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AS8ER128K32/XT Datasheet

  • AS8ER128K32/XT

  • EEPROM

  • 180.74KB

  • 14頁

  • ETC

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EEPROM
Austin Semiconductor, Inc.
128K x 32 EEPROM
Radiation Tolerant
EEPROM Memory Array
AVAILABLE AS MILITARY
SPECIFICATIONS
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MIL-STD-883
Access time of 150ns
Operation with single 5V + 10% supply
Power Dissipation:
Active: 1.43 W (MAX), Max Speed Operation
Standby: 7.7 mW (MAX), Battery Back-up Mode
On-Chip Latches: Address, Data, CE\, OE\, WE\
Automatic Byte Write: 10 ms (MAX)
Automatic Page Write (128 bytes): 10 ms (MAX)
Data protection circuit on power on/off
Low power CMOS
10
4
Erase/Write cycles (in Page Mode)
Software data protection
TTL Compatible Inputs and Outputs
Data Retention: 10 years
Ready/Busy\ and Data Polling Signals
Write protection by RES\ pin
Radiation Tolerant: Proven total dose 40K to 100K RADS*
Operating Temperature Ranges:
Military: -55
o
C to +125
o
C
Industrial: -40
o
C to +85
o
C
AS8ER128K32
PIN ASSIGNMENT
(Top View)
68 Lead CQFP
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
10
60
11
59
12
58
13
57
14
56
15
55
16
54
17
53
18
52
19
51
20
50
21
49
22
48
23
47
24
46
25
45
26
44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
Vcc
A11
A12
A13
A15
A14
A16
CS1\
OE\
CS2\
NC
WE2\
WE3\
WE4\
NC
NC
RDY
RES\
A0
A1
A2
A3
A4
A5
CS3\
GND
CS4\
WE1\
A6
A7
A8
A9
A10
Vcc
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
GND
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
GND
I/O24
I/O25
I/O26
I/O27
I/O28
I/O29
I/O30
I/O31
FEATURES
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PIN NAME
A0 to A16
I/O0 to I/O31
OE\
CE\
WE\
V
CC
FUNCTION
Address Input
Data Input/Output
Output Enable
Chip Enable
Write Enable
Power Supply
OPTIONS
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MARKINGS
-15
Q
No. 703
Ground
V
SS
RDY/BUSY\ Ready Busy
RES\
Reset
Timing
150 ns
Package
Ceramic Quad Flat pack
GENERAL DESCRIPTION
The Austin Semiconductor, Inc. AS8ER128K32 is a 4 Megabit
Radiation Tolerant EEPROM Module organized as 128K x 32 bit.
User configurable to 256K x16 or 512Kx 8. The module achieves high
speed access, low power consumption and high reliability by employ-
ing advanced CMOS memory technology.
The military grade product is manufactured in compliance to
MIL-STD 883, making the AS8ER128K32 ideally suited for military
or space applications.
The module is offered as a 68 lead 0.990 inch square ceramic
quad flat pack. It has a max. height of 0.200 inch. This package design
is targeted for those applications which require low profile SMT Pack-
aging.
* contact factory for test reports. ASI does not guarantee or warrant these
performance levels, but references these third party reports.
FUNCTIONAL BLOCK DIAGRAM
For more products and information
please visit our web site at
www.austinsemiconductor.com
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS8ER128K32
Rev. 1.0 6/00
1

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