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DP83251 Datasheet(PDF) 68 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83251
Description  PLAYER Device (FDDI Physical Layer Controller)
PDF  96 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83251 Datasheet(HTML) 68 Page - National Semiconductor (TI)

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60 Pin Descriptions (Continued)
TABLE 6-2 DP83255 Pinout Summary
(Continued)
Pin No
Signal Name
Symbol
IO
ECLTTLOpen
DrainPower
71
ECL Logic Ground
GND
a
0V
72
Transmit Bit Clock a
TXCa
I
ECL
73
Transmit Bit Clock b
TXCb
I
ECL
74
ECL Logic Power
VCC
a
5V
75
Transmit Byte Clock a
TBCa
I
ECL
76
Transmit Byte Clock b
TBCb
I
ECL
77
FOTX Enable Level
TEL
I
TTL
78
No Connect
NC
79
No Connect
NC
80
No Connect
NC
81
No Connect
NC
82
No Connect
NC
83
No Connect
NC
84
No Connect
NC
85
No Connect
NC
86
FOTX Enable
TXE
O
TTL
87
Local Byte Clock
LBC
I
TTL
88
PHY Port B Indicate Datak0l
BID0
O
TTL
89
PHY Port B Request Datak0l
BRD0
I
TTL
90
PHY Port B Indicate Datak1l
BID1
O
TTL
91
PHY Port B Request Datak1l
BRD1
I
TTL
92
PHY Port B Indicate Datak2l
BID2
O
TTL
93
PHY Port B Request Datak2l
BRD2
I
TTL
94
PHY Port B Indicate Datak3l
BID3
O
TTL
95
PHY Port B Request Datak3l
BRD3
I
TTL
96
CMOS Logic Ground
GND
a
0V
97
PHY Port B Indicate Datak4l
BID4
O
TTL
98
PHY Port B Request Datak4l
BRD4
I
TTL
99
CMOS IO Power
VCC
a
5V
100
PHY Port B Indicate Datak5l
BID5
O
TTL
101
PHY Port B Request Datak5l
BRD5
I
TTL
102
CMOS IO Ground
GND
a
0V
103
PHY Port B Indicate Datak6l
BID6
O
TTL
104
PHY Port B Request Datak6l
BRD6
I
TTL
105
PHY Port B Indicate Datak7l
BID7
O
TTL
68



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