ICS1893 Integrated Circuit Systems, ICS1893 Datasheet - Page 144

• Manufacturer Part Number: ICS1893
• Description: 3.3-V 10Base-T/100Base-TX Integrated PHYceiver
• Manufacturer: Integrated Circuit Systems

10.5.18 Reset: Hardware Reset and Power-Down
ICS1893 Rev C 6/6/00
RESETn
TXCLK Valid
Power
Consumption
(AC only)
REF_IN
Table 10-25
periods consist of timings of signals on the following pins:
•
•
•
Figure 10-19
Table 10-25. Hardware Reset and Power-Down Timing
Figure 10-19.
Period
Time
REF_IN
RESETn
TXCLK
t1
t2
t3
ICS1893 Data Sheet - Release
RESETn Active to Device Isolation and Initialization
Minimum RESETn Pulse Width
RESETn Released to TXCLK Valid
lists the significant time periods for the hardware reset and power-down reset. The time
shows the timing diagram for the time periods.
Hardware Reset and Power-Down Timing Diagram
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
t1
Parameter
144
t2
Chapter 10 DC and AC Operating Conditions
t3
Condi-
tions
–
–
–
Min.
500
–
–
Typ.
60
40
35
Max.
500
–
–
June, 2000
Units
ms
ns
ns