Integrated
Circuit
Systems, Inc.
ICS8533-01
LOW SKEW, 1-TO-4
DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
PARAMETER MEASUREMENT INFORMATION
2V
VCC
LVPECL
VEE
-1.3V ± 0.165
SCOPE
Qx
nQx
VCC
nPCLK, nCLK
V
PP
PCLK, CLK
VEE
Cross Points
V
CMR
3.3V OUTPUT LOAD AC TEST CIRCUIT
DIFFERENTIAL INPUT LEVEL
nQx
Qx
nQy
Qy
t sk(o)
OUTPUT SKEW
Clock 20%
Outputs
80%
tR
nPCLK,
nCLK
PCLK,
CLK
nQ0:nQ3
Q0:Q3
tPD
PROPAGATION DELAY
80%
tF
VSW I N G
20%
nQ0:nQ3
Q0:Q3
Pulse Width
t
PERIOD
odc = t PW
t PERIOD
OUTPUT RISE/FALL TIME
8533AG-01
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
www.icst.com/products/hiperclocks.html
REV. E APRIL 12, 2007
7