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DP83847ALQA56A

Part # DP83847ALQA56A
Description IC ETHERNET TRANSCEIVER 56WQFN
Category IC
Availability In Stock
Qty 4
Qty Price
1 + $3.29619
Manufacturer Available Qty
National Semiconductor Corp
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

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DP83847
6.5.5 10BASE-T Receive Timing (Start of Packet)
Note: 10BASE-T receive Data Latency is measured from first bit of preamble on the wire to the assertion of RX_DV.
6.5.6 10BASE-T Receive Timing (End of Packet)
Parameter Description Notes Min Typ Max Units
T5.5.1 Carrier Sense Turn On Delay
(TPRD± to CRS)
1µs
T5.5.2 Decoder Acquisition Time 3.6 µs
T5.5.3 Receive Data Latency 17.3 bit times
T5.5.4 SFD Propagation Delay 10 bit times
Parameter Description Notes Min Typ Max Units
T5.6.1 Carrier Sense Turn Off Delay 1.1 µs
1
0
1
TPRD±
CRS
RX_CLK
RXD[0]
1st SFD bit decoded
RX_DV
T5.5.1
T5.5.2
T5.5.3
T5.5.4
1
0
1
TPRD±
RX_CLK
CRS
IDLE
T5.6.1
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DP83847
6.5.7 10 Mb/s Heartbeat Timing
6.5.8 10 Mb/s Jabber Timing
6.5.9 10BASE-T Normal Link Pulse Timing
Parameter Description Notes Min Typ Max Units
T5.7.1 CD Heartbeat Delay 600 1600 ns
T5.7.2 CD Heartbeat Duration 500 1500 ns
TXC
TXE
COL
T5.7.1
T5.7.2
Parameter Description Notes Min Typ Max Units
T5.8.1 Jabber Activation Time 20 150 ms
T5.8.2 Jabber Deactivation Time 250 750 ms
TXE
TPTD±
COL
T5.8.2
T5.8.1
Parameter Description Notes Min Typ Max Units
T5.9.1 Pulse Width 100 ns
T5.9.2 Pulse Period 8 16 24 ms
T5.9.2
T5.9.1
Normal Link Pulse(s)
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DP83847
6.5.10 Auto-Negotiation Fast Link Pulse (FLP) Timing
6.5.11 100BASE-TX Signal Detect Timing
Note: The signal amplitude at RD± is TP-PMD compliant.
Parameter Description Notes Min Typ Max Units
T5.10.1 Clock, Data Pulse Width 100 ns
T5.10.2 Clock Pulse to Clock Pulse
Period
111 125 139 µs
T5.10.3 Clock Pulse to Data Pulse
Period
Data = 1 55.5 69.5 µs
T5.10.4 Number of Pulses in a Burst 17 33 #
T5.10.5 Burst Width 2ms
T5.10.6 FLP Burst to FLP Burst Period 8 24 ms
clock
pulse
data
pulse
clock
pulse
FLP Burst FLP Burst
Fast Link Pulse(s)
T5.10.1
T5.10.1
T5.10.2
T5.10.3
T5.10.4
T5.10.5
T5.10.6
Parameter Description Notes Min Typ Max Units
T5.11.1 SD Internal Turn-on Time 1 ms
T5.11.2 SD Internal Turn-off Time 300 µs
T5.11.1
SD+ internal
T5.11.2
RD±
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