGRAM

1Mbit x 4banks x 16 I/O Synchronous DRAM

CLK

CKE

CS

RAS

CAS

WE

U/LDQM

Self refresh

logic & timer

Internal Row

Counter

Row Active

Row

Pre

Decoder

Refresh

Column Active

Column

Pre

Decoder

1Mx16 BANK 3

1Mx16 BANK 2

1Mx16 BANK 1

1Mx16 BANK 0

Memory

Cell

Array

Y-Decoder

DQ0

DQ15

Bank Select

Column Add

Counter

A0

Address

A1

Register

Burst

Counter

Pipe Line

A11

Mode Register

CAS Latency

Data Out Control

Control

BA1

BA0

Rev. 1.5 / Feb. 2005

5

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