GS70328SJ/TS
SOJ, TSOP
Commercial Temp
Industrial Temp
Features
• Fast access time: 7, 8, 10, 12, 15 ns
• 75/65/50/50/50 mA at max cycle rate
• Single 3.3 V ± 0.3 V power supply
• All inputs and outputs are TTL-compatible
• Fully static operation
• Industrial Temperature Option: –40° to 85°C
• Package line up
SJ: 300 mil, 28-pin SOJ package
TS: 8 mm x 13.4 mm, 28-pin TSOP Type I package
32K x 8
256Kb Asynchronous SRAM
7, 8, 10, 12, 15 ns
3.3 V V
DD
Corner V
DD
and V
SS
Pin Descriptions
Symbol
A
0
–A
14
DQ
1
–DQ
8
CE
WE
OE
V
DD
V
SS
NC
Description
Address input
Data input/output
Chip enable input
Write enable input
Output enable input
+3.3 V power supply
Ground
No connect
Description
The GS70328 is a high speed CMOS static RAM organized as
32,763 words by 8 bits. Static design eliminates the need for
external clocks or timing strobes. The GS70328 operates on a
single 3.3 V power supply, and all inputs and outputs are TTL-
compatible. The GS70328 is available in 300 mil, 28-pin SOJ
and 8 x 13.4 mm
2
, 28-pin TSOP Type-I packages.
Pin Configuration
Top view
A
14
A
12
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
DQ
1
DQ
2
DQ
3
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28-pin
300 mil
SOJ
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
DD
WE
A
13
A
8
A
9
A
11
OE
A
10
CE
DQ
8
DQ
7
DQ
6
DQ
5
DQ
4
OE
A
11
A
9
A
8
A
13
WE
V
DD
A
14
A
12
A
7
A
6
A
5
A
4
A
3
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
A
10
CE
DQ
8
DQ
7
DQ
6
DQ
5
DQ
4
V
SS
DQ
3
DQ
2
DQ
1
A
0
A
1
A
2
28- pin
8 x 13.4 TSOP I
Rev: 1.11 11/2004
1/11
© 1999, GSI Technology
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
GSI [ GSI TECHNOLOGY ]
