GS8662Q18GE-250 GSI TECHNOLOGY, GS8662Q18GE-250 Datasheet - Page 21

• Manufacturer Part Number: GS8662Q18GE-250
• Manufacturer: GSI TECHNOLOGY

AC Electrical Characteristics
Rev: 1.08 12/2007
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Clock
K, K Clock Cycle Time
C, C Clock Cycle Time
tKC Variable
K, K Clock High Pulse Width
C, C Clock High Pulse Width
K, K Clock Low Pulse Width
C, C Clock Low Pulse Width
K to K High
C to C High
K to K High
C to C High
K, K Clock High to C, C Clock High
DLL Lock Time
K Static to DLL reset
Output Times
K, K Clock High to Data Output Valid
C, C Clock High to Data Output Valid
K, K Clock High to Data Output Hold
C, C Clock High to Data Output Hold
K, K Clock High to Echo Clock Valid
C, C Clock High to Echo Clock Valid
K, K Clock High to Echo Clock Hold
C, C Clock High to Echo Clock Hold
CQ, CQ High Output Valid
CQ, CQ High Output Hold
CQ Phase Distortion
K Clock High to Data Output High-Z
C Clock High to Data Output High-Z
K Clock High to Data Output Low-Z
C Clock High to Data Output Low-Z
Setup Times
Address Input Setup Time
Control Input Setup Time
Data Input Setup Time
Parameter
Symbol
t
t
t
t
t
t
t
CQHCQH
CQHCQH
t
t
t
t
t
KCReset
t
t
t
t
t
CHCQV
CHCQX
CQHQV
CQHQX
t
t
t
t
t
t
t
KCLock
t
t
KHCQV
KHCQX
t
t
KHQX1
CHQX1
t
t
t
t
CHCH
KCVar
CHCH
CHCH
CHQV
CHQX
t
KHKH
CHCL
CLCH
KHKH
KHKH
KHCH
KHQV
KHQX
KHQZ
CHQZ
AVKH
DVKH
KHKL
KLKH
IVKH
–0.45
–0.45
–0.27
–0.45
1024
Min
1.32
1.32
1.49
1.49
1.24
3.6
0.3
0.3
0.3
30
—
—
—
—
—
0
-278
21/35
Max
1.45
0.45
0.45
0.27
0.45
8.4
0.2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
–0.45
–0.45
–0.30
–0.45
1024
Min
1.55
0.35
0.35
0.35
4.0
1.6
1.6
1.8
1.8
30
—
—
—
—
—
0
-250
Max
0.45
0.45
0.30
0.45
8.4
0.2
1.8
—
—
—
—
—
—
—
—
—
—
—
—
—
—
GS8662Q08/09/18/36E-278/250/200/167
–0.45
–0.45
–0.35
–0.45
1024
Min
1.95
5.0
2.0
2.0
2.2
2.2
0.4
0.4
0.4
30
—
—
—
—
—
0
-200
Max
0.45
0.45
0.35
0.45
8.4
0.2
2.3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
–0.40
1024
Min
–0.5
–0.5
2.45
–0.5
6.0
2.4
2.4
2.7
2.7
0.5
0.5
0.5
—
30
—
—
—
—
0
-167
Max
0.40
8.4
0.2
2.8
0.5
0.5
0.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
© 2005, GSI Technology
Units
cycle
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
5
6
3
3
7
7
3
3
2