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Aeroflex Circuit Technology - RAD Tolerant ACT-RS128K32 High Speed 4 Megabit SRAM Multichip Module

Numéro de référence ACT-RS128K32N-035P1Q
Description RAD Tolerant ACT-RS128K32 High Speed 4 Megabit SRAM Multichip Module
Fabricant Aeroflex Circuit Technology 
Logo Aeroflex Circuit Technology 





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ACT-RS128K32N-035P1Q fiche technique
RAD Tolerant
ACT–RS128K32 High Speed
4 Megabit SRAM Multichip Module
Features
Preliminary
s 4 Low Power CMOS 128K x 8 SRAMs in one MCM
s Overall configuration as 128K x 32
s Tolerant to 30KRad (Si)
s Latch-up Immunity to 112MeV/(mg/cm2)
s Input and Output TTL Compatible
s 35 & 45ns Access Times
s Full Military (-55°C to +125°C) Temperature Range
s For Class K devices per MIL-PRF-38534 - Consult Factory
s +5V Power Supply
s Choice of 4 Hermetically sealed Co-fired Packages:
q 68–Lead, Low Profile CQFP (F1), 1.56"SQ x .140"max
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 (P1), 1.385"SQ x .245"max
s Internal Decoupling Capacitors
Block Diagram – PGA Type Package(P1) & CQFP(F2)
Pin Description
WE1 CE1 WE2 CE2 WE3 CE3 WE4 CE4 I/O0-31
Data I/O
A0 – A16
OE
A0–16 Address Inputs
WE1–4 Write Enables
128Kx8
128Kx8
128Kx8
128Kx8
CE1–4 Chip Enables
OE Output Enable
Vcc Power Supply
8
88
8
GND
Ground
I/O0-7
I/O8-15 I/O16-23 I/O24-31 NC Not Connected
Block Diagram – CQFP(F1)
Pin Description
CE1
CE2
CE3
CE4 I/O0-31
Data I/O
WE
OE
A0–16 Address Inputs
A0 – A16
WE Write Enable
128Kx8
128Kx8
128Kx8
128Kx8
CE1–4 Chip Enables
OE Output Enable
Vcc Power Supply
8
88
8
GND
Ground
I/O0-7
I/O8-15 I/O16-23 I/O24-31 NC Not Connected
CIRCUIT TECHNOLOGY
www.aeroflex.com/act1.htm
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.
The MCM can be organized
as a 128K x 32 bits, 256K x 16
bits or 512k x 8 bits device and
is input and output TTL
compatible. Writing is executed
when the write enable (WE)
and chip enable (CE) inputs are
low. Reading is accomplished
when WE is high and CE and
output enable (OE) are both
low. Access time grades of
35ns and 45ns maximum are
standard.
The +5 Volt power supply
version is standard.
The products are designed for
operation over the temperature
range of -55°C to +125°C and
screened under the full military
environment. DESC Standard
Military Drawing (SMD) part
numbers are pending.
The ACT-RS128K32 is
manufactured in Aeroflex’s
80,000ft2
MIL-PRF-38534
certified facility in Plainview,
N.Y.
eroflex Circuit Technology - Advanced Multichip Modules © SCD3659 REV 3 12/17/98

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