DP83849IF_08 Datasheet, PDF (69/90 Pages) National Semiconductor (TI) – PHYTER® DUAL Industrial Temperature with Fiber Support (FX) and Flexible Port Switching Dual Port 10/100 Mb/s Ethernet Physical Layer Tranceiver

8.2 AC SPECIFICATIONS
8.2.1 Power Up Timing
Parameter
Description
Notes
Min
Typ
T2.1.1
Post Power Up Stabilization time MDIO is pulled high for 32-bit serial 167
prior to MDC preamble for register management initialization
accesses
X1 Clock must be stable for a min.
of 167ms at power up.
T2.1.2
Hardware Configuration Latch-in Hardware Configuration Pins are
167
Time from power up
described in the Pin Description
section.
X1 Clock must be stable for a min.
of 167ms at power up.
T2.1.3
Hardware Configuration pins
50
transition to output drivers
Note: In RMII Mode, the minimum Post Power up Stabilization and Hardware Configuration Latch-in times are 84ms.
30000420
Max
Units
ms
ms
ns
69
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