GS74117AX-7I GSI [GSI Technology], GS74117AX-7I Datasheet

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GS74117AX-7I

Manufacturer Part Number
GS74117AX-7I
Description
256K x 16 4Mb Asynchronous SRAM
Manufacturer
GSI [GSI Technology]
Datasheet
FP-BGA
Commercial Temp
Industrial Temp
Features
• Fast access time: 7, 8, 10, 12 ns
• CMOS low power operation: 150/130/105/95 mA at
• 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:
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
Rev: 1.02 10/2002
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
minimum cycle time
X: 6 mm x 10 mm Fine Pitch Ball Grid Array
package
DQ
Symbol
A
V
0
1
V
WE
CE
UB
OE
NC
LB
–A
–DQ
DD
SS
17
16
Lower byte enable input
Upper byte enable input
4Mb Asynchronous SRAM
+3.3 V power supply
Output enable input
Write enable input
Chip enable input
Data input/output
Description
(DQ9 to DQ16)
(DQ1 to DQ8)
Address input
No connect
Ground
256K x 16
1/12
Fine Pitch BGA 256K x 16 Bump Configuration
A
B
C
D
E
G
H
F
DQ
DQ
V
DQ
DQ
V
NC
LB
DD
1
SS
1
3
6
8
6 x 10 mm Bump Pitch
DQ
DQ
DQ
DQ
A
OE
UB
NC
2
12
2
4
5
7
Package X
Top View
A
A
A
NC
A
A
A
A
3
17
10
13
0
3
5
8
© 2001, Giga Semiconductor, Inc.
Center V
A
A
A
A
A
A
A
A
4
16
11
14
1
4
6
7
9
DQ
DQ
DQ
DQ
A
WE
CE
A
5
15
7, 8, 10, 12 ns
2
15
13
12
10
GS74117AX
DD
DQ
DQ
DQ
V
DQ
V
NC
NC
DD
3.3 V V
6
SS
16
14
11
9
and V
DD
SS

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GS74117AX-7I Summary of contents

Page 1

... V power supply Rev: 1.02 10/2002 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. 256K x 16 Fine Pitch BGA 256K x 16 Bump Configuration Address input Ground No connect 1/12 GS74117AX Center ...

Page 2

... L Read L H Read H L High Write L H Write H L Not Write, High High High Z 2/12 GS74117AX Current Not Selected ISB , ISB 1 Read High Z Read Write I DD Not Write, High Z Write High Z High Z © 2001, Giga Semiconductor, Inc. ...

Page 3

... V max.) PD 0.7 T –55 to 150 STG Symbol Min Typ V 3.0 3 2.0 — –0.3 — — –40 — and not exceed 20 ns. DD 3/12 GS74117AX Unit Max Unit © 2001, Giga Semiconductor, Inc. ...

Page 4

... — 70° 150 130 105 – 0 4/12 GS74117AX Unit Max — 0.4 V –40 to 85° 160 140 115 © ...

Page 5

... Rev: 1.02 10/2002 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Conditions V/ns 1.4 V 1.4 V Fig. 1& 2 5/12 GS74117AX Output Load 30pF 1.4 V Output Load 2 3.3 V 589 DQ 1 434 5pF © 2001, Giga Semiconductor, Inc. ...

Page 6

... BLZ * — 3.5 — — 3 — t OHZ * — 3 — t BHZ , UB and Previous Data 6/12 GS74117AX -8 -10 -12 Max Min Max Min Max — 10 — 12 — 8 — 10 — — 10 — 12 3.5 — 4 — 5 3.5 — 4 — 5 — ...

Page 7

... GS74117AX tHZ tBHZ tOHZ Data valid -10 -12 Max Min Max Min Max — 10 — 12 — — 7 — 8 — — 7 — 8 — — 7 — 8 — — ...

Page 8

... Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. tWC tAW tCW tBW tAS tWP tDW Data valid tWHZ High impedance tWC tAW tAS tCW tBW tWP tDW tDH Data valid High impedance 8/12 GS74117AX tWR tDH tWLZ tWR1 © 2001, Giga Semiconductor, Inc. ...

Page 9

... Write Cycle 3: UB, LB control Address Data In Data Out Rev: 1.02 10/2002 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. tWC tAW tAS tCW tBW tWP tDW tDH Data valid High impedance 9/12 GS74117AX tWR1 © 2001, Giga Semiconductor, Inc. ...

Page 10

... Index Rev: 1.02 10/2002 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com Top View Side View aaa Bottom View 10/12 GS74117AX Symbol Unit 1.10±0.10 A1 0.20~0. 0.30~0.40 c 0.36(TYP) D 10.0±0.05 D1 5.25 E 6.0±0.05 E1 3.75 e ...

Page 11

... Part Number GS74117AX BGA GS74117AX BGA GS74117AX- BGA GS74117AX- BGA GS74117AX- BGA GS74117AX- BGA GS74117AX-10I BGA GS74117AX-12I BGA * 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 ...

Page 12

... Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. • Creation of new datasheet Format/Content • Updated Recommended Operating Conditions table on page 3 Content • Updated Read Cycle and Write Cycle AC Characteristics tables • Removed 6 ns speed bin from entire document Content 12/12 GS74117AX Page #/Revisions/Reason © 2001, Giga Semiconductor, Inc. ...

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