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Número de pieza | GS74108J | |
Descripción | 512K x 8 4Mb Asynchronous SRAM | |
Fabricantes | GSI Technology | |
Logotipo | ||
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SOJ, TSOP
Commercial Temp
Industrial Temp
512K x 8
4Mb Asynchronous SRAM
GS74108TP/J
8, 10, 12, 15ns
3.3V VDD
Center VDD & VSS
Features
• Fast access time: 8, 10, 12, 15ns
• CMOS low power operation: 150/125/110/90 mA at min. cycle time.
• Single 3.3V ± 0.3V power supply
• All inputs and outputs are TTL compatible
• Fully static operation
• Industrial Temperature Option: -40° to 85°C
• Package line up
J: 400mil, 36 pin SOJ package
TP: 400mil, 44 pin TSOP Type II package
Description
The GS74108 is a high speed CMOS static RAM organized as
524,288-words by 8-bits. Static design eliminates the need for exter-
nal clocks or timing strobes. Operating on a single 3.3V power supply
and all inputs and outputs are TTL compatible. The GS74108 is avail-
able in 400 mil SOJ and 400 mil TSOP Type-II packages.
Pin Descriptions
Symbol
A0 to A18
DQ1 to DQ8
CE
WE
OE
VDD
VSS
NC
Description
Address input
Data input/output
Chip enable input
Write enable input
Output enable input
+3.3V power supply
Ground
No connect
SOJ 512K x 8 Pin Configuration
A4 1
A3 2
A2 3
A1 4
A0 5
CE 6
DQ1 7
DQ2 8
VDD 9
VSS 10
DQ3 11
DQ4 12
WE 13
A17 14
A16 15
A15 16
A14 17
A13 18
36 pin
400mil SOJ
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
NC
A5
A6
A7
A8
OE
DQ8
DQ7
VSS
VDD
DQ6
DQ5
A9
A10
A11
A12
A18
NC
Rev: 1.06 7/2000
1/12
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 1999, Giga Semiconductor, Inc.
1 page GS74108TP/J
Power Supply Currents
Parameter Symbol Test Conditions
0 to 70°C
-40 to 85°C
8ns 10ns 12ns 15ns 10ns 12ns 15ns
Operating
Supply
Current
IDD
CE ≤ VIL
All other inputs
≥ VIH or ≤ VIL
Min. cycle time
IOUT = 0 mA
150mA 125mA 110mA 90mA 135mA 120mA 100mA
CE ≥ VIH
Standby
Current
ISB1
All other inputs
≥ VIH or ≤VIL
70mA 65mA 60mA 55mA 75mA 70mA 65mA
Min. cycle time
Standby
Current
CE ≥ VDD - 0.2V
ISB2 All other inputs
≥ VDD - 0.2V or ≤ 0.2V
30mA
40mA
AC Test Conditions
Parameter
Conditions
Input high level
Input low level
Input rise time
Input fall time
VIH=2.4V
VIL=0.4V
tr=1V/ns
tf=1V/ns
Input reference level
Output reference level
1.4V
1.4V
Output load
Fig. 1& 2
Note:
1. Include scope and jig capacitance.
2. Test conditions as specified with output loading as shown in Fig. 1
unless otherwise noted
3. Output load 2 for tLZ, tHZ, tOLZ and tOHZ.
Output Load 1
DQ
50Ω 30pF1
VT=1.4V
Output Load 2
3.3V
DQ 589Ω
5pF1 434Ω
Rev: 1.06 7/2000
5/12
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 1999, Giga Semiconductor, Inc.
5 Page Ordering Information
Part Number*
GS74108TP-8
GS74108TP-10
GS74108TP-12
GS74108TP-15
GS74108TP-8I
GS74108TP-10I
GS74108TP-12I
GS74108TP-15I
GS74108J-8
GS74108J-10
GS74108J-12
GS74108J-15
GS74108J-8I
GS74108J-10I
GS74108J-12I
GS74108J-15I
Package
400 mil TSOP-II
400 mil TSOP-II
400 mil TSOP-II
400 mil TSOP-II
400 mil TSOP-II
400 mil TSOP-II
400 mil TSOP-II
400 mil TSOP-II
400 mil SOJ
400 mil SOJ
400 mil SOJ
400 mil SOJ
400 mil SOJ
400 mil SOJ
400 mil SOJ
400 mil SOJ
Access Time
8 ns
10 ns
12 ns
15 ns
8 ns
10 ns
12 ns
15 ns
8 ns
10 ns
12 ns
15 ns
8 ns
10 ns
12 ns
15 ns
Temp. Range
Commercial
Commercial
Commercial
Commercial
Industrial
Industrial
Industrial
Industrial
Commercial
Commercial
Commercial
Commercial
Industrial
Industrial
Industrial
Industrial
GS74108TP/J
Status
* Customers requiring delivery in Tape and Reel should add the character “T” to the end of the part number. For example: GS74108TP-8T
Rev: 1.06 7/2000
11/12
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 1999, Giga Semiconductor, Inc.
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet GS74108J.PDF ] |
Número de pieza | Descripción | Fabricantes |
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