1893YI-10LFT IDT, 1893YI-10LFT Datasheet - Page 127

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

Specifications of 1893YI-10LFT

• Rohs: yes
• Part # Aliases: ICS1893YI-10LFT

10.5 Timing Diagrams
10.5.1 Timing for Clock Reference In (REF_IN) Pin
ICS1893 Rev C 6/6/00
Table 10-8
shows the timing diagram for the time periods.
Note:
Table 10-8.
Figure 10-2. REF_IN Timing Diagram
REF_IN
Period
Time
ICS1893 - Release
t1
t2
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.
REF_IN Timing
Parameter
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
t1
127
t2
Conditions
–
–
Chapter 10 DC and AC Operating Conditions
Min.
45
–
Typ.
50
40
Max.
55
–
Figure 10-2
June, 2000
Units
ns
%