Datasheet > CY62148VN

CY62148VN

更新时间： 2024-11-24 09:42:47

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		/
页数	文件大小	规格书
10页	389K
描述
4 Mbit (512K x 8) Static RAM

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CY62148VN 数据手册

CY62148VN MoBL^®

4 Mbit (512K x 8) Static RAM

applications such as cellular telephones. The device also has an

automatic power down feature that significantly reduces power

consumption by 99 percent when addresses are not toggling.

The device can be put into standby mode when deselected (CE

HIGH).

Features

■ Wide Voltage Range: 2.7V to 3.6V

■ Ultra Low Active Power

■ Low Standby Power

Writing to the device is accomplished by taking Chip Enable (CE)

and Write Enable (WE) inputs LOW. Data on the eight I/O pins

(I/O₀through I/O₇) is then written into the location specified on

the address pins (A₀through A₁₈).

■ TTL-compatible Inputs and Outputs

■ Automatic Power Down when deselected

■ CMOS for optimum Speed and Power

Reading from the device is accomplished 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 I/O pins.

■ Package available in a 32-Pin TSOP II and a 32-Pin SOIC

Package

The eight input/output pins (I/O₀through I/O₇) are placed in a

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).

Functional Description

The CY62148VN is a high performance CMOS static RAM

organized as 512K words by eight bits. This device features

advanced circuit design to provide ultra-low active current. This

is ideal for providing More Battery Life (MoBL^) in portable

For best practice recommendations, refer to the Cypress

application note AN1064, SRAM System Guidelines.

Logic Block Diagram

I/O

Data in Drivers

512K x 8

ARRAY

POWER

DOWN

COLUMN

DECODER

I/O

Cypress Semiconductor Corporation

Document Number : 001-55636 Rev. *A

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised April 6, 2010

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