EDI88128C Datasheet PDF - White Electronic Designs

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EDI88128C
White Electronic Designs

Part Number EDI88128C
Description 128Kx8 MONOLITHIC SRAM
Page 8 Pages

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White Electronic Designs
EDI88128C
128Kx8 MONOLITHIC SRAM, SMD 5962-89598
FEATURES
„ Access Times of 70, 85, 100ns
„ Available with Single Chip Selects (EDI88128) or
Dual Chip Selects (EDI88130)
„ 2V Data Retention (LP Versions)
„ CS# and OE# Functions for Bus Control
„ TTL Compatible Inputs and Outputs
„ Fully Static, No Clocks
„ Organized as 128Kx8
„ Industrial, Military and Commercial Temperature
Ranges
„ Thru-hole and Surface Mount Packages JEDEC
Pinout
• 32 pin Ceramic DIP, 0.6 mils wide (Package 9)
• 32 lead Ceramic SOJ (Package 140)
„ Single +5V (±10%) Supply Operation
The EDI88128C is a high speed, high performance,
Monolithic CMOS Static RAM organized as 128Kx8.
The device is also available as EDI88130C with an
additional chip select line (CS2) which will automatically
power down the device when proper logic levels are
applied.
The second chip select line (CS2) can be used to provide
system memory security during power down in non-battery
backed up systems and simpliy decoding schemes in
memory banking where large multiple pages of memory
are required.
The EDI88128C and the EDI88130C have 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.
Low power versions, EDI88128LP and EDI88130LP, offer
a 2V data retention function for battery back-up opperation.
Military product is available compliant to Appendix A of
MIL-PRF-38535.
FIGURE 1 – PIN CONFIGURATION
32 DIP
32 SOJ
Top View
NC 1
A16 2
A14 3
A12 4
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
AØ 12
I/OØ 13
I/O1 14
I/O2 15
VSS 16
32 VCC
31 A15
30 NC/CS2*
29 WE#
28 A13
27 A8
26 A9
25 A11
24 OE#
23 A10
22 CS1#
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
PIN DESCRIPTION
I/O0-7
Data Inputs/Outputs
A0-16
Address Inputs
WE# Write Enable
CS1#, CS2
Chip Selects
OE# Output Enable
VCC Power (+5V ±10%)
VSS Ground
NC Not Connected
BLOCK DIAGRAM
* Pin 30 is NC for 88128 or CS2 for 88130.
WE#
CS1#
CS2
OE#
White Electronic Designs Corp. reserves the right to change products or specications without notice.
April 2005
Rev. 17
1 White Electronic Designs Corporation • (602) 437-1520 •www.whiteedc.com

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