gs78108a GSI Technology, gs78108a Datasheet

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gs78108a

Manufacturer Part Number
gs78108a
Description
8mb Asynchronous Sram
Manufacturer
GSI Technology
Datasheet
BGA
Commercial Temp
Industrial Temp
Features
• Fast access time: 8, 10, 12 ns
• CMOS low power operation: 240/190/170 mA at minimum
• 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
• 14 mm x 22 mm, 119-bump, 1.27 mm Pitch Ball Grid Array
• RoHS-compliant package available
Description
The GS78108A is a high speed CMOS Static RAM organized
as 1,048,576-words by 8-bits. Static design eliminates the need
for external clocks or timing strobes. The GS78108operates on
a single 3.3 V power supply, and all inputs and outputs are
TTL-compatible. The GS7810A8 is available in a
14 mm x 22 mm BGA package.
Rev: 1.04 5/2006
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
cycle time
package
WE
CE
OE
A
A
0
19
8Mb Asynchronous SRAM
Address
Control
Buffer
Input
Decoder
Block Diagram
1/11
Row
1M x 8
Memory Array
DQ
I/O Buffer
Column
Decoder
DQ
1
Symbol
A
0
1
V
WE
V
CE
OE
NC
to A
to DQ
DD
SS
DQ
19
8
8
Pin Descriptions
+3.3 V power supply
Output enable input
Write enable input
Chip enable input
Data input/output
Description
Address input
No connect
© 2003, GSI Technology
Ground
GS78108AB
8, 10, 12 ns
3.3 V V
DD

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gs78108a Summary of contents

Page 1

... Pitch Ball Grid Array package • RoHS-compliant package available Description The GS78108A is a high speed CMOS Static RAM organized as 1,048,576-words by 8-bits. Static design eliminates the need for external clocks or timing strobes. The GS78108operates on a single 3.3 V power supply, and all inputs and outputs are TTL-compatible ...

Page 2

... and assure compatibility with future versions 2/11 GS78108AB ...

Page 3

... IN V OUT PD T STG Symbol Min –0 – and not exceed 20 ns. DD 3/11 GS78108AB V Current DD ISB1, ISB2 — — Rating Unit –0.5 to +4.6 V –0 +0 (≤ 4.6 V max.) –0 +0 (≤ 4.6 V max.) 1 –55 to 150 ...

Page 4

... All other inputs ≥ 0.2V or ≤ 0.2V DD 4/11 Max = Min –2 uA –1 uA 2.4 –40 to 85° 130 mA 115 mA 180 mA 150 © 2003, GSI Technology GS78108AB Unit pF pF Max 0 135 ...

Page 5

... AA t — — OLZ * — — t OHZ 5/11 GS78108AB Output Load 1 DQ 50Ω 1.4 V Output Load 2 3.3 V 589Ω 434Ω 5pF -10 -12 Max Min Max Min Max — 10 — — 10 — 8 — ...

Page 6

... GS78108AB Data valid -10 -12 Min Max Min Max 10 — 12 — 7 — 8 — 7 — 8 — 5 — 6 — 0 — 0 — 7 — 8 — 0 — ...

Page 7

... Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Write Cycle 1: WE Controlled Data valid t WHZ High impedance Write Cycle 2: CE Controlled Data valid High impedance 7/11 GS78108AB WLZ t WR1 t DH © 2003, GSI Technology ...

Page 8

... Rev: 1.04 5/2006 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. (Date Code: yyww.31) BOTTOM VIEW Ø0. Ø0. Ø1.00(3x) REF 0.20(4x) 8/11 GS78108AB ) A1 Ø0.60~0.90 (119x ...

Page 9

... Rev: 1.04 5/2006 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. (Date Code: yyww.3H) BOTTOM VIEW Ø0. Ø0. Ø0.60~0.90 (119x 0.20(4x) 9/11 GS78108AB ) ...

Page 10

... BGA 2 Notes: 1. Customers requiring delivery in Tape and Reel should add the character “T” to the end of the part number. For example: GS78108AB-12T 2. Please see pages 8 and 9 for date code information for Variation 1 and Variation 2 of the 119-bump BGA. Rev: 1.04 5/2006 Specifications cited are subject to change without notice ...

Page 11

... Types of Changes New Format or Content GS78108AB_r1 GS78108AB_r1_01 GS78108AB_r1_01; GS78108AB_r1_02 GS78108AB_r1_02; GS78108AB_r1_03 GS78108AB_r1_03; GS78108AB_r1_04 Rev: 1.04 5/2006 Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. • Creation of new datasheet • Added AC specifications to datasheet Content • Updated format Content/Format • ...

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