CY7C128A20VXC Cypress Semiconductor Corporation., CY7C128A20VXC Datasheet

CY7C128A20VXC

Manufacturer Part Number

CY7C128A20VXC

Description

SOJ

Manufacturer

Cypress Semiconductor Corporation.

Datasheet

1.CY7C128A20VXC.pdf (9 pages)

Specifications of CY7C128A20VXC

Date_code

08+

Current page: 1 of 9
Download datasheet (272Kb)

Cypress Semiconductor Corporation

Document #: 38-05028 Rev. *A

Features

• Automatic power-down when deselected

• CMOS for optimum speed/power

• High speed

• Low active power

• Low standby power

• TTL-compatible inputs and outputs

• Capable of withstanding greater than 2001V electro-

• Available in Pb-free and non Pb-free 24-pin Molded

— 15 ns

— 660 mW (commercial)

— 110 mW (20 ns)

static discharge

SOJ, non Pb-free 24-pin (300-Mil) Molded DIP

Logic Block Diagram

INPUT BUFFER

128 x 16 x 8

DECODER

ARRAY

COLUMN

POWER

DOWN

•

198 Champion Court

Functional Description

The CY7C128A is a high-performance CMOS static RAM

organized as 2048 words by 8 bits. Easy memory expansion

is provided by an active LOW Chip Enable (CE), and active

LOW Output Enable (OE) and tri-state drivers. The CY7C128A

has an automatic power-down feature, reducing the power

consumption by 83% when deselected.

Writing to the device is accomplished when the Chip Enable

(CE) and Write Enable (WE) inputs are both LOW.

Data on the eight I/O pins (I/O

memory location specified on the address pins (A

Reading the device is accomplished by taking Chip Enable

(CE) and Output Enable (OE) LOW while Write Enable (WE)

remains HIGH. Under these conditions, the contents of the

memory location specified on the address pins will appear on

the eight I/O pins.

The I/O pins remain in high-impedance state when Chip

Enable (CE) or Output Enable (OE) is HIGH or Write Enable

(WE) is LOW.

The CY7C128A utilizes a die coat to insure alpha immunity.

C128A–1

I/O

•

San Jose

Pin Configurations

GND

I/O

CA 95134-1709

2K x 8 Static RAM

DIP/SOJ

Top View

7C128A

through I/O

Revised August 3, 2006

I/O

•

) is written into the

CY7C128A

408-943-2600

C128A–2

through

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