产品资讯

CY62256LL-55SNI

型号：CY62256LL-55SNI
品牌：Cypress

批号：13+RoHS
封装：SOP28
原价：8
数量：25789
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备注：New and original in stock (全新原装现货)

详细描述

CY62256LL-55SNI - 256K (32K x 8) Static RAM - Cypress Semiconductor

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 three-state drivers. This device has an

automatic power-down feature, reducing the power

consumption by 99.9% when deselected.

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/O0 through 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.

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

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

(WE) is HIGH.

**注意 & Noted:

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