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SN65LBC175A PDF预览

SN65LBC175A

更新时间: 2024-11-23 04:51:15
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德州仪器 - TI /
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14页 338K
描述
QUADRUPLE RS-485 DIFFERENTIAL LINE RECEIVERS

SN65LBC175A 数据手册

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ꢀꢁꢂ ꢃ ꢄ ꢅꢆꢇ ꢈ ꢃ ꢉꢊ ꢀꢁꢈ ꢃ ꢄ ꢅꢆ ꢇꢈ ꢃꢉ  
ꢋ ꢌꢉꢍꢎ ꢌꢏꢄ ꢐ ꢎꢀ ꢑꢒꢓ ꢃ ꢍꢔ ꢕꢕ ꢐꢎ ꢐꢁꢖ ꢔꢉ ꢄ ꢄ ꢔꢁꢐ ꢎꢐ ꢆꢐ ꢔ ꢗꢐ ꢎ ꢀ  
SLLS455B − NOVEMBER 2000 − REVISED MARCH 2005  
SN65LBC175A (Marked as 65LBC175A)  
SN75LBC175A (Marked as 75LBC175A)  
D or N PACKAGE  
D
Designed for TIA/EIA-485, TIA/EIA-422, and  
ISO 8482 Applications  
1
D
Signaling Rate Exceeding 50 Mbps  
(TOP VIEW)  
D
Fail-Safe in Bus Short-Circuit, Open-Circuit,  
and Idle-Bus Conditions  
1B  
1A  
V
CC  
4B  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
D
D
D
D
D
ESD Protection on Bus Inputs  
Exceeds 6 kV  
1Y  
4A  
1,2EN  
2Y  
4Y  
Common-Mode Bus Input Range  
–7 V to 12 V  
3,4EN  
3Y  
2A  
Propagation Delay Times <16 ns  
2B  
10 3A  
3B  
GND  
9
Low Standby Power Consumption <20 µA  
Pin-Compatible Upgrade for MC3486,  
DS96F175, LTC489, and SN75175  
logic diagram  
1,2EN  
description  
1A  
1B  
The SN65LBC175A and SN75LBC175A are  
1Y  
2Y  
quadruple differential line receivers with 3-state  
outputs, designed for TIA/EIA-485 (RS-485),  
TIA/EIA-422 (RS-422), and ISO 8482 (Euro  
RS-485) applications.  
2A  
2B  
These devices are optimized for balanced  
multipoint bus communication at data rates up to  
and exceeding 50 million bits per second. The  
transmission media may be twisted-pair cables,  
printed-circuit board traces, or backplanes. The  
ultimate rate and distance of data transfer is  
dependent upon the attenuation characteristics of  
the media and the noise coupling to the  
environment.  
3,4EN  
3A  
3B  
3Y  
4Y  
4A  
4B  
Each receiver operates over a wide range of positive and negative common-mode input voltages, and features  
ESD protection to 6 kV, making it suitable for high-speed multipoint data transmission applications in harsh  
environments. These devices are designed using LinBiCMOSt, facilitating low power consumption and  
inherent robustness.  
Two EN inputs provide pair-wise enable control, or these can be tied together externally to enable all four drivers  
with the same signal.  
The SN75LBC175A is characterized for operation over the temperature range of 0°C to 70°C. The  
SN65LBC175A is characterized over the temperature range from −40°C to 85°C.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
LinBiCMOS is a trademark of Texas Instruments.  
1
The signaling rate of a line is the number of voltage transitions that are made per second expressed in the units bps (bits per second).  
ꢖꢤ  
Copyright 2001, Texas Instruments Incorporated  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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