ICS1887 Datasheet, PDF (9/14 Pages) Integrated Circuit Systems – FDDI / Fast Ethernet PHYceiverTM

AC Characteristics
Clocks – Reference In (REF_IN) to Transmit Clock (TCLK)
ICS1887
T#
PARAMETER (conditions)
MIN
TYP
MAX
UNITS
t1
REF_IN Duty Cycle
45
50
55
%
t2
REF_IN Period
t3
REF_IN rise to TCLK rise
—
40
—
ns
0
1.5
3.0
ns
9