DESCRIPTION

The LH52256C is a Static RAM organized as 32,768 × 8 bits which provides low-power standby mode. It is fabricated using silicon-gate CMOS process technology.

FEATURES

• 32,768 × 8 bit organization

• Access time: 70 ns (MAX.)

• Supply current:

Operating: 45 mA (MAX.)

10 mA (MAX.) (tRC, tWC = 1 µs)

Standby: 40 µA (MAX.)

• Data retention current: 1.0 µA (MAX.)

(VCCDR = 3 V, TA = 25°C)

• Wide operating voltage range: 4.5 V ± 5.5 V

• Operating temperature:

Commerical temperature 0°C to +70°C

Industrial temperature -40° to +85°C

• Fully-static operation

• Three-state outputs

• Not designed or rated as radiation hardened

• Package:

28-pin, 600-mil DIP

28-pin, 450-mil SOP

28-pin, 300-mil SK-DIP

28-pin, 8 × 3 mm2 TSOP (Type I)

• N-type bulk silicon