DP83848VYB National Semiconductor, DP83848VYB Datasheet - Page 58

• Manufacturer Part Number: DP83848VYB
• Description: TRANSCEIVER, ENET PHY, 10/100, 48LQFP
• Manufacturer: National Semiconductor

Specifications of DP83848VYB

• Data Rate: 100Mbps
• No. Of Ports: 1
• Ethernet Type: IEEE 802.3u
• Supply Current: 92mA
• Supply Voltage Range: 3V To 3.6V
• Operating Temperature Range: -40°C To +105°C
• Digital Ic Case Style: LQFP
• No.: RoHS Compliant
• Interface Type: MII Serial, RMII
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Not Compliant

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T2.2.1
T2.2.2
T2.2.3
T2.2.4
Parameter
8.2.2 Reset Timing
Note: It is important to choose pull-up and/or pull-down resistors for each of the hardware configuration pins that provide fast RC time constants in order to latch-
in the proper value prior to the pin transitioning to an output driver.
Post RESET Stabilization time prior to
MDC preamble for register accesses
Hardware Configuration Latch-in Time
from the Deassertion of RESET (either
soft or hard)
Hardware Configuration pins transition
to output drivers
RESET pulse width
Description
MDIO is pulled high for 32-bit serial
management initialization
Hardware Configuration Pins are
described in the Pin Description
section
X1 Clock must be stable for at min.
of 1us during RESET pulse low
time.
58
Notes
Min
1
Typ
50
3
3
Max
30011721
Units
µs
µs
ns
µs