
87354AMI
www.idt.com
REV. A AUGUST 5, 2010
5
ICS87354I
÷4/÷5 DIFFERENTIAL-TO-
3.3V LVPECL CLOCK GENERATOR
PARAMETER MEASUREMENT INFORMATION
OUTPUT RISE/FALL TIME
DIFFERENTIAL INPUT LEVEL
3.3V OUTPUT LOAD AC TEST CIRCUIT
SCOPE
Qx
nQx
LVPECL
2V
t
PD
-1.0V to -1.465V
Clock
Outputs
20%
80%
20%
tR
t F
VSWING
V
CMR
Cross Points
V
PP
V
CC
V
EE
CLK
nCLK
CLK
nCLK
Q
nQ
tsk(pp)
nQx
Qx
nQy
Qy
PART 1
PART 2
PART-TO-PART SKEW
PROPAGATION DELAY
V
CC
V
EE
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
t
PW
t
PERIOD
t
PW
t
PERIOD
odc =
x 100%
Q
nQ