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GS72108AJ-7I

Description
Standard SRAM, 256KX8, 7ns, CMOS, PDSO36, 0.400 INCH, SOJ-36
Categorystorage    storage   
File Size313KB,11 Pages
ManufacturerGSI Technology
Websitehttp://www.gsitechnology.com/
Download Datasheet Parametric View All

GS72108AJ-7I Overview

Standard SRAM, 256KX8, 7ns, CMOS, PDSO36, 0.400 INCH, SOJ-36

GS72108AJ-7I Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerGSI Technology
Parts packaging codeSOJ
package instructionSOJ,
Contacts36
Reach Compliance Codecompli
ECCN code3A991.B.2.B
Maximum access time7 ns
JESD-30 codeR-PDSO-J36
JESD-609 codee0
length23.47 mm
memory density2097152 bi
Memory IC TypeSTANDARD SRAM
memory width8
Humidity sensitivity level3
Number of functions1
Number of terminals36
word count262144 words
character code256000
Operating modeASYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize256KX8
Package body materialPLASTIC/EPOXY
encapsulated codeSOJ
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height3.7 mm
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTIN LEAD
Terminal formJ BEND
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width10.16 mm
GS72108ATP
TSOP
Commercial Temp
Industrial Temp
Features
• Fast access time: 7, 8, 10, 12 ns
• CMOS low power operation: 135/115/95/80 mA at minimum
cycle time
• Single 3.3 V power supply
• All inputs and outputs are TTL-compatible
• Fully static operation
• Industrial Temperature Option: –40° to 85°C
• Package line up
TP: 400 mil, 44-pin TSOP Type II package
GP:RoHS-compliant 400 mil, 44-pin TSOP Type II
package
256K x 8
2Mb Asynchronous SRAM
7, 8, 10, 12 ns
3.3 V V
DD
Center V
DD
and V
SS
TSOP-II 256K x 8-Pin Configuration
NC
NC
A
4
A
3
A
2
A
1
A
0
CE
DQ
1
DQ
2
V
DD
V
SS
DQ
3
DQ
4
WE
A
17
A
16
A
15
A
14
A
13
NC
NC
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
NC
NC
NC
A
5
A
6
A
7
A
8
OE
DQ
8
DQ
7
V
SS
V
DD
DQ
6
DQ
5
A
9
A
10
A
11
A
12
NC
NC
NC
NC
44-pin
400 mil TSOP II
Description
The GS72108A is a high speed CMOS Static RAM organized
as 262,144 words by 8 bits. Static design eliminates the need
for external clocks or timing strobes. The GS operates on a
single 3.3 V power supply and all inputs and outputs are TTL-
compatible. The GS72108A is available in 400 mil TSOP
Type-II packages.
Pin Descriptions
Symbol
A
0
–A
17
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
Rev: 1.07a 4/2009
1/11
© 2001, GSI Technology
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
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