GS8256436GD-200IV Datasheet, PDF (18/33 Pages) GSI Technology – 16M x 18, 8M x 36 288Mb DCD Sync Burst SRAMs

GS8256418/36(GB/GD)-xxxV
AC Electrical Characteristics
Parameter
Symbol
-333
Min Max
-250
Min Max
-200
Min Max
Clock Cycle Time
tKC
3.0
—
4.0
—
5.0
— ns
Clock to Output Valid
tKQ
—
2.5
—
2.5
—
3.0 ns
Pipeline
Clock to Output Invalid
Clock to Output in Low-Z
tKQX
1.5
—
1.5
—
1.5
— ns
tLZ¹
1.5
—
1.5
—
1.5
— ns
Setup time
tS
1.0
—
1.2
—
1.4
— ns
Hold time
tH
0.1
—
0.2
—
0.4
— ns
Clock Cycle Time
tKC
4.5
—
5.5
—
6.5
— ns
Clock to Output Valid
tKQ
—
4.5
—
5.5
—
6.5 ns
Flow Through
Clock to Output Invalid
Clock to Output in Low-Z
tKQX
2.0
—
2.0
—
2.0
— ns
tLZ¹
2.0
—
2.0
—
2.0
— ns
Setup time
tS
1.3
—
1.5
—
1.5
— ns
Hold time
tH
0.3
—
0.5
—
0.5
— ns
Clock HIGH Time
tKH
1.0
—
1.3
—
1.3
— ns
Clock LOW Time
tKL
1.2
—
1.5
—
1.5
— ns
Clock to Output in
High-Z
tHZ¹
1.5
2.5
1.5
2.5
1.5
3.0 ns
G to Output Valid
tOE
—
2.5
—
2.5
—
3.0 ns
G to output in Low-Z
tOLZ¹
0
—
0
—
0
— ns
G to output in High-Z
tOHZ¹
—
2.5
—
2.5
—
3.0 ns
ZZ setup time
tZZS²
5
—
5
—
5
— ns
ZZ hold time
tZZH²
1
—
1
—
1
— ns
ZZ recovery
tZZR
20
—
20
—
20
— ns
Notes:
1. These parameters are sampled and are not 100% tested.
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: 1.03 5/2017
18/32
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2015, GSI Technology