dp83251 National Semiconductor Corporation, dp83251 Datasheet - Page 64
dp83251
Manufacturer Part Number
dp83251
Description
Player Device Fddi Physical Layer Controller
Manufacturer
National Semiconductor Corporation
Datasheet
1.DP83251.pdf
(96 pages)
- Current page: 64 of 96
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6 0 Pin Descriptions
POWER AND GROUND
All power pins should be connected to a single 5V power supply All ground pins should be connected to a common 0V supply
NO CONNECT PINS
Symbol
GND
V
GND
GND
V
GND
V
GND
V
GND
V
GND
V
GND
V
GND
Symbol
N C
N C
N C
N C
CC
CC
CC
CC
CC
CC
CC
Pin No
Pin No
12
20
22
24
38
41
44
47
50
62
64
66
81
84
31
32
54
55
3
6
I O
I O
(Continued)
Ground Power supply return for Control Bus Interface CMOS I Os
Power Positive 5V power supply (
CMOS I Os
Ground Power supply return for internal CMOS logic
Ground Power supply return for Port A Interface CMOS I Os
Power Positive 5V power supply (
CMOS I Os
Ground Power supply return to internal CMOS logic
Power Positive 5V power supply (
Ground Power supply return for internal ECL logic
Power Positive 5V power supply (
Os
Ground Power supply return for internal ECL logic
Power Positive 5V power supply (
Os
Ground Power supply return for internal CMOS logic
Power Positive 5V power supply (
CMOS I Os
Ground Power supply return for Port A Interface CMOS I Os
Power Positive 5V power supply (
Ground Power supply return for internal CMOS logic
No Connect Not used by the PLAYER device
No Connect Not used by the PLAYER device
No Connect Not used by the PLAYER device
No Connect Not used by the PLAYER device
64
g
g
g
g
g
g
g
5% relative to ground) for Control Bus Interface
5% relative to ground) for the Port A Interface
5% relative to ground) for internal ECL logic
5% relative to ground) for the Serial Interface ECL I
5% relative to ground) for the Serial Interface ECL I
5% relative to ground) for the Port A Interface
5% relative to ground) for internal CMOS logic
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