ics1893cy-10 Integrated Device Technology, ics1893cy-10 Datasheet - Page 118

• Manufacturer Part Number: ics1893cy-10
• Description: 3.3-v 10base-t/100base-tx Integrated Phyceiver
• Manufacturer: Integrated Device Technology

9.5 Timing Diagrams
9.5.1 Timing for Clock Reference In (REF_IN) Pin
ICS1893CY-10 Rev 1/07
Table 9-8
shows the timing diagram for the time periods.
Note:
Table 9-8. REF_IN Timing
Figure 9-2. REF_IN Timing Diagram
REF_IN
Period
Time
ICS1893CY-10 - Release
t1
t2
The REF_IN switching point is 50% of VDD.
lists the significant time periods for signals on the clock reference in (REF_IN) pin.
REF_IN Duty Cycle
REF_IN Period
Parameter
Copyright © 2007, Integrated Device Technology, Inc.
t1
All rights reserved.
119
t2
Conditions
–
–
Chapter 9 DC and AC Operating Conditions
Min.
40
–
Typ.
50
40
Max.
Figure 9-2
60
–
Units
ns
%