4 Megabit SRAM Multichip Module
ACT-S128K32V High Speed 3.3Volt 4 Megabit SRAM Multichip Module
Features
s 4 Low Power CMOS 128K x 8 SRAMs in one MCM s...
Description
ACT-S128K32V High Speed 3.3Volt 4 Megabit SRAM Multichip Module
Features
s 4 Low Power CMOS 128K x 8 SRAMs in one MCM s Overall configuration as 128K x 32 s Input and Output TTL Compatible s 17, 20, 25, 35, 45 & 55ns Access Times, 15ns Available by
Special Order s Full Military (-55°C to +125°C) Temperature Range s +3.3V Power Supply s Choice of Surface Mount or PGA Type Co-fired Packages:
q 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)
q 66–Lead, PGA-Type (P7), 1.08"SQ x .160"max
s Internal Decoupling Capacitors sDESC SMD# Pending
Block Diagram – PGA Type Package(P7) & CQFP(F2)
WE1 CE1 WE2 CE2 WE3 CE3 WE4 CE4
A0 – A16 OE
128Kx8 128Kx8 128Kx8 128Kx8
8 I/O0-7
88
8
I/O8-15 I/O16-23 I/O24-31
Pin Description
I/O0-31
Data I/O
A0–16 Address Inputs
WE1–4 Write Enables
CE1–4 Chip Enables
OE Output Enable
Vcc GND NC
Power Supply Ground
Not Connected...
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