March 2004
廬
AS7C31025B
3.3V 128K X 8 CMOS SRAM (Center power and ground)
Features
鈥?Industrial and commercial temperatures
鈥?Organization: 131,072 x 8 bits
鈥?High speed
- 10/12/15/20 ns address access time
- 5, 6, 7, 8 ns output enable access time
鈥?Low power consumption: ACTIVE
- 252 mW / max @ 10 ns
鈥?Low power consumption: STANDBY
- 18 mW / max CMOS
鈥?6 T 0.18 u CMOS technology
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Easy memory expansion with CE, OE inputs
Center power and ground
TTL/LVTTL-compatible, three-state I/O
JEDEC-standard packages
- 32-pin, 300 mil SOJ
- 32-pin, 400 mil SOJ
鈥?ESD protection
鈮?/div>
2000 volts
鈥?Latch-up current
鈮?/div>
200 mA
Pin arrangement
Logic block diagram
V
CC
GND
Input buffer
A0
A1
A2
A3
A4
A5
A6
A7
A8
I/O7
32-pin SOJ (300 mil)
32-pin SOJ (400 mil)
A0
A1
A2
A3
CE
I/O0
I/O1
V
CC
GND
I/O2
I/O3
WE
A4
A5
A6
A7
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
A16
A15
A14
A13
OE
I/O7
I/O6
GND
V
CC
I/O5
I/O4
A12
A11
A10
A9
A8
Row decoder
512 x 256 x 8
Array
(1,048,576)
I/O0
WE
OE
CE
Column decoder
A9
A10
A11
A12
A13
A14
A15
A16
Control
circuit
Selection guide
-10
Maximum address access time
Maximum output enable access time
Maximum operating current
Maximum CMOS standby current
10
5
70
5
-12
12
6
65
5
-15
15
7
60
5
-20
20
8
55
5
Unit
ns
ns
mA
mA
3/24/04, v. 1.3
Alliance Semiconductor
AS7C31025B
Sense amp
P. 1 of 9
Copyright 漏 Alliance Semiconductor. All rights reserved.
AS7C31025B-10TJCN 產(chǎn)品屬性
Alliance Memory
22
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