11257-801 AMI Semiconductor, Inc., 11257-801 Datasheet - Page 13

• Manufacturer Part Number: 11257-801
• Description: Low-Skew Clock Fanout Buffer ICs
• Manufacturer: AMI Semiconductor, Inc.

January 1999
Figure 15: SDRAM_0:17 Clock Output (3.3V Type 4 Clock Buffer)
Figure 16: DC Measurement Points
Figure 17: Clock Skew Measurement Point
Voltage
3.135
0.65
0.85
1.65
1.95
(V)
0.4
1.4
1.5
1.8
3.6
0
1
Low Drive Current (mA)
MIN.
23
35
43
49
61
64
67
70
72
72
0
V
V
OH 3.3
OL 3.3
interface)
(device
TYP.
103
108
112
112
112
34
52
65
74
93
98
= 2.4V
= 0.4V
0
1.5V
1.5V
1.5V
MAX.
t
skw
104
118
152
159
168
177
184
204
204
53
83
0
3.3V
3.3V
interface)
(system
Voltage
3.3V
V
V
3.135
3.465
1.65
IH 3.3
IL 3.3
1.4
1.5
1.8
2.4
2.6
3.3
(V)
0
1
2
= 0.8V
= 2.0V
High Drive Current (mA)
MIN.
-72
-72
-68
-67
-64
-60
-54
-39
-30
0
TYP.
-116
-116
-110
-107
-103
-98
-90
-69
-56
-15
0
13
MAX.
Figure 18: Timing Measurement Points
-198
-198
-188
-184
-177
-170
-157
-126
-107
-46
-23
0

6
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Ã
‡

r
…
…
ˆ
8
Ã
‡
ˆ
ƒ
‡
ˆ
P
-100
-120
-140
-160
-180
-200
-220
220
200
180
160
140
120
100
-20
-40
-60
-80
t
80
60
40
20
PHZ
0
t
r
0
t
KH
0.5
50%
Duty Cycle
10%
90%
KP
1
t
PLZ
50%
1.5
t
f
t
KL
2
50%
50%
2.5
V
V
V
V
t
t
DD
SS
OL
PZL
OH
PHZ
3
2.4V
1.5V
0.4V
3.5
MIN.
TYP.
MAX.
1.13.99
4