CY7C1049DV3310VXI Cypress Semiconductor Corporation., CY7C1049DV3310VXI Datasheet

CY7C1049DV3310VXI

Manufacturer Part Number

CY7C1049DV3310VXI

Description

SOJ36

Manufacturer

Cypress Semiconductor Corporation.

Datasheet

1.CY7C1049DV3310VXI.pdf (10 pages)

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Features

■

Logic Block Diagram

Cypress Semiconductor Corporation

Document Number: 38-05475 Rev. *D

Pin and function compatible with CY7C1049CV33

High speed

❐

Low active power

❐

Low CMOS standby power

❐

2.0V data retention

Automatic power down when deselected

TTL compatible inputs and outputs

Easy memory expansion with CE and OE features

Available in Pb-free 36-pin (400 Mil) Molded SOJ and 44-pin

TSOP II packages

SB2

= 10 ns

= 90 mA @ 10 ns (Industrial)

= 10 mA

A 0

A 1

A 2

A 3

A 4

A 5

A 6

A 7

A 8

A 9

A 10

•

198 Champion Court

COLUMN DECODER

INPUT BUFFER

512K x 8

ARRAY

POWER

DOWN

Functional Description

The CY7C1049DV33 is a high performance CMOS Static RAM

organized as 512K words by 8-bits. Easy memory expansion is

provided by an Active LOW Chip Enable (CE), an Active LOW

Output Enable (OE), and tri-state drivers. You can write to the

device by taking Chip Enable (CE) and Write Enable (WE) inputs

LOW. Data on the eight IO pins (IO

into the location specified on the address pins (A

You can read from the device by taking Chip Enable (CE) and

Output Enable (OE) LOW while forcing Write Enable (WE) HIGH.

Under these conditions, the contents of the memory location

specified by the address pins appear on the IO pins.

The eight input or output pins (IO

high impedance state when the device is deselected (CE HIGH),

the outputs are disabled (OE HIGH), or during a write operation

(CE LOW, and WE LOW).

The CY7C1049DV33 is available in standard 400 Mil wide 36

-pin SOJ package and 44-pin TSOP II package with center

power and ground (revolutionary) pinout.

Refer to the Cypress application note

Guidelines

4-Mbit (512K x 8) Static RAM

•

for best practice recommendations.

San Jose

CA 95134-1709

IO 0

IO 1

IO 2

IO 3

IO 4

IO 5

IO 6

IO 7

through IO

CY7C1049DV33

through IO

AN1064, SRAM System

Revised July 23, 2007

•

) are placed in a

) is then written

408-943-2600

through A

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