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DP83849IF Datasheet(PDF) 92 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # DP83849IF
Description  PHYTER짰 DUAL Industrial Temperature with Fiber Support (FX) an Flexible Port Switching Dual Port 10/100 Mb/s Ethernet Physical Layer Transceiver
PDF  108 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83849IF Datasheet(HTML) 92 Page - National Semiconductor (TI)

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8.2 AC Specs (Continued)
8.2.9 100BASE-TX and 100BASE-FX MII Receive Packet Latency Timing
Note: Carrier Sense On Delay is determined by measuring the time from the first bit of the “J” code group to the assertion
of Carrier Sense.
Note: 1 bit time = 10 ns in 100 Mb/s mode
Note: PMD Input Pair voltage amplitude is greater than the Signal Detect Turn-On Threshold Value.
8.2.10 100BASE-TX and 100BASE-FX MII Receive Packet Deassertion Timing
Note: Carrier Sense Off Delay is determined by measuring the time from the first bit of the “T” code group to the deasser-
tion of Carrier Sense.
Note: 1 bit time = 10 ns in 100 Mb/s mode
Parameter
Description
Notes
Min
Typ
Max
Units
T2.9.1
Carrier Sense ON Delay
100BASE-TX mode
100BASE-FX mode
20
10
bits
T2.9.2
Receive Data Latency
100BASE-TX mode
100BASE-FX mode
24
14
bits
Parameter
Description
Notes
Min
Typ
Max
Units
T2.10.1
Carrier Sense OFF Delay
100BASE-TX mode
100BASE-FX mode
24
14
bits
CRS
RXD[3:0]
PMD Input Pair
RX_DV
RX_ER
IDLE
Data
T2.9.1
T2.9.2
(J/K)
CRS
T2.10.1
PMD Input Pair
DATA
IDLE
(T/R)



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