Functional Description[1]
The CY7C1049B is a high-performance CMOS static RAM organized as 524,288 words by 8 bits.

Features
• High speed
   — tAA = 12 ns
• Low active power
   — 1320 mW (max.)
• Low CMOS standby power (Commercial L version)
   — 2.75 mW (max.)
• 2.0V Data Retention (400 µW at 2.0V retention)
• Automatic power-down when deselected
• TTL-compatible inputs and outputs
• Easy memory expansion with CE and OE features