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• AS7C164 (5V version)
• Commercial temperature
• Organization: 8,192 words × 8 bits
• Center power and ground pins
• High speed
- 12/15/20 ns address access time
- 6/7/8 ns output enable access time
• Low power consumption: ACTIVE
- 550 mW (AS7C164) / max @ 12 ns
• Low power consumption: STANDBY
- 11 mW (AS7C164) / max CMOS I/O
• 2.0V data retention
• Easy memory expansion with CE1, CE2, OE inputs
• TTL-compatible, three-state I/O
• 28-pin JEDEC standard package
- 300 mil SOJ
• ESD protection
≥
2000 volts
• Latch-up current
≥
200 mA
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V
CC
GND
Input buffer
A1
A2
A3
A4
A10
A11
A12
I/O7
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28-pin PDIP, SOJ (300 mL)
I/O0
Column decoder
A A A AA A
0 5 6 7 8 9
WE
OE
CE1
CE2
Control
circuit
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-12
Maximum address access time
Maximum output enable access time
Maximum operating current
Maximum CMOS standby current
12
6
110
2.0
-15
15
7
100
2.0
-20
20
8
90
2.0
Unit
ns
ns
mA
mA
Y
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AS7C164
128×64×8
Array
(65,536)
NC
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Vcc
WE
CE2
A8
A9
A11
OE
A10
CE1
I/O7
I/O6
I/O5
I/O4
I/O3
Row decoder
Sense amp
RI
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ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
