7
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT23S08
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, -5H Devices
(1)
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, -5H) 30pF Load
Duty Cycle = t
2 ÷ t1 Measured at 1.4V, FOUT = 50MHz 45 50 55 %
(-1, -2, -3, -4, -1H, -2H, -5H) 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, -5H) 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, -5H) 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, -5H) All outputs equally loaded ⎯⎯200 ps
Output Bank A to Output Bank B (-1, -4, -2H, -5H) 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 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, -5H 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, -5H) 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
NOTE:
1. IDT23S08-5H has maximum input frequency of 133.33 MHz and maximum output of 66.67MHz.
8
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT23S08
3.3V ZERO DELAY CLOCK MULTIPLIER
Output
1.4V
t5
1.4V
Output
Input
t6
V
DD/2
FBK
V
DD/2
t7
V
DD/2
FBK, Device 2
V
DD/2
FBK, Device 1
1.4V
1.4V
t2
t1
1.4V
2V
0.8V
t3
t4
0.8V
3.3V
0V
2V
Output
SWITCHING WAVEFORMS
Duty Cycle Timing
All Outputs Rise/Fall Time
Output to Output Skew
Input to Output Propagation Delay
Device to Device Skew
9
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT23S08
3.3V ZERO DELAY CLOCK MULTIPLIER
TEST CIRCUITS
TEST CIRCUIT 1
TEST CIRCUIT 2
Test Circuit for all Parameters Except t8
Test Circuit for t8, Output Slew Rate On -1H, -2H, and -5H Device
VDD
OUTPUTS
CLK
OUT
C
LOAD
V
DD
GND GND
0.1 F
0.1 F
VDD
OUTPUTS
10pF
V
DD
GND
GND
0.1 F
0.1 F
1K
1K
CLK
OUT

23S08-1DCGI

Mfr. #:
Manufacturer:
IDT
Description:
Clock Generators & Support Products 3.3V CLOCK BUFFER SPREAD SPECTRUM
Lifecycle:
New from this manufacturer.
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