ICS87946-01 Datasheet, PDF (9/13 Pages) Integrated Circuit Systems – LVPECL-TO-LVCMOS/LVTTL CLOCK GENERATOR

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS87946-01
LOW SKEW ÷1, ÷2
LVPECL-TO-LVCMOS/LVTTL CLOCK GENERATOR
80%
20%
Clock Inputs
and Outputs
t
R
80%
V
SWING
20%
t
F
FIGURE 5 - INPUT AND OUTPUT RISE AND FALL TIME
nPCLK
PCLK
QAx, QBx, QCx
V
DDx
2
t
PD
FIGURE 6 - PROPAGATION DELAY
QAx, QBx, QCx
V_DDx
2
Pulse Width
t
odc = ^PW
t
PERIOD
t
PERIOD
FIGURE
7
-
odc
&
t
PERIOD
87946AY-01
www.icst.com/products/hiperclocks.html
9
REV. A JANUARY 2, 2002