
AS8E512K8
Rev. 2.0 12/99
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
1
EEPROM
AS8E512K8
Austin Semiconductor, Inc.
GENERAL DESCRIPTION
The Austin Semiconductor, Inc. AS8E512K8 is a
4 Megabit CMOS EEPROM Module organized as 512K x 8-bits.
It is built with four 128K x 8 components and a single decoder.
The AS8E512K8 achieves high speed access, low power
consumption and high reliability by employing advanced CMOS
memory technology. Software data protection is implemented
using the JEDEC Optional Standard algorithm.
This military temperature grade product is ideally suited
for military and space applications requiring high reliability.
AVAILABLE AS MILITARY
SPECIFICATIONS
SMD 5962-93091
MIL-STD-883
FEATURES
Access times of 150, 200, 250, and 300 ns
JEDEC Compatible Pinout
10,000 Write Endurance Cycles
10 year Data Retention
Organized as 512Kx8
Operation with single 5 volt supply
Low power CMOS
TTL Compatible Inputs and Outputs
OPTIONS
Packaging
32 pin 600 MIL DIP
MARKING
CW No. 112
Timing
150ns
200ns
250ns
300ns
-150
-200
-250
-300
Operating Temperature Range
-Military (-55
o
C to +125
o
C)
-Industrial (-40
o
C to +85
o
C)
XT
IT
512K x 8 EEPROM
EEPROM Module
PIN ASSIGNMENT
(Top View)
32-Pin DIP & 32-Pin SOJ (CW)
A17
A18
CE\
I/O 0 - I/O 7
OE\
1 of 4
Decoder
U1
U4
U2
U3
I/O 0 - I/O 7
WE\
I/O 0 - I/O 7
I/O 0 - I/O 7
WE\
I/O 0 - I/O 7
A0 - A16
A0 - A16
A0 - A16
WE\
A0 - A16
WE\
OE\
OE\
OE\
CE\
A0 - A16
CE\
CE\
CE\
WE\
OE\
A18
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O 0
I/O 1
I/O 2
Vss
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Vcc
WE\
A17
A14
A13
A8
A9
A11
OE\
A10
CE\
I/O 7
I/O 6
I/O 5
I/O 4
I/O 3
For more products and information
please visit our web site at
www.austinsemiconductor.com
A0 - A18
I/O 0 - I/O 7
CE\
OE\
WE\
Vcc
Address Inputs
Data Inputs/Outputs
Chip Select
Output Enable
Write Enable
+5.0V Power
PIN DESCRIPTION