A42U2604V-50 View Datasheet(PDF) - AMIC Technology

Part Name

Description

Manufacturer

A42U2604V-50

4M X 4 CMOS DYNAMIC RAM WITH EDO PAGE MODE

AMIC Technology 

Truth Table

Function

Standby

Read: Word

Read

Write: Word (Early)

Write (Early)

Read-Write

EDO-Page-Mode Read: Hi-Z

-First cycle

-Subsequent Cycles

EDO-Page-Mode Write(Early)

-First cycle

-Subsequent Cycles

EDO-Page-Mode Read-Write

-First cycle

-Subsequent Cycles

Hidden Refresh Read

Hidden Refresh Write

RAS -Only Refresh

CBR Refresh

Self Refresh

RAS

H

L

L

L

L

L

CAS

H

L

L

L

L

L

L

H→L

L

H→L

L

H→L

L

H→L

L

L

L→H→L

L→H→L

L

H→L

H→L

H→L

H→L

L

L

H

L

L

WE

X

H

H

L

L

H→L

H

H

L

L

H→L

H→L

H

L

X

X

H

OE

X

L

L

X

X

L→H

H→L

H→L

X

X

L→H

L→H

L

X

X

X

X

A42U2604 Series

Address

X

Row/Col.

Row/Col.

Row/Col.

Row/Col.

Row/Col.

Row/Col.

Col.

Row/Col.

Col.

Row/Col.

Col.

Row/Col.

Row/Col.

Row

X

X

I/Os

High-Z

Data Out

Data Out

Data In

Data In

Data Out → Data In

Data Out

Data Out

Data In

Data In

Data Out → Data In

Data Out → Data In

Data Out

Data In → High-Z

High-Z

High-Z

High-Z

PRELIMINARY (June, 2002, Version 0.3)

4

AMIC Technology, Inc.

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