Datasheet > CY7C1019B-15ZCT

CY7C1019B-15ZCT

更新时间： 2023-08-15 00:00:00

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		静态存储器光电二极管
页数	文件大小	规格书
8页	408K
描述
Standard SRAM, 128KX8, 15ns, CMOS, PDSO32, TSOP2-32

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数据手册

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CY7C1019B-15ZCT 数据手册

CY7C1019B

CY7C10191B

128K x 8 Static RAM

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 A₁₆).

Features

• High speed

— t_AA= 10, 12, 15 ns

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 will appear

on the I/O pins.

• CMOS for optimum speed/power

• Center power/ground pinout

• Automatic power-down when deselected

• Easy memory expansion with CE and OE options

• Functionally equivalent to CY7C1019

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 CY7C1019B/10191B is a high-performance CMOS static

RAM organized as 131,072 words by 8 bits. Easy memory

expansion is provided by an active LOW Chip Enable (CE), an

active LOW Output Enable (OE), and three-state drivers. This

device has an automatic power-down feature that significantly

reduces power consumption when deselected.

The CY7C1019B/10191B is available in standard 32-pin

TSOP Type II and 400-mil-wide SOJ packages. Customers

should use part number CY7C10191B when ordering parts

with 10 ns t_AA, and CY7C1019B when ordering 12 and 15 ns

t_AA

Logic Block Diagram

Pin Configurations

/ TSOPII

SOJ

Top View

I/O₀

INPUT BUFFER

I/O

I/O₁

I/O₂

I/O

I/O₃

I/O₄

I/O₅

I/O₆

512 x 256 x 8

ARRAY

I/O

POWER

DOWN

COLUMN

DECODER

I/O₇

Cypress Semiconductor Corporation

Document #: 38-05026 Rev. *B

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised October 6, 2005

12 3 4 5 6 7 8

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