IDT2308 Просмотр технического описания (PDF) - Integrated Device Technology
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IDT2308 Datasheet PDF : 13 Pages
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IDT2308
3.3V ZERO DELAY CLOCK MULTIPLIER
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS - INDUSTRIAL
Symbol
t1
t1
t1
t3
t3
t3
t4
t4
t4
t5
Parameter
Output Frequency
Output Frequency
Output Frequency
Duty Cycle = t2 ÷ t1
(-1, -2, -3, -4, -1H, -2H, -5H)
Duty Cycle = t2 ÷ t1
(-1, -2, -3, -4, -1H, -2H, -5H)
Rise Time (-1, -2, -3, -4)
Rise Time (-1, -2, -3, -4)
Rise Time (-1H, -2H, -5H)
Fall Time (-1, -2, -3, -4)
Fall Time (-1, -2, -3, -4)
Fall Time (-1H, -5H)
Output to Output Skew on same Bank
(-1, -2, -3, -4)
Output to Output Skew (-1H, -2H, -5H)
Conditions
30pF Load, all devices
20pF Load, -1H, -2H, -5H Devices(1)
15pF Load, -1, -2, -3, -4 devices
Measured at 1.4V, FOUT = 66.66MHz
30pF Load
Measured at 1.4V, FOUT = 50MHz
15pF Load
Measured between 0.8V and 2V, 30pF Load
Measured between 0.8V and 2V, 15pF Load
Measured between 0.8V and 2V, 30pF Load
Measured between 0.8V and 2V, 30pF Load
Measured between 0.8V and 2V, 15pF Load
Measured between 0.8V and 2V, 30pF Load
All outputs equally loaded
All outputs equally loaded
Output Bank A to Output Bank B (-1, -4, -2H, -5H) All outputs equally loaded
Output Bank A to Output Bank B Skew (-2, -3)
All outputs equally loaded
t6
Delay, REF Rising Edge to FBK Rising Edge
Measured at VDD/2
t7
Device to Device Skew
t8
Output Slew Rate
tJ
Cycle to Cycle Jitter
(-1, -1H, -4, -5H)
Measured at VDD/2 on the FBK pins of devices
Measured between 0.8V and 2V on -1H, -2H, -5H
device using Test Circuit 2
Measured at 66.67 MHz, loaded outputs, 15pF Load
Measured at 66.67 MHz, loaded outputs, 30pF Load
Measured at 133.3 MHz, loaded outputs, 15pF Load
tJ
Cycle to Cycle Jitter
(-2, -2H, -3)
tLOCK PLL Lock Time
Measured at 66.67 MHz, loaded outputs, 30pF Load
Measured at 66.67 MHz, loaded outputs, 15pF Load
Stable Power Supply, valid clocks presented
on REF and FBK pins
NOTE:
1. IDT2308-5H has maximum input frequency of 133.33 MHz and maximum output of 66.67MHz.
Min.
Typ. Max. Unit
10
⎯
100 MHz
10
⎯
133.3 MHz
10
⎯
133.3 MHz
40
50
60
%
45
50
55
%
⎯
⎯
2.2
ns
⎯
⎯
1.5
ns
⎯
⎯
1.5
ns
⎯
⎯
2.5
ns
⎯
⎯
1.5
ns
⎯
⎯
1.25
ns
⎯
⎯
200
ps
⎯
⎯
200
ps
⎯
⎯
200
ps
⎯
⎯
400
ps
⎯
0
±250
ps
⎯
0
700
ps
1
⎯
⎯
V/ns
⎯
⎯
200
⎯
⎯
200
ps
⎯
⎯
100
⎯
⎯
400
ps
⎯
⎯
400
⎯
⎯
1
ms
8
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