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DP83251 Datasheet(PDF) 67 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) 67 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
36
PHY A Indicate Datak4l
AID4
O
TTL
37
PHY A Request Datak4l
ARD4
I
TTL
38
CMOS Logic Ground
GND
a
0V
39
PHY Port A Indicate Datak3l
AID3
O
TTL
40
PHY Port A Request Datak3l
ARD3
I
TTL
41
PHY Port A Indicate Datak2l
AID2
O
TTL
42
PHY Port A Request Datak2l
ARD2
I
TTL
43
PHY Port A Indicate Datak1l
AID1
O
TTL
44
PHY Port A Request Datak1l
ARD1
I
TTL
45
PHY Port A Indicate Datak0l
AID0
O
TTL
46
Port A Request Datak0l
ARD0
I
TTL
47
Cascade Start
CS
I
TTL
48
Cascade Ready
CR
O
Open Drain
49
No Connect
NC
50
No Connect
NC
51
No Connect
NC
52
No Connect
NC
53
No Connect
NC
54
No Connect
NC
55
No Connect
NC
56
No Connect
NC
57
Clock Detect
CD
I
TTL
58
Signal Detect
TTLSD
I
TTL
59
External Loopback Enable
ELB
O
TTL
60
Receive Bit Clock a
RXCa
I
ECL
61
Receive Bit Clock b
RXCb
I
ECL
62
ECL Logic Power
VCC
a
5V
63
Receive Data a
RXDa
I
ECL
64
Receive Data b
RXDb
I
ECL
65
ECL Logic Ground
GND
a
0V
66
External Loopback Data a
LBDa
O
ECL
67
External Loopback Data b
LBDb
O
ECL
68
ECL IO Power
VCC
a
5V
69
Transmit Data a
TXDa
O
ECL
70
Transmit Data b
TXDb
O
ECL
67



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