Functional Description

The CY7C199 is a high-performance CMOS static RAM organized as 32,768 words by 8 bits. Easy memory expansion is provided by an active LOW Chip Enable (CE) and active LOW Output Enable (OE) and three-state drivers.

This device has an automatic power-down feature, reducing the power consumption by 81 when deselected. The CY7C199 is in the standard 300-mil-wide DIP, SOJ, and LCC packages.

Features

• High speed

— 10 ns

• Fast tDOE

• CMOS for optimum speed/power

• Low active power

— 467 mW (max, 12 ns “L” version)

• Low standby power

— 0.275 mW (max, “L” version)

• 2V data retention (“L” version only)

• Easy memory expansion with CE and OE features

• TTL-compatible inputs and outputs

• Automatic power-down when deselected