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PDF GS74117AX Data sheet ( Hoja de datos )
| Número de pieza | GS74117AX | |
| Descripción | 256K x 16 4Mb Asynchronous SRAM | |
| Fabricantes | GSI Technology | |
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FP-BGA
Commercial Temp
Industrial Temp
256K x 16
4Mb Asynchronous SRAM
GS74117AX
8, 10, 12 ns
3.3 V VDD
Center VDD and VSS
Features
• Fast access time: 8, 10, 12 ns
• CMOS low power operation: 130/105/95 mA at minimum
cycle time
• Single 3.3 V power supply
• All inputs and outputs are TTL-compatible
• Byte control
• Fully static operation
• Industrial Temperature Option: –40° to 85°C
• Package:
X: 6 mm x 10 mm Fine Pitch Ball Grid Array package
GX: Pb-Free 6 mm x 10 mm Fine Pitch Ball Grid Array
package
Description
The GS74117A is a high speed CMOS Static RAM organized
as 262,144 words by 16 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 GS74117A is available in a 6 x 10 mm Fine
Pitch BGA package.
Pin Descriptions
Symbol
A0–A17
DQ1–DQ16
CE
LB
UB
WE
OE
VDD
VSS
NC
Description
Address input
Data input/output
Chip enable input
Lower byte enable input
(DQ1 to DQ8)
Upper byte enable input
(DQ9 to DQ16)
Write enable input
Output enable input
+3.3 V power supply
Ground
No connect
Fine Pitch BGA 256K x 16 Bump Configuration
123456
A LB OE A0 A1 A2 NC
B DQ1 UB A3 A4 CE DQ16
C DQ3 DQ2 A5 A6 DQ15 DQ14
D VSS DQ4 A17 A7 DQ13 VDD
E VDD DQ5 NC A16 DQ12 VSS
F DQ6 DQ7 A8 A9 DQ10 DQ11
G DQ8 NC A10 A11 WE DQ9
H NC A12 A13 A14 A15 NC
Package X
6 x 10 mm Bump Pitch
Top View
Rev: 1.05 12/2004
1/12
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2001, GSI Technology
1 page  
AC Test Conditions
Parameter
Conditions
Input high level
Input low level
Input rise time
Input fall time
Input reference level
Output reference level
Output load
VIH = 2.4 V
VIL = 0.4 V
tr = 1 V/ns
tf = 1 V/ns
1.4 V
1.4 V
Fig. 1& 2
Notes:
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
GS74117AX
Output Load 1
DQ
50Ω 30pF1
VT = 1.4 V
Output Load 2
3.3 V
DQ 589Ω
5pF1 434Ω
Rev: 1.05 12/2004
5/12
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2001, GSI Technology
5 Page 
GS74117AX
Ordering Information
Part Number*
Package
Access Time
Temp. Range
Status
GS74117AX-8
6 mm x 10 mm BGA
8 ns
Commercial
GS74117AX-10
6 mm x 10 mm BGA
10 ns
Commercial
GS74117AX-12
6 mm x 10 mm BGA
12 ns
Commercial
GS74117AX-8I
6 mm x 10 mm BGA
8 ns
Industrial
GS74117AX-10I
6 mm x 10 mm BGA
10 ns
Industrial
GS74117AX-12I
6 mm x 10 mm BGA
12 ns
Industrial
GS74117AGX-8
Pb-free 6 mm x 10 mm BGA
8 ns
Commercial
GS74117AGX-10
Pb-free 6 mm x 10 mm BGA
10 ns
Commercial
GS74117AGX-12
Pb-free 6 mm x 10 mm BGA
12 ns
Commercial
GS74117AGX-8I
Pb-free 6 mm x 10 mm BGA
8 ns
Industrial
GS74117AGX-10I
Pb-free 6 mm x 10 mm BGA
10 ns
Industrial
GS74117AGX-12I
Pb-free 6 mm x 10 mm BGA
12 ns
Industrial
* Customers requiring delivery in Tape and Reel should add the character “T” to the end of the part number. For example: GS74117AX-8T
Rev: 1.05 12/2004
11/12
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2001, GSI Technology
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet GS74117AX.PDF ] | |
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