LAN8187-JT SMSC, LAN8187-JT Datasheet - Page 57

• Manufacturer Part Number: LAN8187-JT
• Description: Ethernet ICs HiPerfrm Ethrnt PHY
• Manufacturer: SMSC
• Type: MII/RMII Ethernet Transceiverr

Specifications of LAN8187-JT

• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Product: Ethernet Transceivers
• Number Of Transceivers: 1
• Standard Supported: 802.3ab
• Data Rate: 10 MB, 100 MB
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 1.8 V
• Supply Current (max): 39 mA, 81.6 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX & flexPWR
Datasheet
Chapter 6 AC Electrical Characteristics
SMSC LAN8187/LAN8187i
6.1
PARAMETER
Data Out -
Data In -
Clock -
T1.1
T1.2
T1.3
T1.4
MDIO
MDIO
MDC
The timing diagrams and limits in this section define the requirements placed on the external signals
of the LAN8187/LAN8187i.
The Serial Management Interface is used for status and control as described in
Serial Management Interface (SMI) Timing
MDC minimum cycle time
MDC to MDIO (Read from PHY)
delay
MDIO (Write to PHY) to MDC setup
MDIO (Write to PHY) to MDC hold
DESCRIPTION
T
1.3
(Write to PHY)
Figure 6.1 SMI Timing Diagram
Valid Data
Table 6.1 SMI Timing Values
T
1.2
DATASHEET
T
1.4
T
(Read from PHY)
57
1.1
Valid Data
®
Technology
MIN
400
10
10
0
TYP
MAX
300
UNITS
ns
ns
ns
ns
Section
Revision 1.7 (03-04-11)
4.13.
NOTES