GS8182Q18D Datasheet, PDF (17/28 Pages) GSI Technology – 18Mb Burst of 2 SigmaQuad-II SRAM

Preliminary
GS8182Q18D-200/167/133
AC Electrical Characteristics
Parameter
Symbol
-200
Min Max
-167
Min Max
K, K Clock Cycle Time
C, C Clock Cycle Time
t_KHKH
t_CHCH
5.0 7.88 6.0 7.88
K, K Clock High Pulse Width
C, C Clock High Pulse Width
t_KHKL
t_CHCL
2.0
—
2.4
—
K, K Clock Low Pulse Width
C, C Clock Low Pulse Width
K to K High
C to C High
tKC Variable
t_KLKH
t_CLCH
t_KHKH
t_KCVar
2.0
—
2.4
—
2.2 2.75 2.7 3.3
0.2
—
0.2
—
K, K Clock High to C, C Clock High
t_KHCH
0
2.3
0
2.8
Address Input Setup Time
t_AVKH
0.4
—
0.5
—
Address Input Hold Time
t_KHAX
0.4
—
0.5
—
Control Input Setup Time
t_BVKH
0.4
—
0.5
—
Control Input Hold Time
t_KHBX
0.4
—
0.5
—
Data Input Setup Time
t_DVKH
0.4
—
0.5
—
Data Input Hold Time
t_KHDX
0.4
—
0.5
—
K, K Clock High to Data Output Valid
C, C Clock High to Data Output Valid
t_KHQV
t_CHQV
—
0.45 —
0.5
K, K Clock High to Data Output Hold
C, C Clock High to Data Output Hold
t_KHQX
t_CHQX
–0.45 — –0.5 —
K Clock High to Data Output Low-Z
C Clock High to Data Output Low-Z
t_KHQX1
t_CHQX1
–0.45 — –0.5 —
K Clock High to Data Output High-Z
C Clock High to Data Output High-Z
t_KHQZ
t_CHQZ
—
0.45 —
0.5
K, K Clock High to Echo Clock Valid
C, C Clock High to Echo Clock Valid
t_KHCQV
t_CHCQV
—
0.45 —
0.5
K, K Clock High to Echo Clock Invalid
C, C Clock High to Echo Clock Invalid
t_KHCQX
t_CHCQX
–0.45 — –0.5 —
C, CQ High to Output Valid
t_CQHQV
—
0.35 —
0.4
C, CQ High to Output Invalid
t_CQHQX
–0.35 — –0.4 —
Notes:
1. These parameters apply to control inputs R and W.
2. These parameters are guaranteed by design and characterization. Not 100% tested.
3. These parameters are measured at ±50mV from steady state voltage.
4. t_KHKH Max is specified by t_KHKH Min. t_CHCH Max is specified by t_CHCH Min.
-133
Min Max
7.5 8.40
3.0
—
3.0
—
3.38 4.13
0.2
—
0
3.5
0.5
—
0.5
—
0.5
—
0.5
—
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
0.2
—
ns
ns
ns
ns
1
ns
1
ns
ns
ns
ns
2
ns
2,3
ns
2,3
ns
2
ns
2
ns
2
ns
2
Rev: 1.02 11/2004
17/28
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2003, GSI Technology