LAN8720A-CP SMSC, LAN8720A-CP Datasheet - Page 79

• Manufacturer Part Number: LAN8720A-CP
• Description: TXRX ETHERNET 10/100 RMII
• Manufacturer: SMSC
• Type: Transceiverr

Specifications of LAN8720A-CP

• Number Of Drivers/receivers: 4/4
• Protocol: RMII
• Voltage - Supply: 1.6 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 24-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1080

Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
Chapter 7 Datasheet Revision History
SMSC LAN8720A/LAN8720Ai
REVISION LEVEL & DATE
Rev. 1.1 (04-09-10)
Rev. 1.0 (12-09-09)
Rev. 1.0 (04-15-09)
Rev. 1.2 (11-10-10)
Section 5.5.4, "RMII
Interface Timing," on
page 71
Section 3.7.4.2, "REF_CLK
Out Mode," on page 34
Section 5.5.4, "RMII
Interface Timing," on
page 71
Table 5.8, “Power-On nRST
& Configuration Strap
Timing Values,” on page 70
Section 5.1, "Absolute
Maximum Ratings*"
Section 5.3, "Power
Consumption," on page 64
Section 5.3, "Power
Consumption," on page 64
Table 5.3, “Non-Variable I/O
Buffer Characteristics,” on
page 66
Section 5.2, "Operating
Conditions**," on page 64
Section 5.1, "Absolute
Maximum Ratings*," on
page 63
Section 4.2.4, "PHY
Identifier 2 Register," on
page 52
Section 3.8.8.2, "Far
Loopback," on page 40
Section 4.2.8, "Mode
Control/Status Register," on
page 56
Document reworked for clarity and consistency with other SMSC documentation.
Initial Release
SECTION/FIGURE/ENTRY
Table 7.1 Customer Revision History
DATASHEET
79
Updated diagrams and tables to include RXER.
Added timing note in
Out Mode"
Corrected signal names on RMII timing diagrams
and tables. Updated
t
respectively.
Updated t
nRST deassertion”
Modified “HBM ESD Performance by adding “per
JEDEC JESD22-A114” and changed “+/-5kV” to
“Class 3A”
Corrected typo in the current consumption table
row title: “100BASE-TX /W TRAFFIC”
Corrected typo in note regarding Ethernet
component current:
“The Ethernet component current is typically 41mA
in 100BASE-TX mode and 100mA in 10BASE-T
mode, independent of the 2.5V or 3.3V supply rail
of the transformer.”
Corrected O12 V
0.4”
Corrected ICLK V
Corrected ICLK V
0.4”
Added note: “Do not drive input signals without
power supplied to the device.”
Corrected IEC61000-4-2 Contact Discharge ESD
Performance to +/-8kV.
Corrected Model Number default value to
“001111b”.
Added far loopback description.
Added FARLOOPBACK (bit 9) description.
ihold
with 10 ns, 1.4 ns, 7.0 ns, and 2.0 ns,
odad
description: “Output drive after
OH
IHI
CORRECTION
ILI
minimum value to “VDD2A -
maximum value to “0.35”
maximum value to “VDD2A +
Table 5.9
Section 3.7.4.2, "REF_CLK
t
oval
Revision 1.2 (11-10-10)
, t
ohold
, t
su
, and