AMERICAN MICROSYSTEMS, INC.
November 2000
ISO9001
QS9000
5
FS612509-01/-02
1:9 Zero-Delay Clock Buffer IC
Table 5: DC Electrical Specifications
Unless otherwise stated, all power supplies = 3.3V, no load on any output, and ambient temperature range T
A
= 0°C to 70°C. Parameters denoted with an asterisk ( * ) represent nominal characteri-
zation data and are not currently production tested to any specific limits. MIN and MAX characterization data are
±
3
σ
from typical. Negative currents indicate current flows out of the device.
PARAMETER
SYMBOL
CONDITIONS/DESCRIPTION
MIN.
TYP.
MAX.
UNITS
Overall
Supply Current, Dynamic
Supply Current, Static
f
CLK
= 133.33MHz; V
DD
= 3.3V
Outputs low; V
DD
= 3.3V
130
3
mA
mA
I
DDL
Output Enable Input (1G, 2G)
High-Level Input Voltage
Low-Level Input Voltage
Input Leakage Current
V
IH
V
IL
I
I
2.0
V
DD
+0.3
0.8
5
V
V
μ
A
V
SS
-0.3
-5
Clock Inputs (CLK, FBIN)
High-Level Input Voltage
Low-Level Input Voltage
V
IH
V
IL
2.0
V
DD
+0.3
0.8
5
V
V
V
SS
-0.3
-5
-01 version
-02 version has a pull-down on CLK
As seen by an external clock driver
Input Leakage Current
I
I
28
4
μ
A
Input Loading Capacitance *
C
L(in)
pF
Clock Outputs (1Y0:4, 2Y0:3, FBOUT)
V
DD
= 2.9V, V
O
= 2.0V
V
DD
= 3.7V, V
O
= 2.0V
V
DD
= 2.9V, V
O
= 0.8V
V
DD
= 3.7V, V
O
= 0.8V
-18
-35
16
17
33
-12
-12
High-Level Output Source Current
I
OH
mA
12
12
Low-Level Output Sink Current
I
OL
mA
Output Impedance
z
O
I
OZ
I
OSH
I
OSL
μ
A
mA
mA
Tristate Output Current
Short Circuit Source Current *
Short Circuit Sink Current *
-10
10
V
O
= 0V; shorted for 30s, max.
V
O
= 3.3V; shorted for 30s, max.
-60
90
Table 6: Clock Output Drive (1Y0:4, 2Y0:3, FBOUT)
Voltage
Low Drive Current (mA)
High Drive Current (mA)
0.1 V
0.2 V
0.4 V
0.6 V
0.8 V
1.0 V
1.2 V
1.4 V
1.6 V
1.8 V
2.0 V
2.2 V
2.4 V
2.6 V
2.8 V
3.0 V
3.3 V
3.6 V
-47
-45
-43
-40
-38
-35
-32
-29
-26
-22
-18
-15
-10
-6
-2
0
-59
-58
-56
-55
-52
-50
-47
-45
-41
-38
-35
-31
-28
-24
-20
-15
-9
-2
2
4
8
12
16
20
24
27
31
34
38
41
43
45
48
49
2
4
9
13
17
21
25
29
33
36
40
43
46
49
51
53
56
59
-60
-45
-30
-15
0
15
30
45
60
0
0.5
1
1.5
2
2.5
3
3.5
Output Voltage (V)
O
30
50
90