SRAM
AS8S512K32
& AS8S512K32A
Austin Semiconductor, Inc.
512K x 32 SRAM
PIN ASSIGNMENT
SRAM MEMORY ARRAY
(Top View)
AVAILABLE AS MILITARY
SPECIFICATIONS
68 Lead CQFP (Q, Q1 & Q2)
Military SMD Pinout Option
•
•
SMD 5962-94611 (Military Pinout)
MIL-STD-883
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
6 0
5 9
5 8
5 7
5 6
5 5
5 4
5 3
5 2
5 1
5 0
4 9
4 8
4 7
4 6
4 5
4 4
I/O 16
I/O 17
I/O 18
I/O 19
I/O 20
I/O 21
I/O 22
I/O 23
GND
I/O 24
I/O 25
I/O 26
I/O 27
I/O 28
I/O 29
I/O 30
I/O 31
I/O 0
I/O 1
I/O 2
I/O 3
FEATURES
•
•
•
•
•
•
•
Operation with single 5V supply
I/O 4
I/O 5
I/O 6
I/O 7
GND
I/O 8
I/O 9
I/O 10
I/O 11
I/O 12
I/O 13
I/O 14
I/O 15
High speed: 12, 15, 17, 20, 25 and 35ns
Built in decoupling caps for low noise
Organized as 512Kx32 , byte selectable
Low power CMOS
TTL Compatible Inputs and Outputs
Future offerings
3.3V Power Supply
OPTIONS
MARKINGS
• Operating Temperature Ranges
Military (-55oC to +125oC)
Industrial (-40oC to +85oC)
XT
IT
68 Lead CQFP
Commercial Pinout Option (Q & Q1 with A)
• Timing
12ns
15ns
17ns
20ns
25ns
35ns
45ns
55ns
-12
-15
-17
-20
-25
-35
-45
-55
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
6 0
5 9
5 8
5 7
5 6
5 5
5 4
5 3
5 2
5 1
5 0
4 9
4 8
4 7
4 6
4 5
4 4
I/O 14
I/O 13
I/O 12
Vss
I/O 11
I/O 10
I/O 9
I/O 8
Vcc
I/O 7
I/O 6
I/O 5
I/O 4
Vss
I/O 3
I/O 2
I/O 1
I/O17
I/O18
I/O19
Vss
I/O20
I/O21
I/O22
I/O23
Vcc
I/O24
I/O25
I/O26
I/O27
Vss
I/O28
I/O29
I/O30
• Package
Ceramic Quad Flatpack
Ceramic Quad Flatpack
Ceramic Quad Flatpack
Pin Grid Array
Q
Q1
Q2
P
66 Lead PGA (P)
•
•
Low Power Data Retention Mode
L
Military SMD Pinout
Pinout
Military
Commercial
(no indicator)
A*
CS
CS
*(available with Q package only)
\
GENERAL DESCRIPTION
The Austin Semiconductor, Inc. AS8S512K32 and
AS8S512K32A are 16 Megabit CMOS SRAM Modules organized as
512Kx32 bits. These devices achieve high speed access, low power
consumption and high reliability by employing advanced CMOS
memory technology.
CS
CS
This military temperature grade product is ideally suited for
military and space applications.
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS8S512K32 & AS8S512K32A
Rev. 6.0 6/05
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