W24257S-70LL Winbond, W24257S-70LL Datasheet

W24257S-70LL

Manufacturer Part Number

W24257S-70LL

Description

Manufacturer

Winbond

Datasheet

1.W24257S-70LL.pdf (10 pages)

Specifications of W24257S-70LL

0032

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

W24257S-70LL

Manufacturer:

WINBOND/华邦

Quantity:

20 000

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Download datasheet (107Kb)

GENERAL DESCRIPTION

The W24257 is a slow speed, low power CMOS static RAM organized as 32768

on a single 5-volt power supply. This device is manufactured using Winbond's high performance

CMOS technology.

FEATURES

PIN CONFIGURATIONS

Low power consumption:

Access time: 70 nS (max.)

Single 5V power supply

Fully static operation

Active: 325 mW (max.)

Standby: 75 W (max.) (LL-version)

# W E

# O E

A13

A14

A12

A11

I/O2

I/O1

I/O3

A14

A12

D D

150 W (max.) (L-version)

28-pin

TSOP

SOP

I/O8

I/O6

I/O5

I/O4

# W E

A13

A11

#OE

A10

#CS

I/O7

#CS

A10

I/O 8

I/O 7

I/O 6

I/O 5

I/O 4

I/O 3

I/O 2

I/O 1

32K

- 1 -

BLOCK DIAGRAM

PIN DESCRIPTION

All inputs and outputs directly TTL compatible

Three-state outputs

Battery back-up operation capability

Data retention voltage: 2V (min.)

Packaged in 28-pin 330 mil SOP,

standard type one TSOP (8 mm x 13.4 mm )

SYMBOL

I/O1 I/O8

A0 A14

#CS

# O E

# W E

A14

#WE

#OE

#CS

D D

8 CMOS STATIC RAM

Publication Release Date: February 2001

D E C O D E R

C O N T R O L

Address Inputs

Data Inputs/Outputs

Chip Select Input

Write Enable Input

Output Enable Input

Power Supply

Ground

DESCRIPTION

DATA I/O

A R R A Y

8 bits that operates

C O R E

W24257

Revision A16

I/O1

I/O8

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