Datasheet > PDM41257SA15SOATY

PDM41257SA15SOATY

更新时间： 2024-11-09 05:25:27

品牌	Logo	应用领域
IXYS		静态存储器光电二极管
页数	文件大小	规格书
7页	257K
描述
Standard SRAM, 256KX1, 15ns, CMOS, PDSO24, 0.300 INCH, PLASTIC, SOJ-24

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PDM41257

256K Static RAM

256K x 1-Bit

Description

Features

The PDM41257 is a high-performance CMOS static

RAM organized as 262,144 x 1 bit. Writing to this

device is accomplished when the write enable (WE)

and the chip enable (CE) inputs are both LOW.

Reading is accomplished when WE remains HIGH

and CE goes LOW.

■ High-speed access times

Com’l: 7, 8, 10, 12 and 15 ns

Industrial: 8, 10, 12 and 15 ns

■ Low power operation (typical)

- PDM41257SA

Active: 400 mW

Standby: 150 mW

- PDM41257LA

Active: 350 mW

Standby: 25 mW

The PDM41257 operates from a single +5V power

supply and all the inputs and outputs are fully TTL-

compatible. The PDM41257 comes in two versions,

the standard power version PDM41257SA and a low

power version the PDM41257LA. The two versions

are functionally the same and only differ in their

power consumption.

■ Single +5V (±10%) power supply

■ TTL compatible inputs and outputs

■ Packages

The PDM41257 is available in a 24-pin 300-mil

plastic SOJ for surface mount applications.

Plastic SOJ (300 mil) - SO

Functional Block Diagram

•

Memory

Matrix

•

Addresses

Decoder

A17

• • • • •

Column I/O

DIN

DOUT

Rev. 2.2 - 4/27/98

12 3 4 5 6 7

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与PDM41257SA15SOATY相关器件

型号	品牌	获取价格	描述	数据表
PDM41257SA15SOI	IXYS	获取价格	Standard SRAM, 256KX1, 15ns, CMOS, PDSO24, 0.300 INCH, PLASTIC, SOJ-24
PDM41257SA15SOITR	IXYS	获取价格	Standard SRAM, 256KX1, 15ns, CMOS, PDSO24, 0.300 INCH, PLASTIC, SOJ-24
PDM41257SA15SOITY	ETC	获取价格	x1 SRAM
PDM41257SA15SOTR	IXYS	获取价格	Standard SRAM, 256KX1, 15ns, CMOS, PDSO24, 0.300 INCH, PLASTIC, SOJ-24
PDM41257SA15SOTY	ETC	获取价格	x1 SRAM
PDM41257SA20DI	ETC	获取价格	x1 SRAM
PDM41257SA20SO	ETC	获取价格	x1 SRAM
PDM41257SA20SOI	IXYS	获取价格	Standard SRAM, 256KX1, 20ns, CMOS, PDSO24
PDM41257SA25DI	ETC	获取价格	x1 SRAM
PDM41257SA25SO	ETC	获取价格	x1 SRAM