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Texas Instruments SN75HVD08, SN65HVD08 Wide Supply Range RS-485 Transceiver Data Sheet Owner's Manual

Summary

This industrial-grade differential line driver and receiver is designed for reliable, balanced data transmission over extended, multipoint buses. Engineered to comply with TIA/EIA-485 standards, it provides robust communication capabilities across diverse environments. The manual details its technical specifications, highlighting features like wide supply voltage support (3V-5.5V) and low power consumption. It is ideal for engineers implementing industrial process control networks, point-of-sale systems, utility metering solutions, or any applications requiring stable data signal integrity.

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Page 1 Text Content

SN75HVD08, SN65HVD08

www.ti.com

SLLS550A–NOVEMBER 2002–REVISED MAY

WIDE SUPPLY RANGE RS-485 TRANSCEIVER

FEATURES The wide supply voltage range and low quiescent

current requirements allow the SN65HVD08s to•

Operates With 3-V to 5.5-V Supply

operate from 5-V power bus in the cable with as

Consumes Less Than m W Quiescent

much as 2-V line voltage drop. Busing power in the

Power

cable can alleviate the need for isolated power to be

Open-Circuit, Short Circuit, and Idle-Bus generated at each connection of ground-isolated•

bus.Failsafe

Receiver

1/8th Unit-Load (up to nodes on the bus) The driver differential outputs and receiver differential

inputs connect internally to form differential in-•

Bus-Pin ESD Protection Exceeds k V HBM

put/output (I/O) bus port that is designed to offer•

Driver Output Voltage Slew-Rate Limited for

minimum loading to the bus whenever the driver is

Optimum Signal Quality at Mbps

disabled or not powered. The drivers and receivers

Electrically Compatible With ANSI TIA/EIA-485 have active-high and active-low enables respectively,

which can be externally connected together to func-Standard

tion as direction control.

APPLICATIONS

D or P PACKAGE

Data Transmission With Remote Stations (TOP VIEW)

Powered From the Host

Isolated Multipoint Data Buses

Industrial Process Control Networks

Point-of-Sale Networks

Electric Utility Metering

DESCRIPTION LOGIC DIAGRAM (Positive Logic)

The SN65HVD08 combines 3-state differential line

driver and differential line receiver designed for bal-

anced data transmission and interoperation with ANSI

TIA/EIA-485-A and ISO-8482E standard-compliant DE

devices.

Remote (One of n Shown)

5 V Power Isolation

Barrier

Direct Connection to Host

SN65HVD08

5 V Return

Power Bus and Return Resistance

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.

PRODUCTION DATA information is current as of publication date. Copyright 2002–2003, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Page Summary Contents For Texas Instruments SN75HVD08, SN65HVD08 Wide Supply Range RS-485 Transceiver Data Sheet Owner's Manual

Page 1 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY WIDE SUPPLY RANGE RS-485 TRANSCEIVER FEATURES The wide supply voltage range and low quiescent current requirements allow the SN65HVD0...
Page 2 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam duri...
Page 3 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY ELECTRICAL CHARACTERISTICS over recommended operating conditions unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RL...
Page 4 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY RECEIVER SWITCHING CHARACTERISTICS over recommended operating conditions unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX...
Page 5 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY Parameter Measurement Information (continued) 3 V 1.5 V 1.5 VVI DE 0.5 V CL = 50 p F ±20% RL = 110 Ω t PZH ± 1%Input VOH Generator 50...
Page 6 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY Parameter Measurement Information (continued) 3 V VCC 0 V or 3 V CL = 15 p F ±20% CL Includes Fixture and Instrumentation Input Capac...
Page 7 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY Parameter Measurement Information (continued) 0 V or 1.5 V 1 kΩ ± 1% 1.5 V or 0 V CL = 15 p F ±20% CL Includes Fixture and Instrumen...
Page 8 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY EQUIVALENT INPUT AND OUTPUT SCHEMATIC DIAGRAMS D and RE Inputs DE Input VCC VCC Input Input A Input B Input VCCVCC Input Input A and ...
Page 9 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY ly rr en t – if fe re ti al tp lta TYPICAL CHARACTERISTICS DIFFERENTIAL OUTPUT VOLTAGE DRIVER OUTPUT CURRENT vs vs SUPPLY VOLTAGE SUP...
Page 10 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY APPLICATION INFORMATION As electrical loads are physically distanced from their power source, the effects of supply and return line U...
Page 11 SN75HVD08, SN65HVD08 www.ti.com SLLS550A–NOVEMBER 2002–REVISED MAY AN OPTO ALTERNATIVE The ISO150 is two-channel, galvanically isolated Local Power data coupler capable of data rates of Mbps. Each Sou...
Page 12 MECHANICAL DATA MPDI001A – JANUARY 1995 – REVISED JUNE 1999 P (R-PDIP-T8) PLASTIC DUAL-IN-LINE 0.070 (1,78) MAX 0.020 (0,51) MIN Gage Plane 0.200 (5,08) MAX Seating Plane 0.010 (0,25) NOM 0.125 (3,18)...
Page 14 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and servic...

Manual Details

Brand Texas Instruments
Pages 14
File Size 290.32 KB
Published June 18, 2026
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Frequently Asked Questions

What standards does the SN65HVD08 comply with?

It supports balanced data transmission and is interoperation compliant with ANSI TIA/EIA-485-A and ISO-8482E standards.

How must I store or handle the device to prevent damage?

The leads should be shorted together, or the device must be placed in conductive foam during storage or handling.

What is its operating supply voltage range?

It operates using a 3-V to 5.5-V Supply Voltage (V CC).

Does it support multiple devices on the bus?

Yes, the design supports up to a 1/8 Unit-Load of up to 256 nodes on the I/O bus.