
9
COMMERCIALANDINDUSTRIALTEMPERATURERANGES
IDT2309
3.3VZERODELAYCLOCKBUFFER
TYPICALDUTYCYCLE(1)AND IDD TRENDS(2)FOR IDT2309-1H
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 = Supply Voltage (V);
f = Frequency (Hz))
3
3.1
3.2
3.3
3.4
3.5
3.6
VDD (V)
40
42
44
46
48
50
52
54
56
58
60
Duty Cycle vs VDD
(for 30pf loads over frequency - 3.3V, 25C)
33M H z
66M H z
100M Hz
D
u
ty
C
y
c
le
(%
)
3
3.1
3.2
3.3
3.4
3.5
3.6
VDD (V)
40
42
44
46
48
50
52
54
56
58
60
Duty Cycle vs V DD
(for 10pF loads over frequency - 3.3V, 25C )
33M H z
66M H z
100M H z
20
40
60
80
100
120
140
Frequency (M H z)
40
42
44
46
48
50
52
54
56
58
60
D uty Cycle vs Frequency
(for 30pf loads over tem perature - 3.3V)
-40C
0C
25C
70C
85C
D
u
ty
C
y
c
le
(%
)
D
u
ty
C
y
c
le
(%
)
133M H z
20
40
60
80
100
120
140
Frequency (M Hz)
40
42
44
46
48
50
52
54
56
58
60
D uty C ycle vs Frequen cy
(for 10pF loads ove r tem perature - 3.3V)
-40C
0C
25C
70C
85C
D
u
ty
C
y
c
le
(%
)
02
4
6
8
N um ber of Loaded O utputs
0
20
40
60
80
100
120
140
IDD vs N um ber of Loaded O utputs
(for 30pf loads over frequency - 3.3V, 25C)
33M H z
66M H z
100M Hz
ID
D
(m
A
)
02
4
6
8
Num ber of Loaded O utputs
0
20
40
60
80
100
120
140
IDD vs N u m ber of Loade d O utputs
(for 10pF load s over freque ncy - 3.3V, 2 5C )
33M H z
66M H z
100M H z
ID
D
(m
A
)
160