IDT2305-1 IDT [Integrated Device Technology], IDT2305-1 Datasheet - Page 8

• Manufacturer Part Number: IDT2305-1
• Description: 3.3V ZERO DELAY CLOCK BUFFER
• Manufacturer: IDT [Integrated Device Technology]

NOTES:
1. Duty Cycle is taken from typical chip measured at 1.4V.
2. I
TYPICAL DUTY CYCLE
IDT2305
3.3V ZERO DELAY CLOCK BUFFER
V = Supply Voltage (V); f = Frequency (Hz))
140
120
100
DD
44
42
40
44
40
60
56
52
46
42
40
80
60
20
58
54
50
48
60
58
56
54
52
50
48
46
0
data is calculated from I
3
0
20
(for 30pf loads over frequency - 3.3V, 25C)
(for 30pf loads over frequency - 3.3V, 25C)
(for 30pf loads over temperature - 3.3V)
3.1
40
Number of Loaded Outputs
I
DD
vs Number of Loaded Outputs
Duty Cycle vs Frequency
2
3.2
60
Duty Cycle vs V
Frequency (MHz)
DD
= I
V
3.3
80
CORE
DD
4
(V)
+ nCVf, where I
DD
3.4
100
(1)
6
3.5
120
AND I
CORE
is the unloaded current. (n = Number of outputs; C = Capacitance load per output (F);
3.6
140
8
DD
33M H z
33M H z
TRENDS
-40C
66M H z
100M Hz
66M H z
100M Hz
0C
25C
70C
85C
8
(2)
140
120
100
FOR IDT2305-1
44
40
44
42
40
60
56
52
46
42
40
60
56
52
46
58
54
50
48
80
60
20
58
54
50
48
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
0
3
20
0
(for 10pF loads over tem perature - 3.3V)
(for 10pF load s over frequency - 3.3V, 25C)
(for 10pF loads over frequency - 3.3V, 25C)
40
3.1
Number of Loaded O utputs
I
D D
Du ty C ycle vs Fre qu ency
2
vs Num ber of Loade d O utputs
Frequency (M Hz)
60
3.2
Du ty Cycle vs V
V
DD
80
3.3
4
(V)
100
D D
3.4
6
120
3.5
140
3.6
8
-40C
33M Hz
33M H z
0C
25C
70C
85C
66M Hz
100M Hz
133M Hz
66M Hz
100M Hz