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SN75LBC180 PDF预览

SN75LBC180

更新时间： 2024-11-19 22:53:31
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
15页 219K
描述
LOW-POWER DIFFERENTIAL LINE DRIVER AND RECEIVER PAIRS

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SN75LBC180 数据手册

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SN65LBC180, SN75LBC180  
LOW-POWER DIFFERENTIAL LINE DRIVER AND RECEIVER PAIRS  
SLLS174B – FEBRUARY 1994 – REVISED JANUARY 2000  
Designed for High-Speed Multipoint Data  
Transmission Over Long Cables  
D OR N PACKAGE  
(TOP VIEW)  
Operate With Pulse Durations as Low  
as 30 ns  
NC  
V
V
A
B
Z
Y
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
CC  
CC  
R
RE  
Low Supply Current . . . 5 mA Max  
Meet or Exceed the Requirements of ANSI  
Standard RS-485 and ISO 8482:1987(E)  
DE  
D
3-State Outputs for Party-Line Buses  
GND  
GND  
8
NC  
Common-Mode Voltage Range of  
–7 V to 12 V  
NC–No internal connection  
Thermal Shutdown Protection Prevents  
Driver Damage From Bus Contention  
Function Tables  
Positive and Negative Output Current  
Limiting  
DRIVER  
INPUT  
ENABLE  
OUTPUTS  
Pin Compatible With the SN75ALS180  
D
H
L
DE  
H
H
Y
H
L
Z
L
H
Z
description  
X
L
Z
The SN65LBC180 and SN75LBC180 differential  
driver and receiver pairs are monolithic integrated  
circuits designed for bidirectional data  
communication over long cables that take on the  
characteristics of transmission lines. They are  
balanced, or differential, voltage mode devices  
that meet or exceed the requirements of industry  
standards ANSI RS-485 and ISO 8482:1987(E).  
Both devices are designed using TI’s proprietary  
LinBiCMOS with the low power consumption of  
CMOS and the precision and robustness of  
bipolar transistors in the same circuit.  
RECEIVER  
DIFFERENTIAL INPUTS  
A–B  
ENABLE  
OUTPUT  
RE  
L
L
L
H
L
R
H
?
L
Z
H
V
≥ 0.2 V  
ID  
–0.2 V < V < 0.2 V  
ID  
≤ – 0.2 V  
X
V
ID  
Open circuit  
H = high level, L = low level, ? = indeterminate, X = irrelevant,  
Z = high impedance (off)  
†
logic symbol  
Both the SN65LBC180 and SN75LBC180  
combine a differential line driver and receiver with  
3-state outputs and operate from a single 5-V  
supply. The driver and receiver have active-high  
and active-low enables, respectively, which can  
be externally connected to function as a direction  
control. The driver differential outputs and the  
receiver differential inputs are connected to  
separate terminals for full-duplex operation and  
are designed to present minimum loading to the  
4
5
9
DE  
D
EN1  
Y
Z
1
1
10  
3
2
12  
11  
RE  
R
EN2  
2
A
B
†
This symbol is in accordance with ANSI/IEEE Std 91-1984  
and IEC Publication 617-12.  
logic diagram (positive logic)  
bus whether disabled or powered off (V  
= 0).  
CC  
4
These parts feature a wide common-mode  
voltage range making them suitable for  
point-to-point or multipoint data-bus applications.  
DE  
9
5
Y
Z
D
10  
3
2
RE  
12  
11  
A
B
R
LinBiCMOS is a trademark of Texas Instruments Incorporated.  
Copyright 2000, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...15

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SN75LBC180 替代型号

型号 品牌 替代类型 描述 数据表
SN55LBC180 TI

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 LOW-POWER RS-485 LINE DRIVER AND RECEIVER PAIRS
SN65LBC180 TI

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 LOW-POWER DIFFERENTIAL LINE DRIVER AND RECEIVER PAIRS
SN65ALS180 TI

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 DIFFERENTIAL DRIVER AND RECEIVER PAIRS

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