DP83840AVCE National Semiconductor, DP83840AVCE Datasheet - Page 81

• 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
8.0 Electrical Specifications
8.6.3 10 Mb/s Receive Timing (Start of Packet)
Note: 1 bit time = 100ns in 10 Mb/s mode for both nibble and serial operation.
Note: 10 Mb/s receive Data Latency is measured from first bit of preamble on the wire to the assertion of RX_DV
Parameter
T1
T2
T3
T4
T5
Carrier Sense Turn On Delay
(RXI+/- to CRS)
Decoder Acquisition Time
Receive Data Latency
SFD Latency
RX_CLK to RXD Delay Time
RX_CLK
RX_DV
RXI+/-
CRS
RXD
Description
(Continued)
T1
T2
10 Mb/s nibble mode
10 Mb/s serial mode
10 Mb/s nibble mode
10 Mb/s serial mode
10 Mb/s nibble mode
10 Mb/s serial mode
10 Mb/s nibble mode
10 Mb/s serial mode
10 Mb/s nibble mode
10 Mb/s serial mode
T3
81
1st SFD bit decoded
1
T5
T4
Notes
0
1
Min
-10
-10
Typ
17.3
Max
2.6
2.2
0.8
10
10
20
60
1
1
bits
bits
bits
bits
ns
ns
Units
s
s
s
s