Datasheet > CY7C1071DV33

CY7C1071DV33

更新时间： 2024-12-01 09:43:35

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		/
页数	文件大小	规格书
14页	468K
描述
32-Mbit (2 M x 16) Static RAM TTL compatible inputs and outputs

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CY7C1071DV33 数据手册

CY7C1071DV33

32-Mbit (2 M × 16) Static RAM

32-Mbit (2

M × 16) Static RAM

Features

Functional Description

■ High speed

❐ t_AA= 12 ns

The CY7C1071DV33 is a high performance CMOS Static RAM

organized as 2,097,152 words by 16 bits. The input and output

pins (I/O₀through I/O₁₅) are placed in a high impedance state

when:

■ Low active power

❐ I_CC= 250 mA at 12 ns

■ Deselected (CE HIGH)

■ Low Complementary Metal Oxide Semiconductor (CMOS)

standby power

■ Outputs are disabled (OE HIGH)

❐ I_SB2= 50 mA

■ Both byte high enable and byte low enable are disabled (BHE,

BLE HIGH)

■ Operating voltages of 3.3 ± 0.3 V

■ 2.0 V data retention

■ The write operation is active (CE LOW and WE LOW)

To write to the device, take Chip Enable (CE) and Write Enable

(WE) inputs LOW. If Byte Low Enable (BLE) is LOW, then data

from I/O pins (I/O₀through I/O₇) is written into the location

specified on the address pins (A₀through A₂₀). If Byte High

Enable (BHE) is LOW, then data from I/O pins (I/O₈through

I/O₁₅) is written into the location specified on the address pins

(A₀through A₂₀).

■ Automatic power down when deselected

■ TTL compatible inputs and outputs

■ Available in Pb-free 48-ball FBGA package

To read from the device, take Chip Enable (CE) and Output

Enable (OE) LOW while forcing the Write Enable (WE) HIGH. If

Byte Low Enable (BLE) is LOW, then data from the memory

location specified by the address pins appears on I/O₀to I/O₇. If

Byte High Enable (BHE) is LOW, then data from memory

appears on I/O₈to I/O₁₅. See the Truth Table on page 10 for a

complete description of read and write modes.

Logic Block Diagram

DATA IN DRIVERS

2M × 16

IO₀–IO₇

A_(10:0)

RAM ARRAY

IO₈–IO₁₅

COLUMN DECODER

A_(20:11)

BHE

BLE

Cypress Semiconductor Corporation

Document Number: 001-12063 Rev. *H

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised May 28, 2011

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