General Description
The ACT–RS128K32 is a High Speed 4 megabit CMOS SRAM Multichip Module (MCM) designed for full temperature range, military, space, or high reliability mass memory and fast cache applications.

FEATUREs
■ 4 Low Power CMOS 128K x 8 SRAMs in one MCM
■ Overall configuration as 128K x 32
■ Tolerant to 30KRad (Si)
■ Latch-up Immunity to 112MeV/(mg/cm2)
■ Input and Output TTL Compatible
■ 35 & 45ns Access Times
■ Full Military (-55°C to +125°C) Temperature Range
■ For Class K devices per MIL-PRF-38534 - Consult Factory
■ +5V Power Supply
■ Choice of 4 Hermetically sealed Co-fired Packages:
    ● 68–Lead, Low Profile CQFP (F1), 1.56"SQ x .140"max
    ● 68–Lead, Dual-Cavity CQFP (F2), .88"SQ x .20"max (.18"max thickness available, contact factory for details) (Drops into the 68 Lead JEDEC .99"SQ CQFJ footprint)
    ● 66–Lead, PGA-Type (P1), 1.385"SQ x .245"max
■ Internal Decoupling Capacitors