IC41LV44052-50J datasheet(3/18 Pages) ICSI

Part #	IC41LV44052-50J

Description	4Mx4 bit Dynamic RAM with Fast Page Mode

Download	18 Pages

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Manufacturer	ICSI [Integrated Circuit Solution Inc]

Direct Link	http://www.icsi.com.tw

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3 / 18 page

IC41C4405x and IC41LV4405x Series

Integrated Circuit Solution Inc.

3

DR013-0B 10/17/2002

FUNCTIONAL BLOCK DIAGRAM

OE

WE

CAS

WE

DATA I/O BUS

COLUMN DECODERS

SENSE AMPLIFIERS

MEMORY ARRAY

4,194,304 x 4

CAS

CONTROL

LOGIC

WE

CONTROL

LOGICS

OE

CONTROL

LOGIC

I/O0-I/O3

RAS

A0-A10(A11)

RAS

CLOCK

GENERATOR

REFRESH

COUNTER

ADDRESS

BUFFERS

TRUTH TABLE

Function

RAS

CAS

WE

OE

Address tR/tC I/O

Standby

H

X

High-Z

Read

L

H

L

ROW/COL

DOUT

Write: Word (Early Write)

L

X

ROW/COL

DIN

Read-Write

L

H

→LL→H

ROW/COL

DOUT, DIN

Hidden Refresh

Read

L

→H→L

L

H

L

ROW/COL

DOUT

Write(1)

L

→H→L

L

X

ROW/COL

DOUT

RAS-Only Refresh

L

H

X

ROW/NA

High-Z

CBR Refresh

H

→L

L

X

High-Z

Note:

1.

EARLY WRITE only.

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IC41LV44052-50J Datasheet(PDF) 3 Page - Integrated Circuit Solution Inc

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