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PDF M54617P Data sheet ( Hoja de datos )
| Número de pieza | M54617P | |
| Descripción | LAN TRANSCEIVER | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI <CONTROL / DRIVER IC>
M54617P
LAN TRANSCEIVER
DESCRIPTION
The M54617P is an integrated circuit for two-wire system LAN
transceivers in compliance with J1850.
It has a built-in function detecting bus-line abnormality, and allows
ERR signal to turn to “L” in case of abnormality. In addition, the
selector permits the output of normal bus signal.
Turning the standby signal to “L” provides a low current dissipation
status, when both BUS(+) and BUS(-) of the driver are turned OFF.
Further, inputting “H” level to ERR pin when in the standby mode
allows error output to be reset.
FEATURES
q Compliance with SAE J1850 standards
q Built-in function detecting bus-line abnormality
APPLICATION
LAN transceivers in general and other communication transceivers
(The M59330P having the same function is available as a vehicle-
loaded LAN transceiver).
PIN CONFIGURATION (TOP VIEW)
Data input TX
Standby input STB
Error I/O ERR
Data output RX
1
2
3
4
8 VDD
Power supply
7 BUS(+)
Bus-line I/O
6 BUS(-)
5 VSS
GND
Outline 8P4
BLOCK DIAGRAM
Data input TX 1
Standby
input
STB 2
Error I/O ERR 3
Data output RX 4
Output control
circuit
Standby control
circuit
Abnormality
detection circuit
Selector
Overcurrent
detection circuit
Driver
Driver
BUS (+) signal
detection
circuit
Filter
BUS (-) signal
detection
circuit
8 VDD
Power
supply
7 BUS (+)
Bus-line
I/O
6 BUS (-)
5 VSS
GND
1 page  
MITSUBISHI <CONTROL / DRIVER IC>
M54617P
LAN TRANSCEIVER
ELECTRICAL CHARACTERISTICS (Ta = 25°C and VDD = 5.0V when in normal operation unless otherwise noted)
Symbol
Parameter
IDD1 Supply current 1
IDD2 Supply current 2
IDD3 Supply current 3
VTH1
VTH2
VTL
VHYSL
VCIN
VHYSB
“H” input threshold voltage 1
“H” input threshold voltage 2
“L” input threshold voltage
Hysterisis width
BUS input voltage range
Input hysterisis width
IIPP1
BUS(+) leakage current 1
IIDP1
BUS(+) leakage current 2
IIPP2
BUS(+) leakage current 3
IIDP2
BUS(+) leakage current 4
Conditions
RBUS = 105Ω,
TX = “L”, STB = “H”
RBUS = 105Ω,
TX = “H”, STB = “H”
RBUS = 105Ω,
TX = STB = “H”
ERR
TX, STB
TX, STB
TX, STB
BUS(+), BUS(-)
BUS(+) and BUS(-) differential input
When the power supply is turned OFF
(VDD = 0V), BUS(+) = 0V
When the power supply is turned OFF
(VDD = 0V), BUS(+) = 5V
When the power supply is turned ON
BUS(+) = 0V
When the power supply is turned ON
BUS(+) = 5V
Limits
Min. Typ. Max.
5.0
Unit
mA
55 mA
200 µA
2.2 3.2 V
2.3 3.5 V
1.6 2.8 V
0.4 1.0 V
VSS VDD-2.0 V
70 300 mV
100 µA
100 µA
-20 µA
100 µA
IIPM1
BUS(-) leakage current 1
IIDM1
BUS(-) leakage current 2
IIPM2
BUS(-) leakage current 3
IIDM2
VDROP1
VDROP2
VOH1
VOL1
VOH2
IPD
CI1
CI2
VTH1
BUS(-) leakage current 4
Driver and drop voltage
“H” output voltage 1
“L” output voltage 1
“H” output voltage 2
ERR pulldown current
Input capacitance 1
Input capacitance 2
Grounding offset voltage
When the power supply is turned OFF
(VDD = 0V), BUS(-) = 5V
When the power supply is turned OFF
(VDD = 0V), BUS(-) = 0V
When the power supply is turned ON
BUS(-) = 5V
When the power supply is turned ON
BUS(-) = 0V
IBUS(+) = -50mA
IBUS(-) = +50mA
RX pin IOH = -1mA
RX pin IOL = +1mA
ERR pin IOH = -1mA
ERR pin VOH = 3.0V
When the power supply is turned OFF
(VDD = 0V)
When the power supply is turned ON
Between 2 nodes
100 µA
100 µA
20 µA
100 µA
1.5
V
0.6
4.5 5.0 V
0.6 V
4.5 5.0 V
350 700
µA
150 pF
150 pF
0.5 V
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet M54617P.PDF ] | |
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