LAN8187I-JT SMSC, LAN8187I-JT Datasheet - Page 55

• Manufacturer Part Number: LAN8187I-JT
• Description: TXRX ETHERNET 10/100 ESD PROT
• Manufacturer: SMSC
• Type: Transceiverr

Specifications of LAN8187I-JT

• Protocol: Ethernet
• Voltage - Supply: 1.6 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Drivers/receivers: -
• Other names: Q4223799

±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
T1.1
T1.2
T1.3
T1.4
The timing diagrams and limits in this section define the requirements placed on the external signals
of the Phy.
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 (Write) delay
MDIO (Read) to MDC setup
MDIO (Read) to MDC hold
MDIO
(Read from PHY)
MDIO
(Write to PHY)
MDC
DESCRIPTION
Figure 6.1 SMI Timing Diagram
Table 6.1 SMI Timing Values
T1.1
T1.3
DATASHEET
Valid Data
55
Valid Data
TM
Technology
MIN
400
10
10
0
T1.4
T1.2
TYP
MAX
300
UNITS
ns
ns
ns
ns
Section
Revision 1.5 (01-10-08)
4.13.
NOTES