GS8182S18D Datasheet, PDF (16/31 Pages) GSI Technology – 18Mb Burst of 2 DDR SigmaSIO-II SRAM

GS8182S18D-267/250/200/167
AC Electrical Characteristics
Parameter
Symbol
-267
Min Max
-250
Min Max
-200
Min Max
K Clock Cycle Time
C Clock Cycle Time
t_KHKH
t_CHCH
3.75 6.3
4.0
6.3
5.0 7.88
K Clock High Pulse Width
C Clock High Pulse Width
t_KHKL
t_CHCL
1.6
—
1.6
—
2.0
—
K Clock Low Pulse Width
C Clock Low Pulse Width
t_KLKH
t_CLCH
1.6
—
1.6
—
2.0
—
Clock to Clock Delay
t_KHKH
t_CHCH
1.8
—
1.8
—
2.3
—
Address Input Setup Time
t_AVKH
0.5
—
0.5
—
0.6
—
Address Input Hold Time
t_KHAX
0.5
—
0.5
—
0.6
—
Control Input Setup Time
t_BVKH
0.5
—
0.5
—
0.6
—
Control Input Hold Time
t_KHBX
0.5
—
0.5
—
0.6
—
Data and Byte Write Input Setup Time
t_DVKH
0.35
—
0.35
—
0.4
—
Data and Byte Write Input Hold Time
t_KHDX
0.35
—
0.35
—
0.4
—
K Clock High to Data Output Valid
C Clock High to Data Output Valid
t_KHQV
t_CHQV
—
0.45
—
0.45
—
0.45
K Clock High to Data Output Hold
C Clock High to Data Output Hold
t_KHQX
t_CHQX
–0.45
—
–0.45
—
–0.45 —
K Clock High to Data Output Low-Z
C Clock High to Data Output Low-Z
t_KHQX1
t_CHQX1
–0.45
—
–0.45
—
–0.45
—
K Clock High to Data Output High-Z
C Clock High to Data Output High-Z
t_KHQZ
t_CHQZ
—
0.45
—
0.45
—
0.45
K Clock High to CQ Clock High
C Clock High to CQ Clock High
t_KHCQV
t_CHCQV
—
0.45
—
0.45
—
0.45
K Clock High to CQ Clock Hold
C Clock High to CQ Clock Hold
t_KHCQX
t_CHCQX
–0.45
—
–0.45
—
–0.45
—
CQ Clock High to Data Output Valid
t_CQHQV
—
0.3
—
0.3
— 0.35
CQ Clock High to Data Output Hold
t_CQHQX
–0.3
—
–0.3
— –0.35 —
Notes:
1. These parameters apply to control inputs R and W.
2. These parameters are guaranteed by design through extensive corner lot characterization.
3. These parameters are measured at ±50 mV from steady state voltage.
-167
Min Max
6.0 8.4
2.4
—
2.4
—
2.8
—
0.7
—
0.7
—
0.7
—
0.7
—
0.5
—
0.5
—
—
0.5
–0.5 —
–0.5 —
—
0.5
—
0.5
–0.5 —
—
0.4
–0.4 —
Units Notes
ns
ns
ns
ns
ns
ns
ns
1
ns
1
ns
ns
ns
ns
2
ns
2,3
ns
2,3
ns
ns
2
ns
2
ns
2
Rev: 1.08a 8/2005
16/31
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2003, GSI Technology