Description
The U62256A is a static RAM manufactured using a CMOS process technology with the following operating modes:
    - Read - Standby
    - Write - Data Retention
The memory array is based on a 6-transistor cell.
   
Features
❐ 32768x8 bit static CMOS RAM
❐ Access times 70 ns, 100 ns
❐ Common data inputs and
    data outputs
❐ Three-state outputs
❐ Typ. operating supply current
    70 ns: 50 mA
    100 ns: 40 mA
❐ TTL/CMOS-compatible
❐ Automatical reduction of power
    dissipation in long Read Cycles
❐ Power supply voltage 5 V + 10 %
❐ Operating temperature ranges
    0 to 70 °C
    -40 to 85 °C
    -40 to 125 °C
❐ QS 9000 Quality Standard
❐ ESD protection > 2000 V
    (MIL STD 883C M3015.7)
❐ Latch-up immunity >100 mA
❐ Packages: PDIP28 (600 mil)
                      SOP28 (330 mil)