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T15M256B

32K X 8 LOW POWER CMOS STATIC RAM

Taiwan Memory Technology 

tm TE

CH

T15M256B

SRAM

32K X 8 LOW POWER

CMOS STATIC RAM

FEATURES

• High speed access time: 45/50/70/85/100ns

• Low power supply current :

- Operating :37mA(max)

- Standby : 10uA

• Power supply : 5V (± 10%)

• Fully static operation – No clock or refreshing

required

• All inputs and outputs directly LVTTL

compatible

• Common I/O capability

• Data retention voltage : 1.5V (min)

• Available packages :

28-pin DIP(600mil),SOJ, SOP/lead-free, TSOP-I

(8x13.4mm forward type and reverse type).

• Operating temperature :

- 0 ~ +70 °C

- -40 ~ +85 °C

PART NUMBER EXAMPLES

PART NO.

PACKAGE

CODE

Operating

Temperature

T15M256B-70N N=DIP

T15M256B-70J

J=SOJ

T15M256B-70D

T15M256B-85P

D=SOP

P= TSOP-I(Forward)

0 ~ +70 °C

T15M256B-85R R= TSOP-I(Reverse)

T15M256B-70DG D=SOP/lead-free

T15M256B-70NI N=DIP

T15M256B-70JI J=SOJ

T15M256B-70DI D=SOP

-40 ~ +85 °C

T15M256B-85PI P= TSOP-I(Forward)

T15M256B-85RI R= TSOP-I(Reverse)

GENERAL DESCRIPTION

The T15M256B is a low power CMOS static

RAM. organized as 32,768 x 8 bits that operates

on a single 5-volt power supply. Low operating

and standby current . Data retention is guaranteed

at a power supply voltage as low as 1.5V. This

device is packaged in a standard 28-pin

DIP(600mil), SOJ, SOP, TSOP-I forward and

reverse type.

BLOCK DIAGRAM

Vcc →

Vss →

A0 →

.

.

DECODER

.

A14 →

CS →

OE → CONTROL

WE →

CORE

ARRAY

← I / O1

.

DATA I/O

.

← I / O8

TM Technology Inc. reserves the right

P. 1

to change products or specifications without notice.

Publication Date: OCT. 2003

Revision:C

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