LAN8720AI-CP SMSC, LAN8720AI-CP Datasheet - Page 35
![TXRX ETHERNET 10/100 RMII 24QFN](/photos/6/86/68648/24-qfn_sml.jpg)
LAN8720AI-CP
Manufacturer Part Number
LAN8720AI-CP
Description
TXRX ETHERNET 10/100 RMII 24QFN
Manufacturer
SMSC
Type
Transceiverr
Specifications of LAN8720AI-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
Product
Ethernet Transceivers
Standard Supported
802.3, 802.3u
Supply Voltage (max)
3.6 V
Supply Voltage (min)
1.6 V
Maximum Operating Temperature
+ 85 C
Ethernet Connection Type
10/100 Base-T
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
638-1084
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Part Number
Manufacturer
Quantity
Price
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Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
SMSC LAN8720A/LAN8720Ai
accepting 50MHz
REF_CLK
Capable of
MAC
clock
In some system architectures, a 25MHz clock source is available. The device can be used to generate
the REF_CLK to the MAC as shown in
only a 25MHz clock can be used (clock cannot be 50MHz). Similar to the 25MHz crystal mode, the
nINT function is disabled.
Interface
RMII
Figure 3.8 Sourcing REF_CLK from a 25MHz Crystal
2
2
2
MDIO
MDC
TXD[1:0]
TXEN
RXD[1:0]
CRS_DV
RXER
REFCLKO
LED[2:1]
nRST
LAN8720A/LAN8720Ai
DATASHEET
10/100 PHY
Figure
24-QFN
35
RMII
3.9. It is important to note that in this specific example,
XTAL1/CLKIN
XTAL2
RXN
RXP
TXP
TXN
Note: nINT not available in
this configuration
Mag
25MHz
Revision 1.2 (11-10-10)
RJ45