T221160A datasheet, PDF - EEWORLD Datasheet

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T221160A: Description64k x 16 dynamic ram fast page mode; File Size130KB，14 Pages; ManufacturerTM Technology, Inc.; Websitehttp://www.tmtech.com.tw/

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T221160A Overview

64k x 16 dynamic ram fast page mode

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T221160A

DRAM

FEATURES

64K x 16 DYNAMIC RAM

FAST PAGE MODE

PIN ASSIGNMENT ( Top View )

V cc

I/01

I/02

I/03

I/04

V cc

I/05

I/06

I/07

I/08

V ss

I/016

I/015

I/014

I/013

V ss

I/012

I/011

I/010

I/09

CASL

CASH

VSS

•

High speed access time : 25/30/35/40 ns

•

Industry-standard x 16 pinouts and timing

functions.

•

Single 5V (±10%) power supply.

•

All device pins are TTL- compatible.

•

256-cycle refresh in 4ms.

•

Refresh modes: RAS only, CAS BEFORE

RAS (CBR) and HIDDEN.

•

Conventional FAST PAGE MODE access cycle.

•

BYTE WRITE and BYTE READ access cycles.

SO J

PART NUMBER EXAMPLES

PART NUMBER

R AS

ACCESS TIME

30ns

35ns

PACKAGE

SOJ

TSOP-II

SOJ

TSOP-II

T221160A-30J

T221160A-30S

T221160A-35J

T221160A-35S

V cc

I/01

T S O P (II)

V ss

I/01 6

I/01 5

I/01 4

I/01 3

V ss

I/01 2

I/01 1

I/01 0

I/09

GENERAL DESCRIPTION

The T221160A is a randomly accessed solid state

memory containing 1,048,551 bits organized in a

x16 configuration. The T221160A has both BYTE

WRITE and WORD WRITE access cycles via two

CAS pins. It offers Fast Page mode operation

The T221160A CAS function and timing are

I/02

I/03

I/04

V cc

I/05

I/06

I/07

I/08

CA SL

CA SH

V SS

determined by the first CAS to transition low and

by the last to transition back high. Use only one of

the two CAS and leave the other staying high

during WRITE will result in a BYTE WRITE.

CASL transiting low in a WRITE cycle will write

data into the lower byte (IO1~IO8), and CASH

transiting low will write data into the upper byte

(IO9~16).

Taiwan Memory Technology, Inc. reserves the right

P. 1

to change products or specifications without notice.

RAS

V cc

Publication Date: FEB. 2002

Revision:A

T221160A Related Products

	T221160A	T221160A-30J	T221160A-30S	T221160A-35S	T221160A-35J
Description	64k x 16 dynamic ram fast page mode	64k x 16 dynamic ram fast page mode	64k x 16 dynamic ram fast page mode	64k x 16 dynamic ram fast page mode	64k x 16 dynamic ram fast page mode

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