DP83257VF National Semiconductor, DP83257VF Datasheet - Page 138

• Manufacturer Part Number: DP83257VF
• Description: IC FDDI LAYER CTRLR 160PQFP
• Manufacturer: National Semiconductor

Specifications of DP83257VF

• Controller Type: physical layer controller
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 160-BFQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Interface: -
• Other names: *DP83257VF

8 0 Connection Diagrams
Pin No
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
Crystal Output
Crystal Input
ESD Power
ESD Ground
Loop Filter
Transmit Clock
Transmit Clock
ECL Power
PMD Request Data
PMD Request Data
Receive Clock Out
Receive Clock Out
ECL Power
ECL Ground
Signal Detect
Signal Detect
PMD Indicate Data
PMD Indicate Data
Sense Pin 0
Enable Pin 0
Sense Pin 1
Enable Pin 1
Sense Pin 2
Enable Pin 2
Cascade Start
Cascade Ready
ECL Power
ECL Ground
PMD Transmitter Enable
PMD Transmitter Enable Level
Receive Clock In
Receive Clock In
TABLE 8-3 DP83257 160-Pin PQFP Pinout Summary (Continued)
Signal Name
b
a
b
a
b
a
(Continued)
b
a
b
a
b
a
138
RXC OUT
RXC OUT
XTAL OUT
GND ESD
GND ECL
GND ECL
RXC IN
RXC IN
V
V
V
V
XTAL IN
PMRD
PMRD
LPFLTR
Symbol
CC
PMID
CC
CC
PMID
CC
TXC
TXC
SD
SD
N C
N C
N C
N C
N C
N C
SP0
EP0
SP1
EP1
SP2
EP2
TXE
TEL
CS
CR
b
a
ESD
b
a
ECL
ECL
ECL
b
a
b
a
b
a
b
a
I O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
Open Drain
Pin Type
a
a
a
a
a
a
a
ECL
ECL
ECL
ECL
ECL
ECL
ECL
ECL
ECL
ECL
ECL
ECL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
5V
0V
5V
5V
0V
5V
0V