Description
The PDM31564 is a high-performance CMOS static RAM organized as 262,144 x 16 bits. The PDM31564 features low power dissipation using chip enable (CE) and has an output enable input (OE) for fast memory access. Byte access is supported by upper and lower byte controls.

Features
□ High-speed access times
    - Com’l: 8, 10, 12, 15, and 20 ns
    - Ind: 12, 15, and 20 ns
□ Low power operation (typical)
    - PDM31564SA
        Active: 300 mW
        Standby: 25mW
□ High-density 256K x 16 architecture
□ 3.3V (±0.3V) power supply
□ Fully static operation
□ TTL-compatible inputs and outputs
□ Output buffer controls: OE
□ Data byte controls: LB, UB
□ Packages:
    Plastic SOJ (400 mil) - SO
    Plastic TSOP (II) - T