LAN8187I-JT Standard Microsystems (SMSC), LAN8187I-JT Datasheet - Page 56

• Manufacturer Part Number: LAN8187I-JT
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN8187I-JT

• Number Of Receivers: 1
• Data Rate: 10/100Mbps
• Operating Supply Voltage (typ): 3.3V
• Package Type: TQFP
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Mounting: Surface Mount
• Pin Count: 64
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Lead Free Status / RoHS Status: Compliant

Chapter 6 AC Electrical Characteristics
Revision 1.6 (02-27-09)
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
±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX & flexPWR
DATASHEET
T
1.4
T
(Read from PHY)
56
1.1
Valid Data
MIN
400
10
10
0
TYP
MAX
30
UNITS
SMSC LAN8187/LAN8187i
ns
ns
ns
ns
Section
4.13.
NOTES
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