Datasheet > CY7C1049CV33AUTO

CY7C1049CV33AUTO

更新时间： 2024-09-17 09:43:35

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		/
页数	文件大小	规格书
13页	852K
描述
4-Mbit (512 K × 8) Static RAM TTL-compatible inputs and outputs

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CY7C1049CV33AUTO 数据手册

CY7C1049CV33 Automotive

4-Mbit (512 K × 8) Static RAM

4-Mbit (512

K × 8) Static RAM

Features

Functional Description

■ Temperature ranges

❐ Automotive -A: –40 °C to 85 °C

❐ Automotive-E: –40 °C to 125 °C

The CY7C1049CV33 Automotive is a high performance CMOS

Static RAM organized as 524,288 words by eight bits. Easy

memory expansion is provided by an active LOW Chip Enable

(CE), an active LOW Output Enable (OE), and three-state

drivers. 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 A₁₈).

■ High speed

❐ t_AA= 10 ns

■ Low active power

❐ 360 mW (max)

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 appear on the I/O pins.

■ 2.0 V data retention

■ Automatic power down when deselected

■ TTL-compatible inputs and outputs

■ Easy memory expansion with CE and OE features

The eight input and 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).

The CY7C1049CV33 Automotive is available in standard

400-mil-wide 36-pin SOJ package and 44-pin TSOP II package

with center power and ground (revolutionary) pinout.

For best practice recommendations, refer to the Cypress

application note AN1064, SRAM System Guidelines.

Logic Block Diagram

INPUT BUFFER

512K x 8

ARRAY

POWER

DOWN

COLUMN DECODER

Cypress Semiconductor Corporation

Document #: 001-67511 Rev. **

•

198 Champion Court

•

San Jose, CA 95134-1709

•408-943-2600

Revised February 16, 2011

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