SN75176BD - 8-Pin RS-485/RS-422 Transceiver | TI (Tape & Reel)
MPN: SN75176BD ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.1055 | $0.11 |
| 10 | $0.1055 | $1.06 |
| 100 | $0.1055 | $10.55 |
| 500 | $0.1055 | $52.75 |
| 1,000 | $0.1055 | $105.50 |
SN75176BD Overview
A differential bus transceiver is an interface IC that combines a differential line driver and a differential receiver into one package. In an RS-485 or RS-422 system, this transceiver connects a host controller or programmable logic device to a balanced cable network. The driver converts a single-ended logic signal into differential signals, and the receiver converts the differential pair back into a logic signal. This structure belongs to the interface-IC hierarchy and helps improve noise immunity in industrial environments.
The verified description states that SN75176BD meets or exceeds ANSI TIA/EIA-422-B and TIA/EIA-485-A requirements and ITU V.11 and X.27 recommendations. It is intended for multipoint transmission on long bus lines in noisy environments. The part is suitable when a system needs bidirectional data communication, balanced transmission lines, and a compact 8-pin surface-mount implementation. The exact electrical limits and timing values must be confirmed from the manufacturer datasheet before final design release.
Typical uses include industrial automation equipment, remote I/O, instrumentation, building controls, robotics, and other RS-485 or RS-422 networks. The transceiver can sit between a UART or other controller and a twisted-pair bus. Designers should provide proper decoupling, controlled-impedance routing, grounding, termination, and protection appropriate to the cable length and environment. Bus topology and biasing also depend on the network configuration and should follow the selected standard and system architecture.
For PCB implementation, place the transceiver close to the connector or bus header to minimize exposed unbalanced trace length. Route the differential pair together with matched geometry and avoid switching nodes beneath the pair. The 8-pin SOIC package supports conventional surface-mount assembly, while the exact pin assignments and electrical characteristics must be verified against the current TI datasheet before layout or replacement decisions.
This page combines the verified manufacturer identification, distributor pricing references, package information, standards references, and practical interface guidance. It distinguishes the SN75176BD from the broader SN75176B family while avoiding unsupported electrical claims where the supplied search data does not provide a verified numeric value.
Drop-in alternatives for SN75176BD — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with SN75176BD (same form factor and footprint) — differing in Operating Temperature Range, Package, Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
SN75176ADR
✅ Drop-In📋 Reference alternative (not in catalog)
SN75176BDRG4
✅ Drop-In📋 Reference alternative (not in catalog)
SN75176BDR
✅ Drop-In✓ In Stock
$0.1055 / Unit
View Datasheet →SN75176BTM
✅ Drop-In📋 Reference alternative (not in catalog)
SN75176BD Specifications
| Product Type | Differential bus transceiver |
| Supply Voltage | 5 V |
| Supported Standards | TIA/EIA-422-B and TIA/EIA-485-A |
| ITU Recommendations | V.11 and X.27 |
| Communication Mode | Bidirectional |
| Bus Architecture | Multipoint transmission |
| Transmission Line Type | Balanced transmission lines |
| Driver Output State | 3-state |
| Receiver Output State | 3-state |
| Operating Temperature Range | 0 °C to 70 °C |
| Package | SOIC (D), 8 pins |
| Mounting Type | Surface mount |
| Pin Count | 8 pins |
| Manufacturer | Texas Instruments |
SN75176BD soic (d), 8 pins Pin Configuration Guide
Pin configuration for SN75176BD (soic (d), 8 pins package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for SN75176BD.
Refer to the datasheet for full pin configuration.
Typical Applications
SN75176BD is suitable for 8 applications: Industrial Automation Bus, Remote Sensor Network, Building Control Equipment, Robotics Controller Link, Instrumentation and Test Equipment, Data Acquisition System, Remote I/O Module, Power and Equipment Interface.
Industrial Automation Bus
The SN75176BD fits industrial automation equipment that communicates over balanced RS-485 or RS-422 links. Its 5 V differential-bus architecture is intended for bidirectional communication over multipoint lines in electrically noisy environments. Place the transceiver between a controller or UART and a twisted-pair bus, then provide the termination, biasing, grounding, surge protection, and connector implementation required by the selected network. The verified TI description supports use on long bus lines, while the actual distance and data rate must be validated against the complete datasheet and installation conditions.
Recommended
Remote Sensor Network
A remote sensor network can use the SN75176BD as the physical-layer interface between a sensor controller and a longer balanced cable run. Differential signaling helps reject common-mode noise that can affect single-ended links in industrial buildings or machinery rooms. The device's bidirectional architecture supports communication in both directions, allowing a remote node to send measurements and receive configuration commands. Designers should match the transceiver logic interface to the controller, confirm the operating temperature requirement of 0 °C to 70 °C, and design protection for the cable environment.
