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DP83932C Datasheet(PDF) 96 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83932C
Description  MHz SONICTM Systems-Oriented Network Interface Controller
PDF  98 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83932C Datasheet(HTML) 96 Page - National Semiconductor (TI)

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70 AC and DC Specifications (Continued)
ENDEC-MAC SERIAL TIMING FOR RECEPTION (EXTERNAL ENDEC MODE)
TLF10492 – 78
Number
Parameter
Min
Max
Units
T118
Receive Clock High Time
40
ns
T119
Receive Clock Low Time
40
ns
T120
Receive Clock Cycle Time
90
110
ns
T121
RXD Setup to RXC
20
ns
T122
RXD Hold from RXC
15
ns
T124
Maximum Allowed Dribble Bits
6
Bits
T125
Receive Recovery Time (Note 2)
T126
RXC to Carrier Sense Low (Notes 1 3)
1
rcyc
Note 1
tcyc e transmit clocks rcyc e receive clocks bcyc e T3
Note 2
This parameter refers to longest time (not including wait-states) the SONIC requires to perform its end of receive processing and be ready for the next
start of frame delimiter This time is 4 a 36 tcyc bcyc This is guaranteed by design and is not tested
Note 3
To ensure proper receive operation a minimum of 5 RXCs after CRS low are required
ENDEC-MAC SERIAL TIMING FOR TRANSMIT (NO COLLISION)
TLF10492 – 79
Number
Parameter
Min
Max
Units
T127
Transmit Clock High Time
40
ns
T128
Transmit Clock Low Time
40
ns
T129
Transmit Clock Cycle Time
90
110
ns
T130
TXC to TXE High
40
ns
T131
TXC to TXD Valid
15
ns
T132
TXD Hold Time from TXC
5
ns
T133
TXC to TXE Low
40
ns
T134
TXE Low to Start of CD Heartbeat (Note 1)
64
tcyc
T135
Collision Detect Width (Note 1)
2
tcyc
Note 1
tcyc e transmit clock
96



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