dp83848qsqx/nopb National Semiconductor Corporation, dp83848qsqx/nopb Datasheet - Page 69

• Manufacturer Part Number: dp83848qsqx/nopb
• Description: Phyter Extended Temperature Single Port 10/100 Mb/s Ethernet Physical Layer Transceiver
• Manufacturer: National Semiconductor Corporation

T2.28.1
T2.28.2
T2.29.1
T2.29.2
Parameter
Parameter
15.2.28 Isolation Timing
15.2.29 25 MHz_OUT Timing
Note: 25 MHz_OUT characteristics are dependent upon the X1 input characteristics.
From software clear of bit 10 in the
BMCR register to the transition from
Isolate to Normal mode
From Deassertion of S/W or H/W
Reset to transition from Isolate to
Normal mode
25 MHz_OUT High/Low Time
25 MHz_OUT propagation delay
Description
Description
MII mode
RMII mode
Relative to X1
Notes
Notes
69
Min
Min
Typ
Typ
20
10
30152550
Max
Max
100
500
8
30152549
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Units
Units
µs
µs
ns
ns
ns