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GS81282Z36GB-250I Datasheet, PDF (20/35 Pages) GSI Technology – 144Mb Pipelined and Flow Through Synchronous NBT SRAM | |||
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GS81282Z18/36(GB/GD)
AC Electrical Characteristics
Parameter
Symbol
-400
Min Max
-333
Min Max
-250
Min Max
-200
Min Max
Clock Cycle Time
tKC
2.5 â 3.0 â 4.0 â 5.0 â ns
Clock to Output Valid
tKQ
â 2.5 â 2.5 â 2.5 â 3.0 ns
Pipeline
Clock to Output Invalid
Clock to Output in Low-Z
tKQX
1.5 â 1.5 â 1.5 â 1.5 â ns
tLZ1
1.5 â 1.5 â 1.5 â 1.5 â ns
Setup time
tS
0.9 â 1.0 â 1.2 â 1.4 â ns
Hold time
tH
0.1 â 0.1 â 0.2 â 0.4 â ns
Clock Cycle Time
tKC
4.0 â 4.5 â 5.5 â 6.5 â ns
Clock to Output Valid
tKQ
â 4.0 â 4.5 â 5.5 â 6.5 ns
Flow
Through
Clock to Output Invalid
Clock to Output in Low-Z
tKQX
2.0 â 2.0 â 2.0 â 2.0 â ns
tLZ1
2.0 â 2.0 â 2.0 â 2.0 â ns
Setup time
tS
1.2 â 1.3 â 1.5 â 1.5 â ns
Hold time
tH
0.2 â 0.3 â 0.5 â 0.5 â ns
Clock HIGH Time
tKH
0.9 â 1.0 â 1.3 â 1.3 â ns
Clock LOW Time
tKL
1.1 â 1.2 â 1.5 â 1.5 â ns
Clock to Output in
High-Z
tHZ1
1.5 2.5 1.5 2.5 1.5 2.5 1.5 3.0 ns
G to Output Valid
tOE
â 2.5 â 2.5 â 2.5 â 3.0 ns
G to output in Low-Z
tOLZ1
0
â
0
â
0
â
0
â ns
G to output in High-Z
tOHZ1
â 2.5
â 2.5 â 2.5 â
3.0 ns
ZZ setup time
tZZS2
5
â
5
â
5
â
5
â ns
ZZ hold time
tZZH2
1
â
1
â
1
â
1
â ns
ZZ recovery
tZZR
20 â 20 â 20 â 20 â ns
Notes:
1. These parameters are sampled and are not 100% tested.
2. ZZ is an asynchronous signal. However, in order to be recognized on any given clock cycle, ZZ must meet the specified setup and hold
times as specified above.
Rev: 1.01 5/2017
20/34
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2015, GSI Technology
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