IDT2305B-1HDCG IDT, Integrated Device Technology Inc, IDT2305B-1HDCG Datasheet - Page 8

• Manufacturer Part Number: IDT2305B-1HDCG
• Description: IC CLK BUFFER 3.3V 8-SOIC
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Zero Delay Bufferr

Specifications of IDT2305B-1HDCG

• Pll: Yes with Bypass
• Input: LVTTL
• Output: LVTTL
• Number Of Circuits: 1
• Ratio - Input:output: 1:5
• Differential - Input:output: No/No
• Frequency - Max: 133MHz
• Divider/multiplier: No/No
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Frequency-max: 133MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 2305B-1HDCG; 800-1280; 800-1280-5; 800-1280

NOTES:
1. Duty Cycle is taken from typical chip measured at 1.4V.
2. I
TYPICAL DUTY CYCLE
IDT2305B
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
33MHz
33MHz
TRENDS
-40C
66MHz
100MHz
66MHz
100MHz
0C
25C
70C
85C
8
(2)
140
120
100
FOR IDT2305B-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 temperature - 3.3V)
(for 10pF loads over frequency - 3.3V, 25C)
(for 10pF loads over frequency - 3.3V, 25C)
40
3.1
Number of Loaded Outputs
I
DD
Duty Cycle vs Frequency
2
vs Number of Loaded Outputs
Frequency (MHz)
60
3.2
Duty Cycle vs V
V
DD
80
3.3
4
(V)
100
DD
3.4
6
120
3.5
140
3.6
8
-40C
33MHz
33MHz
0C
25C
70C
85C
66MHz
100MHz
133MHz
66MHz
100MHz