IDT2308A
3.3V ZERO DELAY CLOCK MULTIPLIER
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS - INDUSTRIAL
Symbol Parameter
Conditions
t1
Output Frequency
30pF Load, all devices
t1
Output Frequency
t1
Output Frequency
20pF Load, -1H, -2H Devices
15pF Load, -1, -2, -3, -4 devices
Duty Cycle = t2 ÷ t1
(-1, -2, -3, -4, -1H, -2H)
Measured at 1.4V, FOUT = 66.66MHz
30pF Load
Duty Cycle = t2 ÷ t1
(-1, -2, -3, -4, -1H, -2H)
Measured at 1.4V, FOUT = 50MHz
15pF Load
t3
Rise Time (-1, -2, -3, -4)
Measured between 0.8V and 2V, 30pF Load
t3
Rise Time (-1, -2, -3, -4)
t3
Rise Time (-1H, -2H)
Measured between 0.8V and 2V, 15pF Load
Measured between 0.8V and 2V, 30pF Load
t4
Fall Time (-1, -2, -3, -4)
Measured between 0.8V and 2V, 30pF Load
t4
Fall Time (-1, -2, -3, -4)
Measured between 0.8V and 2V, 15pF Load
t4
Fall Time (-1H)
Measured between 0.8V and 2V, 30pF Load
t5
Output to Output Skew on same Bank
All outputs equally loaded
(-1, -2, -3, -4)
Output to Output Skew (-1H, -2H)
All outputs equally loaded
Output Bank A to Output Bank B (-1, -4, -2H)
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
Measured at VDD/2 on the FBK pins of devices
t8
Output Slew Rate
Measured between 0.8V and 2V on -1H, -2H
device using Test Circuit 2
tJ
Cycle to Cycle Jitter
Measured at 66.67 MHz, loaded outputs, 15pF Load
(-1, -1H, -4)
Measured at 66.67 MHz, loaded outputs, 30pF Load
Measured at 133.3 MHz, loaded outputs, 15pF Load
tJ
Cycle to Cycle Jitter
Measured at 66.67 MHz, loaded outputs, 30pF Load
(-2, -2H, -3)
Measured at 66.67 MHz, loaded outputs, 15pF Load
tLOCK PLL Lock Time
Stable Power Supply, valid clocks presented
on REF and FBK pins
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
⎯
⎯
2.2
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
7