Integrated
Circuit
Systems, Inc.
ICS85310I-01
LOW SKEW, 1-TO-10
DIFFERENTIAL-TO-2.5V/3.3V ECL/LVPECL FANOUT BUFFER
PARAMETER MEASUREMENT INFORMATION
2V
VCC,
VCCO
LVPECL
VEE
-0.375V to -1.8V
SCOPE
Qx
nQx
VCC
nCLK0, nCLK1
V
PP
CLK0, CLK1
VEE
Cross Points
V
CMR
3.3V OUTPUT LOAD AC TEST CIRCUIT
DIFFERENTIAL INPUT LEVEL
nQx
PART 1
Qx
nQy
PART 2
Qy
t sk(pp)
PART-TO-PART SKEW
nQx
Qx
nQy
Qy
t sk(o)
OUTPUT SKEW
Clock 20%
Outputs
80%
tR
80%
VSW I N G
20%
nCLK0,
nCLK1
CLK0,
CLK1
nQ0:nQ9
tF
Q0:Q9
tPD
OUTPUT RISE/FALL TIME
PROPAGATION DELAY
nQ0:nQ9
Q0:Q9
t PW
t
PERIOD
odc = t PW x 100%
t PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
85310AYI-01
www.icst.com/products/hiperclocks.html
6
REV. F JANUARY16, 2006