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DP83220 Datasheet, PDF (4/10 Pages) National Semiconductor (TI) – CDL Twisted Pair FDDI Transceiver Device
4 0 Electrical Characteristics
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
RXVCC
TXVCC
EXTVCC
IECL
ESD
Tstorage
Parameter
Logic Power
Received Power
Transmit Power
ECL Output Power
DC Output Current (High)
Storage Temperature
Conditions
Referenced to GND
Referenced to RXGND
Referenced to TXGND
Referenced to GND
Min
b0 5
b0 5
b0 5
b0 5
b65
Typ
TBD
Max
60
60
60
60
b50
a150
Units
V
V
V
V
mA
C
4 1 RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VCC
Supply Voltage
TA
Operating Temperature
PD
Power Dissipation
45
50
55
V
0
25
70
C
600
mW
4 2 DC ELECTRICAL CHARACTERISTICS TA e 25 C
Symbol
Parameter
Conditions
VIHt
VILt
VIHschmitt
VILschmitt
VIHmsel
VILmsel
VIMmsel
VIHe
VILe
VOHe
VOLe
ICC1
ICCT
ITXO1
ITXO2
SDTHon
SDTHoff
TTL High Level Input
TTL Low Level Input
Schmitt High Level Input
Schmitt Low Level Input
MSEL High Level Input
MSEL Low Level Input
MSEL Middle Level Input
ECL High Level Input
ECL Low Level Input
ECL High Level Output
ECL Low Level Output
Total Supply Current
Transmit Current 1
Transmit Current 2
Sig Det Turn-On Threshold
Sig Det Turn-Off Threshold
Refer to Figure 4
Refer to Figure 4
Refer to Figure 4
Refer to Figure 4
Transmit Current 100X ZO
Transmit Current 150X ZO
Refer to Figure 5 Note 1
Refer to Figure 5 Note 1
Min
20
37
37
VCC b 1165
VCC b 1830
VCC b 1035
VCC b 1830
60
Typ
VCC 2
90
145
Max
08
15
15
VCC b 870
VCC b 1475
VCC b 870
VCC b 1605
20
15
15
Units
V
V
V
V
V
V
V
mV
mV
mV
mV
mA
mA
mA
mA
mV
mV
4 3 AC ELECTRICAL CHARACTERISTICS TA e 25 C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
tTXr f
TX Driver Rise and Fall
Into 25X in Parallel with 50 pF
16
ns
tTXr f
TX Driver Rise and Fall
Into 37 5X in Parallel with 50 pF
25
ns
tTXpd
TX Propagation Delay
From PMRDg to TXOg
6
ns
tRXpd
RX Propagation Delay
From RXIg to PMIDg
10
ns
TTXskew
TX Driver Skew
0
ps
Note 1 Subject to change
4