EDI88128CS
HI-RELIABILITY PRODUCT
128Kx8 Monolithic SRAM, SMD 5962-89598
FEATURES
The EDI88128CS is a high speed, high performance, 128Kx8
megabit density Monolithic CMOS Static RAM.
■ 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
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.
■ Organized as 128Kx8
A Low Power version with 2V Data Retention (EDI88128LPS) is
also available for battery back-up opperation. Military product is
available compliant to MIL-PRF-38535.
■ Commercial, Industrial and Military Temperature Ranges
■ Thru-hole and Surface Mount Packages JEDEC Pinout
• 32 pin Ceramic DIP, 400 mil (Package 102)
• 32 pin Ceramic DIP, 600 mil (Package 9)
• 32 lead Ceramic ZIP (Package 100)
*
15ns access time is advanced information, contact factory for availability.
• 32 lead Ceramic SOJ (Package 140)
• 32 pad Ceramic LCC (Package 141)
• 32 lead Ceramic Flatpack (Package 142)
■ Single +5V (±10%) Supply Operation
FIG. 1 PIN CONFIGURATION
PIN DESCRIPTION
32 DIP
32 SOJ
32 LCC
I/O0-7
A0-16
WE
CS
Data Inputs/Outputs
Address Inputs
Write Enable
32 FLATPACK
32 ZIP
TOP VIEW
TOP VIEW
Chip Select
NC
A16
A14
A12
A7
A6 11
A5 13
A4 15
A3 17
A2 19
A1 21
AØ 23
I/OØ 25
I/O1 27
I/O2 29
1
2
3
4
5
6
7
8
9
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2 10
A1 11
AØ 12
I/OØ 13
I/O1 14
I/O2 15
1
2
3
4
5
6
7
8
9
32 VCC
OE
Output Enable
Power (+5V ±10%)
Ground
V
A15
NC
CC
31 A15
30 NC
29 WE
28 A13
27 A8
VCC
VSS
NC
WE
10 A13
12 A8
Not Connected
26 A9
14 A9
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
BLOCK DIAGRAM
Memory Array
VSS 31
VSS 16
Address
Buffer
Address
Decoder
I/O
Circuits
A
Ø-16
I/OØ-7
WE
CS
OE
1
February 2000 Rev. 10
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com