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M75179P 데이터시트 PDF




Mitsubishi에서 제조한 전자 부품 M75179P은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 M75179P 자료 제공

부품번호 M75179P 기능
기능 RS-485 TRANSCEIVER
제조업체 Mitsubishi
로고 Mitsubishi 로고


M75179P 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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M75179P 데이터시트, 핀배열, 회로
MITMSITUSBUISBHISI HDI IGDIITGAITLAALSASSPSP
M75176MP7,5M1767P5, M1775717P7P
M75178MP7,5M1787P5, M1775917P9P
RSR-4S8-548T5RTARNASNCSECIVEEIVRER
DESCRIPTION
Each of the M75176 to M75179 is a semiconductor IC with a
built-in differential driver and a built-in differential receiver
both of which meet the EIA standards RS-422A and RS-485.
FEATURES
Common
• 5V single power supply
• With output control input (except M75179P)
Driver
• 54terminal resistor connectable between outputs.
• High output impedance at power-OFF time
• Built-in output current limit circuit
Receiver
• High input sensitivity (±200mV max.)
• Hysteresis input (50mV typ.)
• High input impedance (12kmin.)
• “H” emitted when input is open (failsafe function)
APPLICATION
High-speed data transmission interface for digital equipment
DESCRIPTION OF FUNCTION
The M75176P to M75179P are line interface ICs which meet
EIA standards RS-422A and RS-485, and are suitable for
long-distance, high-speed data transmission.
The M75176P is designed to connect the driver circuit output
and the receiver input to each other internally, and serves as
a line transceiver. The M75177P/M75178P is designed to
connect the receiver circuit output and the driver circuit input
internally, and serves as a line repeater. The M75177P and
M75178P enter the output enabled state with active “H” and
active “L”, respectively. The M75179P is equipped with a
built-in differential driver and a built-in differential receiver. It
does not have an output control input pin but its output im-
pedance at the power-OFF time goes high.
PIN CONFIGURATION (TOP VIEW)
RECEIVER OUTPUT R 1
RECEIVER OUTPUT
CONTROL INPUT
RE
2
DRIVER OUTPUT
CONTROL INPUT
DE
3
DRIVER INPUT D 4
8 VCC
7 B
6 A
I/O BUS
5 GND
M75176P
VCC 1
REPEATER OUTPUT T 2
OUTPUT CONTROL INPUT EN 3
GND 4
8 A
7 B
RECEIVER INPUT
6 Z
5 Y
DRIVER OUTPUT
M75177P
VCC 1
REPEATER OUTPUT T 2
OUTPUT CONTROL INPUT EN 3
GND 4
8 A
7 B
RECEIVER INPUT
6 Z
5 Y
DRIVER OUTPUT
M75178P
VCC 1
RECEIVER OUTPUT R 2
DRIVER INPUT D 3
GND 4
8 A
7 B
RECEIVER INPUT
6 Z
5 Y
DRIVER OUTPUT
M75179P
Outline 8P4
1




