Rev 1.2, December 21 , 2010 Page 7 of 12
AC Electrical Characteristics (I-Grade)
Unless otherwise stated VDD= 3.3V+/- 10% and Operation Temperature Range -40 to +85°C
Parameter Symbol Condition Min Typ Max Unit
Input Clock Range
CLKIN
External Clock, CMOS square wave
or sine wave
10 26.000 52 MHz
Output Clock Range
CLKOUT
External Clock, CMOS square wave
CLKOUT1/2/3
10 26.000 52 MHz
Input Clock Voltage
Swing Level
VINpp VDD=3.3V 1.32 1.4 - Vpp
Input Duty Cycle DCIN CLKIN, Pin 3 30 50 70 %
Output Clock Rise Time tr
VDD=1.8, CL=10pF, measured from
10 to 90% of VDD, Pins 4, 8, 9 and
10
- 1.2 2.2 ns
Output Clock Fall Time tf
VDD=1.8, CL=10pF, measured from
10 to 90% of VDD, Pins 4, 8, 9 and
10
- 1.2 2.2 ns
Additive Phase Noise APN-1
CLKIN=26MHz and 1 kHz offset
CLKOUT1/2/3
- -138 - dBc/Hz
Additive Phase Noise APN-2
CLKIN=26MHz and 10 kHz offset
CLKOUT1/2/3
- -157 - dBc/Hz
Additive Phase Noise APN-3
CLKIN=26MHz and 100 kHz offset
CLKOUT1/2/3
- -165 - dBc/Hz
Power-up Time tPU
Time duration until CLKOUT1/2/3
frequency reaches valid frequency
after power supply reaches 0.9xVDD
value
- 100 200 ns
Output Enable Time tOE1
Time from OE raising edge to active
at outputs CLKOUT1/2/3
(Asynchronous)
- 25 - ns
Output Disable Time tOD
Time from OE falling edge to Hi-Z at
outputs CLKOUT1/2/3
(Asynchronous)
- 25 - ns
Output Enable Time tOE2
Active recovery time from standby
(CLKIN=0 or 1) to active at outputs
CLKOUT1/2/3
- 100 - ns
