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 MARKING
• Packaging
32 pin 600 MIL DIP CW No. 112
• Timing
150ns -150
200ns -200
250ns -250
300ns -300
• Operating Temperature Range
-Military (-55
o
C to +125
o
C) XT
-Industrial (-40
o
C to +85
o
C) 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 U4U2 U3
I/O 0 - I/O 7 I/O 0 - I/O 7I/O 0 - I/O 7 I/O 0 - I/O 7
A0 - A16A0 - A16 A0 - A16
WE\
A0 - A16
WE\ WE\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 Address Inputs
I/O 0 - I/O 7 Data Inputs/Outputs
CE\ Chip Select
OE\ Output Enable
WE\ Write Enable
Vcc +5.0V Power
PIN DESCRIPTION