EDI88128CS
White Electronic Designs
128Kx8 Monolithic SRAM, SMD 5962-89598
FEATURES
• 32 pad Ceramic LCC (Package 141)
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Access Times of 15*, 17, 20, 25, 35, 45, 55ns
CS# and OE# Functions for Bus Control
2V Data Retention (EDI88128LPS)
TTL Compatible Inputs and Outputs
Fully Static, No Clocks
• 32 lead Ceramic Flatpack (Package 142)
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Single +5V ( 10ꢀ) Supply OperationThe
EDI88128CS is a high speed, high performance,
128Kx8 megabit density Monolithic CMOS Static
RAM.
Organized as 128Kx8
The device has eight bi-directional input-output lines to
provide simultaneous access to all bits in a word. An
automatic power down feature permits the on-chip circuitry
to enter a very low standby mode and be brought back into
operation at a speed equal to the address access time.
Commercial, Industrial and Military Temperature
Ranges
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Thru-hole and Surface Mount Packages JEDEC
Pinout
ALowPowerversionwith2VDataRetention(EDI88128LPS)
is also available for battery back-up opperation. Military
product is available compliant to MIL-PRF-38535.
• 32 pin Ceramic DIP, 400 mil (Package 102)
• 32 pin Ceramic DIP, 600 mil (Package 9)
• 32 lead Ceramic ZIP (Package 100)
• 32 lead Ceramic SOJ (Package 140)
* 15ns access time is advanced information, contact factory for availability.
This product is subject to change without notice.
FIGURE 1 – PIN CONFIGURATION
PIN DESCRIPTION
32 DIP
32 SOJ
32 LCC
32 FLATPACK
TOP VIEW
I/O0-7
A0-16
WE#
CS#
OE#
VCC
VSS
NC
Data Inputs/Outputs
Address Inputs
Write Enable
32 ZIP
TOP VIEW
Chip Select
Output Enable
Power (+5V 10ꢀ%
Ground
NC
A16
A14
A12
A7
1
2
3
4
5
6
7
8
9
NC
A16
A14
A12
A7
1
2
3
4
5
6
7
8
9
32 VCC
V
CC
A15
NC
31 A15
30 NC
29 WE#
28 A13
27 A8
WE#
Not Connected
10 A13
12 A8
A6 11
A6
A5 13
A4 15
A3 17
A2 19
A1 21
A0 23
I/O0 25
I/O1 27
I/O2 29
A5
26 A9
14 A9
A4
25 A11
24 OE#
23 A10
22 CS#
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
16 A11
18 OE#
20 A10
22 CS#
24 I/O7
26 I/O6
28 I/O5
30 I/O4
32 I/O3
A3
A2 10
A1 11
BLOCK DIAGRAM
A0 12
I/O0 13
I/O1 14
I/O2 15
Memory Array
VSS 31
V
SS 16
Address
Buffer
Address
Decoder
I/O
Circuits
A
0-16
I/O0-7
WE#
CS#
OE#
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February 2000
Rev. 10
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com