IDT2308
3.3VZERODELAYCLOCKMULTIPLIER
COMMERCIALANDINDUSTRIALTEMPERATURERANGES
TYPICAL DUTY CYCLE(1) AND IDD TRENDS(2) FOR IDT2308-1H, -2H, AND -5H
Duty Cycle vs VDD
Duty Cycle vs VDD
(for 30pf loads over frequency - 3.3V, 25C)
(for 15pF loads over frequency - 3.3V, 25C)
60
58
56
60
58
56
54
52
54
52
33MHz
33MHz
50
48
46
44
50
48
46
44
66MHz
100MHz
66MHz
100MHz
133MHz
42
40
42
40
3
3.4
3
3.4
3.1
3.3
3.5
3.6
3.1
3.3
3.5
3.6
3.2
3.2
VDD (V)
VDD (V)
Duty Cycle vs Frequency
(for 30pf loads over temperature - 3.3V)
Duty Cycle vs Frequency
(for 15pF loads over temperature - 3.3V)
60
58
56
60
58
56
54
52
54
52
-40C
-40C
0C
25C
70C
85C
50
48
46
44
0C
50
48
46
44
25C
70C
85C
42
40
42
40
20
40
80
100
120
140
60
20
40
80
100
120
140
60
Frequency (MHz)
Frequency (MHz)
IDD vs Number of Loaded Outputs
(for 30pf loads over frequency - 3.3V, 25C)
IDD vs Number of Loaded Outputs
(for 15pF loads over frequency - 3.3V, 25C)
160
140
160
140
120
120
100
80
100
80
33MHz
66MHz
100MHz
33MHz
66MHz
100MHz
60
60
40
20
0
40
20
0
0
2
4
8
0
2
6
4
8
6
Number of Loaded Outputs
Number of Loaded Outputs
NOTES:
1. Duty Cycle is taken from typical chip measured at 1.4V.
2. IDD data is calculated from IDD = ICORE + nCVf, where ICORE is the Unloaded Current (n = Number of Outputs; C = Capacitance Load per Output (F); V = Voltage Supply(V);
f = Frequency (Hz).
11
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