HY57V641620HG-I Ver la hoja de datos (PDF) - Hynix Semiconductor

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HY57V641620HG-I

4 Banks x 1M x 16Bit Synchronous DRAM

Hynix Semiconductor 

FUNCTIONAL BLOCK DIAGRAM

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

HY57V641620HG

Self refresh logic

& timer

Internal Row

counter

CLK

CKE

CS

RAS

CAS

WE

UDQM

LDQM

Row active

Row

Pre

Decoders

refresh

Column

Active

Column

Pre

Decoders

1Mx16 Bank 3

1Mx16 Bank 2

1Mx16 Bank 1

1Mx16 Bank 0

Memory

Cell

Array

Y decoders

DQ0

DQ1

DQ14

DQ15

Bank Select

Column Add

Counter

A0

Address

A1

Registers

Burst

Counter

A11

BA0

BA1

Mode Registers

CAS Latency

Data Out Control Pipe Line Control

Rev. 1.0/Jan. 02

3

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