AS7C1026A Datasheet, PDF (1/9 Pages) Alliance Semiconductor Corporation – 5V/3.3V 64K X 16 CMOS SRAM

January 2001
Advance Information
®
5V/3.3V 64K X 16 CMOS SRAM
AS7C1026A
AS7C31026A
Features
• AS7C1026A (5V version)
• AS7C31026A (3.3V version)
• Industrial and commercial versions
• Organization: 65,536 words × 16 bits
• Center power and ground pins for low noise
• High speed
- 10/12/15/20 ns address access time
- 3/3/4/5 ns output enable access time
• Low power consumption: ACTIVE
- 660 mW (AS7C1026A) / max @ 10 ns
- 324 mW (AS7C31026A) / max @ 10 ns
• Low power consumption: STANDBY
- 55 mW (AS7C1026A) / max CMOS I/O
- 36 mW (AS7C31026A) / max CMOS I/O
• Latest 6T 0.25u CMOS technology
• 2.0V data retention
• Easy memory expansion with CE, OE inputs
• TTL-compatible, three-state I/O
• JEDEC standard packaging
- 44-pin 400 mil SOJ
- 44-pin 400 mil TSOP II
- 48-ball 6 mm × 8 mm CSP mBGA
• ESD protection ≥ 2000 volts
• Latch-up current ≥ 200 mA
Logic block diagram
A0
A1
A2
A3
A4
A5
A6
A7
I/O0–I/O7
I/O8–I/O15
I/O
buffer
WE
UB
OE
LB
CE
64K × 16
Array
Control circuit
Column decoder
Pin arrangement
44-Pin SOJ, TSOP II (400 mil)
V_CC
A4
1
A3
2
GND ^A2
3
A1
4
A0
5
CE
6
I/O0
7
I/O1
8
I/O2
9
I/O3
10
V_CC
11
GND
12
I/O4
13
I/O5
14
I/O6
15
I/O7
16
WE
17
A15
18
A14
19
A13
20
A12
21
NC
22
44
A5
43
A6
42
A7
41
OE
40
UB
39
LB
38
I/O15
37
I/O14
36
I/O13
35
I/O12
34
GND
33
V_CC
32
I/O11
31
I/O10
30
I/O9
29
I/O8
28
NC
27
A8
26
A9
25
A10
24
A11
23
NC
48-CSP mini Ball-Grid-Array Package
1 2 3 45 6
A LB OE A₀ A₁ A₂ NC
B I/O8 UB A3 A4 CE I/O0
C I/O9 I/O10 A5 A6 I/O1 I/O2
D V_SS I/O11 NC
E V_DD I/O12 NC
F I/O14 I/O13 A14
A7 I/O3 V_DD
NC I/O4 V_SS
A15 I/O5 I/O6
G I/O15 NC A12 A13 WE I/O7
H NC A8 A9 A10 A11 NC
Selection guide
AS7C1026A-10 AS7C1026A-12 AS7C1026A-15 AS7C1026A-20
AS7C31026A-10 AS7C31026A-12 AS7C31026A-15 AS7C31026A-20 Unit
Maximum address access time
10
12
15
20
ns
Maximum output enable access time
3
3
4
5
ns
AS7C1026A
120
110
100
100
mA
Maximum operating current
AS7C31026A
90
80
80
80
mA
Maximum CMOS standby
AS7C1026A
10
10
10
15
mA
current
AS7C31026A
10
10
10
15
mA
2/6/01; V.0.9
Alliance Semiconductor
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