DP83848YB_08 NSC [National Semiconductor], DP83848YB_08 Datasheet - Page 64

• Manufacturer Part Number: DP83848YB_08
• Manufacturer: NSC [National Semiconductor]

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8.2 AC Specs
8.2.1 Power Up Timing
T2.1.1
T2.1.2
T2.1.3
Dual Function Pins
Become Enabled As Outputs
Parameter
Latch-In of Hardware
Configuration Pins
RESET_N
Hardware
X1 clock
Post Power Up Stabilization
time prior to MDC preamble for
register accesses
Hardware Configuration Latch-
in Time from power up
Hardware Configuration pins
transition to output drivers
MDC
Vcc
Description
MDIO is pulled high for 32-bit serial man-
agement initialization
X1 Clock must be stable for a min. of
167ms at power up.
Hardware Configuration Pins are de-
scribed in the Pin Description section
X1 Clock must be stable for a min. of
167ms at power up.
T2.1.2
T2.1.1
64
Notes
input
T2.1.3
output
Min
167
167
32 clocks
Typ
50
Max
Units
ms
ms
ns