7
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT2308A
3.3V ZERO DELAY CLOCK MULTIPLIER
SWITCHING CHARACTERISTICS - INDUSTRIAL
Symbol Parameter Conditions Min. Typ. Max. Unit
t1 Output Frequency 30pF Load, all devices 10 ⎯ 100 MHz
t1 Output Frequency 20pF Load, -1H, -2H Devices 10 ⎯ 133.3 MHz
t1 Output Frequency 15pF Load, -1, -2, -3, -4 devices 10 ⎯ 133.3 MHz
Duty Cycle = t2 ÷ t1 Measured at 1.4V, FOUT = 66.66MHz 40 50 60 %
(-1, -2, -3, -4, -1H, -2H) 30pF Load
Duty Cycle = t
2 ÷ t1 Measured at 1.4V, FOUT = 50MHz 45 50 55 %
(-1, -2, -3, -4, -1H, -2H) 15pF Load
t3 Rise Time (-1, -2, -3, -4) Measured between 0.8V and 2V, 30pF Load ⎯⎯2.2 ns
t3 Rise Time (-1, -2, -3, -4) Measured between 0.8V and 2V, 15pF Load ⎯⎯1.5 ns
t3 Rise Time (-1H, -2H) Measured between 0.8V and 2V, 30pF Load ⎯⎯1.5 ns
t4 Fall Time (-1, -2, -3, -4) Measured between 0.8V and 2V, 30pF Load ⎯⎯2.2 ns
t4 Fall Time (-1, -2, -3, -4) Measured between 0.8V and 2V, 15pF Load ⎯⎯1.5 ns
t4 Fall Time (-1H) Measured between 0.8V and 2V, 30pF Load ⎯⎯1.25 ns
t5 Output to Output Skew on same Bank All outputs equally loaded ⎯⎯200 ps
(-1, -2, -3, -4)
Output to Output Skew (-1H, -2H) All outputs equally loaded ⎯⎯200 ps
Output Bank A to Output Bank B (-1, -4, -2H) All outputs equally loaded ⎯⎯200 ps
Output Bank A to Output Bank B Skew (-2, -3) All outputs equally loaded ⎯⎯400 ps
t6 Delay, REF Rising Edge to FBK Rising Edge Measured at VDD/2 ⎯ 0±250ps
t7 Device to Device Skew Measured at VDD/2 on the FBK pins of devices ⎯ 0 700 ps
t8 Output Slew Rate Measured between 0.8V and 2V on -1H, -2H 1 ⎯⎯V/ns
device using Test Circuit 2
tJ Cycle to Cycle Jitter Measured at 66.67 MHz, loaded outputs, 15pF Load ⎯⎯200
(-1, -1H, -4) Measured at 66.67 MHz, loaded outputs, 30pF Load ⎯⎯200 ps
Measured at 133.3 MHz, loaded outputs, 15pF Load ⎯⎯100
tJ Cycle to Cycle Jitter Measured at 66.67 MHz, loaded outputs, 30pF Load ⎯⎯400 ps
(-2, -2H, -3) Measured at 66.67 MHz, loaded outputs, 15pF Load ⎯⎯400
tLOCK PLL Lock Time Stable Power Supply, valid clocks presented ⎯⎯1ms
on REF and FBK pins
