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ACT-S128K32V020P7C Datasheet

  • ACT-S128K32V020P7C

  • ACT-S128K32V High Speed 3.3Volt 4 Megabit SRAM Multichip Mod...

  • 7頁

  • AEROFLEX

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ACT-S128K32V High Speed 3.3Volt
4 Megabit SRAM Multichip Module
Features
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擄C to +125擄C) Temperature Range
s
+3.3V Power Supply
s
Choice of Surface Mount or PGA Type Co-fired Packages:
s
68鈥揕ead, 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鈥揕ead, PGA-Type (P7), 1.08"SQ x .160"max
q
www.aeroflex.com/act1.htm
CIRCUIT TECHNOLOGY
General Description
The ACT鈥揝128K32V is a High
Speed 4 megabit CMOS SRAM
Multichip
Module
(MCM)
designed for full temperature
range, 3.3V Power Supply,
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
17ns, 20ns, 25ns, 35ns, 45ns
and 55ns maximum are
standard.
The products are designed for
operation over the temperature
range of -55擄C to +125擄C and
screened under the full military
environment. DESC Standard
Military Drawing (SMD) part
numbers are pending.
The
ACT-S128K32V
is
manufactured in Aeroflex鈥檚
80,000ft
2
MIL-PRF-38534
certified facility in Plainview,
N.Y.
s
Internal Decoupling Capacitors
s
DESC SMD# Pending
Block Diagram 鈥?PGA Type Package(P7) & CQFP(F2)
WE
1
CE
1
WE
2
CE
2
WE
3
CE
3
WE
4
CE
4
A
0
鈥?A
16
OE
128Kx8
128Kx8
128Kx8
128Kx8
8
I/O
0-7
8
I/O
8-15
8
I/O
16-23
8
I/O
24-31
Pin Description
I/O
0-31
Data I/O
A
0鈥?6
Address Inputs
WE
1鈥?
CE
1鈥?
OE
V
cc
GND
NC
Write Enables
Chip Enables
Output Enable
Power Supply
Ground
Not Connected
eroflex Circuit Technology - Advanced Multichip Modules 漏 SCD3359 REV B 12/17/98

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