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AS6UA25617 Datasheet

  • AS6UA25617

  • 1.65V to 3.6V 256K x 16 Intelliwatt low power CMOS SRAM with...

  • 9頁

  • ETC

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Preliminary information
June 2000
AS6UA25617
1.65V to 3.6V 256K脳16 Intelliwatt鈩?low power CMOS SRAM with two chip enables
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
AS6UA25617
Intelliwatt鈩?active power circuitry
Industrial and commercial temperature ranges available
Organization: 262,144 words 脳 16 bits
2.7V to 3.6V at 55 ns
2.3V to 2.7V at 70 ns
1.65V to 2.3V at 100 ns
CS1 and CS2 for chip selection
Low power consumption: ACTIVE
- 144 mW at 3.6V and 55 ns
- 68 mW at 2.7V and 70 ns
- 28 mW at 2.3 V and 100 ns
鈥?Low power consumption: STANDBY
- 72 碌W max at 3.6V
- 41
碌
W max at 2.7V
- 28
碌
W max at 2.3V
鈥?1.2V data retention
鈥?Equal access and cycle times
鈥?Easy memory expansion with CS1, CS2, OE inputs
鈥?Smallest footprint package
- 400-mil 44-pin TSOP II
- 48-ball FBGA
鈥?ESD protection
鈮?/div>
2000 volts
鈥?Latch-up current
鈮?/div>
200 mA
Pin arrangement (top view)
Logic block diagram
A0
A1
A2
A3
A4
A6
A7
A8
A12
A13
I/O1鈥揑/O8
I/O9鈥揑/O16
WE
Row Decoder
V
DD
1024 脳 256 脳 16
Array
(4,194,304)
V
SS
400-pin 400-mil TSOP II
A0
1
A17
44
A1
2
43
A16
A2
3
42
A15
A3
4
41
OE
5
40
UB
A4
LB
6
39
CS1
I/O16
I/O1
7
38
I/O15
I/O2
8
37
I/O14
I/O3
9
36
I/O13
I/O4
10
35
V
SS
V
CC
11
34
V
CC
V
SS
12
33
I/O12
I/O5
13
32
I/O11
I/O6
14
31
I/O7
I/O10
15
30
I/O8
I/O9
16
29
WE
CS2
17
28
A5
A14
18
27
A6
A13
19
26
A7
A12
20
25
A8
21
A11
24
A9
22
A10
23
I/O
buffer
Control circuit
Column decoder
UB
OE
LB
CS1
CS2
A5
A9
A10
A11
A14
A15
A16
A17
48-CSP Ball-Grid-Array Package
1
2
3
4
5
A
B
C
D
E
F
G
H
LB
I/O
9
V
SS
V
CC
I/O
16
NC
OE
UB
I/O
12
I/O
13
NC
A
8
A
0
A
3
A
5
A
17
NC
A
14
A
12
A
9
A
1
A
4
A
6
A
7
A
16
A
15
A
13
A
10
A
2
CS1
I/O
2
I/O
4
I/O
5
I/O
6
WE
A
11
6
CS2
I/O
1
I/O
3
V
CC
V
SS
I/O
7
I/O
8
NC
I/O
10
I/O
11
I/O
15
I/O
14
Selection guide
V
CC
Range
Product
AS6UA25617
AS6UA25617
AS6UA25617
*
Min
(V)
2.7
2.3
1.65
Typ
2
(V)
3.0
2.5
2.0
Max
(V)
3.6
2.7
2.3
Speed
(ns)
55
70
100
Power Dissipation
Operating (I
CC1
)
Max (mA)
2
1
1
Standby (I
SB2
)
Max (
碌
A)
20
15
12
ALLIANCE SEMICONDUCTOR
1
Copyright 漏2000 Alliance Semiconductor. All rights reserved.

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