Functional Description[1]
The CY62256 is a high-performance CMOS static RAM organized as 32K words by 8 bits. Easy memory expansion is provided by an active LOW chip enable (CE) and active LOW output enable (OE) and Tri-state drivers. This device has an automatic power-down feature, reducing the power consumption by 99.9% when deselected.

FEATUREs
• High speed
   — 55 ns
• Temperature Ranges
   — Commercial: 0°C to 70°C
   — Industrial: –40°C to 85°C
   — Automotive: –40°C to 125°C
• Voltage range
   — 4.5V – 5.5V
• Low active power and standby power
• Easy memory expansion with CE and OE features
• TTL-compatible inputs and outputs
• Automatic power-down when deselected
• CMOS for optimum speed/power
• Available in a Pb-free and non Pb-free standard 28-pin
   narrow SOIC, 28-pin TSOP-1, 28-pin Reverse TSOP-1
   and 28-pin DIP packages