CY7C1049CV33-15ZXC

CY7C1049CV33-15ZXC概述

4兆位( 512K ×8)静态RAM 4-Mbit 512K x 8 Static RAM

Functional Description[1]

The CY7C1049CV33 is a high-performance CMOS Static RAM organized as 524,288 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.

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/O0 through I/O7 is then written into the location specified on the address pins A0 through A18.

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.

The eight input/output pins I/O0 through 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 is available in standard 400-mil-wide 36-pin SOJ package and 44-pin TSOP II package with center power and ground revolutionary pinout.

Features

• Temperature Ranges

   — Commercial: 0°C to 70°C

   — Industrial: –40°C to 85°C

   — Automotive: –40°C to 125°C

• High speed

   — tAA = 10 ns

• Low active power

   — 324 mW max.

• 2.0V data retention

• Automatic power-down when deselected

• TTL-compatible inputs and outputs

• Easy memory expansion with CE and OE features

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