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AS7C4098-12JIN Datasheet

  • AS7C4098-12JIN

  • 5V/3.3V 256K x 16 CMOS SRAM

  • 10頁

  • ALSC

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January 2005
AS7C4098
AS7C34098
5V/3.3V 256K 脳 16 CMOS SRAM
Features
鈥?AS7C4098 (5V version)
鈥?AS7C34098 (3.3V version)
鈥?Industrial and commercial temperature
鈥?Organization: 262,144 words 脳 16 bits
鈥?Center power and ground pins
鈥?High speed
- 10/12/15/20 ns address access time
- 5/6/7/8 ns output enable access time
鈥?Low power consumption: STANDBY
- 110 mW (AS7C4098)/max CMOS
- 72 mW (AS7C34098)/max CMOS
鈥?Individual byte read/write controls
鈥?Easy memory expansion with CE, OE inputs
鈥?TTL- and CMOS-compatible, three-state I/O
鈥?44-pin JEDEC standard packages
鈥?ESD protection
鈮?/div>
2000 volts
鈥?Latch-up current
鈮?/div>
100 mA
- 400-mil SOJ
- TSOP 2
鈥?Low power consumption: ACTIVE
- 1375 mW (AS7C4098)/max @ 12 ns
- 576 mW (AS7C34098)/max @ 10 ns
Logic block diagram
A0
A1
A2
A3
A4
A6
A7
A8
A12
A13
I/O1鈥揑/O8
I/O9鈥揑/O16
WE
V
CC
1024 脳 256 脳 16
Array
(4,194,304)
GND
Pin arrangement for SOJ and TSOP 2
44-pin (400 mil) SOJ
TSOP2
A0
A1
A2
A3
A4
CE
I/O1
I/O2
I/O3
I/O4
V
CC
GND
I/O5
I/O6
I/O7
I/O8
WE
A5
A6
A7
A8
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A17
A16
A15
OE
UB
LB
I/O16
I/O15
I/O14
I/O13
GND
V
CC
I/O12
I/O11
I/O10
I/O9
NC
A14
A13
A12
A11
A10
I/O
buffer
Row Decoder
Control circuit
Column decoder
A5
A9
A10
A11
A14
A15
A16
A17
UB
OE
LB
CE
Selection guide
鈥?0
Maximum address access time
Maximum output enable access time
Maximum operating current
Maximum CMOS standby current
AS7C4098
AS7C34098
AS7C4098
AS7C34098
10
5
鈥?/div>
160
鈥?/div>
20
鈥?2
12
6
250
130
20
20
鈥?5
15
7
220
110
20
20
鈥?0
20
8
180
100
20
20
Unit
ns
ns
mA
mA
mA
mA
1/13/05;
v.1.9
Alliance Semiconductor
P. 1 of 10
Copyright 漏 Alliance Semiconductor. All rights reserved.

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