Rev 1.8, March 16 , 2012 Page 3 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 10 26.000 52 MHz
Output Clock Range
CLKOUT
External Clock, CMOS square wave
10 26.000 52 MHz
Input Clock Voltage
Swing Level
VINpp
VDD=3.3V, connect to CLKIN directly 1.32 1.4 - V
VDD=3.3V, connect to CLKIN through
AC coupling and bias circuit
0.6 - - V
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