M75179P pdf, 반도체, 판매, 대치품
SWITCHING CHARACTERISTICS (Driver) (VCC = 5V, Ta=25°C)
Symbol
Parameter
Test conditions
tDD
tTD
Differential output delay time
Differential output transition time
RL=54
CL=50pF
See Fig. 2.
tPLH
tPHL
Output “L - H” propagation delay time
Output “H - L” propagation delay time
RL=27
CL=50pF
See Fig. 3.
tPZH “H” enable time
tPZL “L” enable time
tPHZ “H” disable time
RL=110
CL=50pF
See Figs. 4 & 5.
tPLZ “L” disable time
MITSUBISHI DIGITAL ASSP
M75176P, M75177P
M75178P, M75179P
RS-485 TRANSCEIVER
Limits
Unit
Min. Typ. Max.
13 25 ns
11 25 ns
15 25 ns
12 25 ns
23 35 ns
16 35 ns
11 25 ns
22 35 ns
ELECTRICAL CHARACTERISTICS (Receiver) (VCC = 5V ± 5%, Ta = –20 ~ 75°C, unless otherwise noted)
Symbol
Parameter
Test conditions
Min.
VTH High threshold voltage
VO=2.7V, IO=–0.4mA
VTL Low threshold voltage
VO=0.5V, IO=16mA
–0.2
VT+ - VT–
Hysteresis width (Note 4)
VIK Enable input clamp voltage
II=–18mA
VOH “H” output voltage
VID=0.2V, IOH=–0.4mA
2.7
VOL “L” output voltage
VID=–0.2V
IOL=8mA
IOL=16mA
75176
VO=0.4 ~ 2.4V
IOZ Off-state output current
VO=0.4V
75177/178
VO=2.4V
II Line input current
Other input 0V
VO=12V
VO=–7V
IIH “H” enable input current 75176/177/178 VIH=2.7V
75176
IIL “L” enable input current
VIL=0.4V
75177/178
ri Input resistance
12
IOS Output short-circuit current
VO=0V
–15
ICC Supply voltage
Output enable
No output load
Output disable
*: The standard value is given on the condition of VCC = 5V and Ta = 25°C.
Note 4: The hysteresis width is the difference between positive threshold voltage VT+ and negative threshold voltage VT–.
Limits
Typ.*
50
3.6
0.23
0.30
SWITCHING CHARACTERISTICS (Receiver) (VCC = 5V, Ta=25°C)
Symbol
Parameter
Test conditions
tPLH Output “L - H” propagation delay time
CL=15pF See Fig. 6.
tPHL Output “H - L” propagation delay time
tPZH “H” enable time
tPZL “L” enable time
CL=15pF See Fig. 7.
tPHZ “H” disable time
tPLZ “L” disable time
CL=15pF See Fig. 7.
Limits
Min. Typ.
22
19
9
11
17
22
Max.
0.2
–1.5
0.45
0.5
±20
–400
20
1
–0.8
20
–100
–400
–85
48
48
Unit
V
V
mV
V
V
V
mA
mA
mA
mA
k
mA
mA
Max.
35
35
20
20
35
35
Unit
ns
ns
ns
ns
ns
ns
4

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M75179P 전자부품, 판매, 대치품
THERMAL DERATING
THERMAL DERATING CHARACTERISTIC
1000
750
8P4 Unit
500
250
0
–20
0
20 40 60 80
AMBIENT TEMPERATURE Ta (°C)
DRIVER
“H” OUTPUT VOLTAGE
“L” OUTPUT VOLTAGE - OUTPUT CURRENT CHARACTERISTIC
5 VCC=5V 5
Ta=25°C
44
VOH
33
22
VOL
11
00
0 20 40 60 80 100
OUTPUT CURRENT SOURCE IO (mA)
SWITCHING CHARACTERISTIC
6 Y-Z
Differential output
voltage waveform
4 D input
voltage
waveform
4
2
0
2
VCC=5V
Ta=25°C
–2
0
–4
0 20 40 60 80
DIFFERENTIAL OUTPUT DELAY TIME tDD,
DIFFERENTIAL OUTPUT TRANSITION TIME tTD (ns)
MITSUBISHI DIGITAL ASSP
M75176P, M75177P
M75178P, M75179P
RS-485 TRANSCEIVER
SUPPLY CURRENT - SUPPLY VOLTAGE CHARACTERISTIC
50
40
30
20
10
0
0
Output disable
EN = 0V
Output enable
EN = 4.5V
M75177P
A=0V
B=4.5V
Ta=25°C
2468
SUPPLY VOLTAGE VCC (V)
10
DIFFERENTIAL OUTPUT VOLTAGE
IN-PHASE OUTPUT VOLTAGE - OUTPUT CURRENT CHARACTERISTIC
5
VCC=5V
Ta=25°C
5
44
Load line
RL=100Load line
3 RL=543
VOC
22
VOD
11
00
0 20 40 60 80 100
OUTPUT CURRENT IO (mA)
SWITCHING CHARACTERISTIC
6
4
D input
voltage
2 waveform
VCC=5V
Ta=25°C
Y output voltage waveform
Z output voltage waveform
0
0 20 40 60 80
OUTPUT “L-H” PROPAGATION DELAY TIME tPLH,
OUTPUT “H-L” PROPAGATION DELAY TIME tPHL (ns)
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
M75179P

RS-485 TRANSCEIVER

Mitsubishi
Mitsubishi

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