CY62256LL-70ZXIT

更新时间： 2024-02-27 18:15:19

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		存储内存集成电路静态存储器光电二极管
页数	文件大小	规格书
14页	476K
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CY62256LL-70ZXIT 数据手册

CY62256

256K (32K x 8) Static RAM

Features

Functional Description^[1]

• High speed

The CY62256 is a high-performance CMOS static RAM

organized as 32K 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. This device has an

automatic power-down feature, reducing the power

consumption by 99.9% when deselected.

— 55 ns

• Temperature Ranges

— Commercial: 0°C to 70°C

— Industrial: –40°C to 85°C

— Automotive: –40°C to 125°C

• Voltage range

An active LOW write enable signal (WE) controls the

writing/reading operation of the memory. When CE and WE

inputs are both LOW, data on the eight data input/output pins

(I/O₀through I/O₇) is written into the memory location

addressed by the address present on the address pins (A₀

through A₁₄). Reading the device is accomplished by selecting

the device and enabling the outputs, CE and OE active LOW,

while WE remains inactive or HIGH. Under these conditions,

the contents of the location addressed by the information on

address pins are present on the eight data input/output pins.

— 4.5V – 5.5V

• Low active power and standby power

• Easy memory expansion with CE and OE features

• TTL-compatible inputs and outputs

• Automatic power-down when deselected

• CMOS for optimum speed/power

The input/output pins remain in a high-impedance state unless

the chip is selected, outputs are enabled, and write enable

(WE) is HIGH.

• Available in a Pb-free and non Pb-free standard 28-pin

narrow SOIC, 28-pin TSOP-1, 28-pin Reverse TSOP-1

and 28-pin DIP packages

Logic Block Diagram

I/O

INPUTBUFFER

32K × 8

ARRAY

POWER

DOWN

COLUMN

DECODER

I/O

Note:

1. For best practice recommendations, please refer to the Cypress application note “System Design Guidelines” on http://www.cypress.com.

Cypress Semiconductor Corporation

Document #: 38-05248 Rev. *F

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised August 3, 2006

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CY62256LL-70ZXIT 替代型号

型号	品牌	替代类型	描述	数据表
CY62256NLL-55ZXIT	CYPRESS	功能相似	Standard SRAM, 32KX8, 55ns, CMOS, PDSO28, 8 X 13.40 MM, LEAD FREE, TSOP1-28

与CY62256LL-70ZXIT相关器件

型号	品牌	获取价格	描述	数据表
CY62256N	CYPRESS	获取价格	256K (32K x 8) Static RAM
CY62256N_09	CYPRESS	获取价格	256K (32K x 8) Static RAM
CY62256N_11	CYPRESS	获取价格	256K (32K × 8) Static RAM
CY62256NL-70PC	CYPRESS	获取价格	256K (32K x 8) Static RAM
CY62256NL-70PC	ROCHESTER	获取价格	32KX8 STANDARD SRAM, 70ns, PDIP28, 0.600 INCH, MS-011, DIP-28
CY62256NL-70PXC	CYPRESS	获取价格	256K (32K x 8) Static RAM
CY62256NL-70SNC	CYPRESS	获取价格	256K (32K x 8) Static RAM
CY62256NL-70SNC	ROCHESTER	获取价格	32KX8 STANDARD SRAM, 70ns, PDSO28, 0.300 INCH, SOIC-28
CY62256NL-70SNCT	CYPRESS	获取价格	暂无描述
CY62256NL-70SNI	CYPRESS	获取价格	256K (32K x 8) Static RAM

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