IDT2308B
3.3 VOLT ZERO DELAY CLOCK MULTIPLIER
CLOCK MULTIPLIER
Switching Characteristics–Industrial
Parameter
Output Frequency
Symbol
Conditions
30 pF Load, all devices
20 pF Load, -1H, -2H, -5H Devices1
Min.
10
Typ. Max. Units
t1
t1
t1
100
133.3
133.3
60
MHz
MHz
MHz
%
Output Frequency
Output Frequency
10
15pF Load, -1, -2, -3, -4 devices
10
Duty Cycle = t2 ÷ t1
(-1, -2, -3, -4, -1H, -2H, -5H)
Measured at 1.4V, FOUT = 66.66 MHz, 30 pF
Load
40
50
50
Duty Cycle = t2 ÷ t1
(-1, -2, -3, -4, -1H, -2H, -5H)
Measured at 1.4V, FOUT = 50 MHz, 15 pF
Load
45
55
%
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)
t3
t3
t3
t4
t4
t4
t5
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
2.2
1.5
ns
ns
ns
ns
ns
ns
ps
1.5
2.2
1.5
1.25
200
Output to Output Skew on same Bank
(-1, -2, -3, -4)
Output to Output Skew (-1H, -2H, -5H)
All outputs equally loaded
All outputs equally loaded
200
200
ps
ps
Output Bank A to Output Bank B (-1, -4,
-2H, -5H)
Output Bank A to Output Bank B Skew
(-2, -3)
All outputs equally loaded
Measured at VDD/2
400
250
700
ps
ps
Delay, REF Rising Edge to FBK Rising
Edge
t6
t7
t8
tJ
Device to Device Skew
Measured at VDD/2 on the FBK pins of
devices
ps
Output Slew Rate
Measured between 0.8V and 2V on -1H, -2H,
-5H device using Test Circuit 2
1
V/ns
ps
Cycle to Cycle Jitter
(-1, -1H, -4, -5H)
Measured at 66.67 MHz, loaded outputs,
15pF Load
200
200
100
400
400
1
Measured at 66.67 MHz, loaded outputs,
30pF Load
Measured at 133.3 MHz, loaded outputs,
15pF Load
Cycle to Cycle Jitter
(-2, -2H, -3)
tJ
Measured at 66.67 MHz, loaded outputs,
30pF Load
ps
Measured at 66.67 MHz, loaded outputs,
15pF Load
PLL Lock Time
tLOCK
Stable Power Supply, valid clocks presented
on REF and FBK pins
ms
Note 1: IDT2308B-5H has maximum input frequency of 133.33 MHz and maximum output of 66.67 MHz.
IDT™ 3.3 VOLT ZERO DELAY CLOCK MULTIPLIER
8
IDT2308B
REV B 030509
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
