CY7C199C
CY7C199C is 32K x 8 Static RAM manufactured by Cypress.
32K x 8 Static RAM
Features
- Fast access time: 12 ns, 15 ns, 20 ns, and 25 ns
- Wide voltage range: 5.0V ± 10% (4.5V to 5.5V)
- CMOS for optimum speed/power
- TTL- patible Inputs and Outputs
- Available in 28 DIP, 28 SOJ, and 28 TSOP I.
- 2.0V Data Retention
- Low CMOS standby power
- Automated Power- down when deselected
General Description1
The CY7C199C is a high- performance CMOS Asynchronous SRAM organized as 32K by 8 bits that supports an asynchronous memory interface. The device Features an automatic power- down feature that significantly reduces power consumption when deselected. See the Truth Table in this datasheet for a plete description of read and write modes. The CY7C199C is available in 28 DIP, 28 SOJ, and 28 TSOP I package(s).
Logic Block Diagram
Input Buffer
Row Decoder
RAM Array
Sense Amps
I/Ox
..
Column Decoder Power Down Circuit
WE OE A
Product Portfolio
12 ns Maximum Access Time Maximum Operating Current Maximum CMOS Standby Current (low power) 12 85 500 15 ns 15 80 500 20 ns 20 75 500 25 ns 25 75 500 Unit ns m A u A
Notes: 1. For best- practices remendations, please refer to the Cypress application note System Design Guidelines on .cypress..
Cypress Semiconductor Corporation Document #: 38-05408 Rev.
- A
- 3901 North First Street
- San Jose, CA 95134
- 408-943-2600 Revised September 11, 2003
Pin Layout and...