DP83840AVCE National Semiconductor, DP83840AVCE Datasheet - Page 25

• Manufacturer Part Number: DP83840AVCE
• Description: IC ETHERNET PHYS LAYER 100-PQFP
• Manufacturer: National Semiconductor

Specifications of DP83840AVCE

• Controller Type: Ethernet Controller, 10Base-T
• Interface: IEEE 802.3af
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 335mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-MQFP, 100-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *DP83840AVCE

Version A
3.0 Functional Description
* NOTE:
20 MHz
50 MHz
50ppm
50ppm
* 33 pF
* 33 pF
OSC
OSC
REFER TO CRYSTAL MANUFACTURE FOR RECOMMENDED CRYSTAL LOAD CAPACITANCE
50 MHz
50ppm
OSC
20 MHZ
0.005%
FIGURE 8. 50 MHz Reference and 20 MHz Crystal
(Continued)
FIGURE 7. 50 MHz and 20 MHz References
CLK25M
TX_CLK
OSCIN
REFIN
X2
X1
CLK25M
TX_CLK
OSCIN
REFIN
X2
X1
25
SELECT
SPEED
MUX
SELECT
SPEED
MUX
DIV 2.0
DIV 2.0
20 MHz TO 10 Mb/s SECTION
25 MHz TO 100 Mb/s SECTION
25 MHz FROM 100 Mb/s SECTION
2.5 MHz (OR 10 MHz) FROM 10 Mb/s SECTION
National Semiconductor
20 MHz TO 10 Mb/s SECTION
25 MHz TO 100 Mb/s SECTION
25 MHz FROM 100 Mb/s SECTION
2.5 MHz (OR 10 MHz) FROM 10 Mb/s SECTION