1893AFLFT IDT, 1893AFLFT Datasheet - Page 114

• Manufacturer Part Number: 1893AFLFT
• Description: Ethernet ICs 3.3V 10/100 BASE TX INTEGRATED PHYCEIVER
• Manufacturer: IDT

Specifications of 1893AFLFT

• Rohs: yes
• Part # Aliases: ICS1893AFLFT

10.5 Timing Diagrams
10.5.1 Timing for Clock Reference In (REF_IN) Pin
ICS1893AF, Rev D 10/26/04
Table 10-8
shows the timing diagram for the time periods.
Note:
Table 10-8. REF_IN Timing
Figure 10-2. REF_IN Timing Diagram
REF_IN
Period
Time
t1
t2
ICS1893AF Data Sheet - Release
The REF_IN switching point is 50% of VDD.
REF_IN Duty Cycle
REF_IN Period
lists the significant time periods for signals on the clock reference in (REF_IN) pin.
Parameter
Copyright © 2004, Integrated Circuit Systems, Inc.
All rights reserved.
t1
114
t2
Conditions
–
–
Chapter 10 DC and AC Operating Conditions
Min.
40
–
Typ.
50
40
Max.
60
–
October, 2004
Figure 10-2
Units
ns
%