Recommended
Building Control Equipment
The SN75176BD is suitable for building-control equipment that distributes commands and status data over a balanced RS-485 or RS-422 network. A multi-node bus can connect room controllers, access-control units, HVAC interfaces, or monitoring modules while maintaining noise-resistant differential signaling. The 8-pin SOIC package helps reduce board area, but placement should remain close to the connector to keep the unbalanced segment short. Confirm logic levels, enable control, bus termination, fault behavior, and environmental protection against the TI datasheet before production release.
Recommended
Robotics Controller Link
Robotics systems can use the SN75176BD between a motion or supervisory controller and a remote actuator or sensor node. Balanced differential signaling is useful where motor drives, relays, and switching equipment create electrical noise near the wiring. The device supports bidirectional communication, allowing the controller to exchange commands, status, and diagnostics over one bus. Use short, controlled routing from the IC to the connector, maintain a continuous return or reference strategy appropriate to the cable, and validate the bus under the expected motor-noise conditions.
Recommended
Instrumentation and Test Equipment
The SN75176BD can interface laboratory or field instrumentation that uses a balanced point-to-point or multipoint bus. It is appropriate when measurements and commands need a noise-resistant differential connection between a controller and remote instrumentation. The 8-pin SOIC footprint supports compact front-end designs, while the transceiver's bidirectional capability can simplify control and data flow. Verify the maximum data rate, propagation delay, receiver thresholds, supply current, and temperature limits from the current TI datasheet because those numeric values were not included in the supplied search excerpts.
Recommended
Data Acquisition System
The SN75176BD can connect a data-acquisition controller to distributed sensors or signal-conditioning modules over a differential bus. Bidirectional communication permits configuration commands and diagnostic responses without separate transmit and receive controller ports. The device's stated suitability for noisy multipoint lines supports industrial environments where cables may run near motors, switching supplies, or other interference sources. The board design should include controlled differential routing, adequate grounding, connector-level protection, and a termination strategy validated for the actual cable length and topology.
Recommended
Remote I/O Module
Remote I/O modules can use the SN75176BD to connect field inputs, outputs, or sensor nodes to a central controller through a balanced communication line. The interface is appropriate for systems requiring bidirectional command and status traffic over multipoint wiring, particularly where common-mode interference is a concern. Keep the transceiver's unbalanced traces short, use a continuous differential route where possible, and place protection components close to the external connector. Confirm that the transceiver's verified operating range and electrical timing match the module's environmental requirements.
Recommended
Power and Equipment Interface
The SN75176BD may be used in equipment that needs a reliable command and status link between a power-control board and a remote module. Differential signaling helps preserve data integrity when the wiring shares an enclosure with power converters or relays. The device's 5 V supply requirement and 8-pin SOIC package should be checked against the surrounding power architecture, while the 0 °C to 70 °C operating range limits the stated commercial-temperature envelope. Confirm all logic and timing details from TI documentation before using it as a safety or protection control element.
Recommended
Recommended Products Summary
Engineering reference data for SN75176BD — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | SN75176ADR | SN75176BDG4 | SN75176BD | SN75176B | SN75176BTM |
|---|---|---|---|---|---|---|
| Package | SOIC (D), 8 pins | SOIC (D), 8 pins | SOIC (D), 8 pins | SOIC (D), 8 pins | SOIC (D), 8 pins | SOIC (D), 8 pins |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Type | Differential bus transceiver | Differential bus transceiver | Differential bus transceiver | Differential bus transceiver | Differential bus transceiver | Differential bus transceiver |
Key Differentiators
- Verified TI identity and standards positioning (vs SN75176B)
- Same-package family alternatives (vs SN75176ADR)
- Bidirectional balanced-bus function (vs SN75176BDG4)
Design Notes
Place the transceiver close to the external connector and route the balanced pair as a controlled differential pair. Keep the distance between the pair's traces and the ground reference as short and consistent as practical, avoid discontinuities, and avoid placing unrelated switching traces directly beneath the bus pair. The supplied data confirms an 8-pin SOIC device but does not provide a land pattern or complete pin table, so use the TI package drawing and pinout before finalizing the PCB.
Provide the required 5 V supply and place local decoupling at the transceiver's supply pins according to the manufacturer layout guidance. Keep supply-return current close to the device and separate noisy switching-node currents from the interface ground path. Because the supplied excerpts do not include the verified current rating, input-voltage tolerance, or recommended capacitor values, those values must be taken from the current TI datasheet rather than estimated.
Do not select a replacement solely because its description says RS-485 or because it uses an 8-pin SOIC. Confirm the complete pin function, logic levels, enable polarity, driver output impedance, receiver thresholds, propagation timing, temperature grade, and package dimensions. Also verify whether the bus requires termination, fail-safe biasing, or isolation. The verified excerpts establish the target's standards intent and package class, but they do not provide enough data to certify arbitrary substitutes as drop-in replacements.
Treat the external bus as a potentially noisy environment. Use a suitable connector and protection strategy, keep the cable-side protection close to the connector, and provide a defined grounding or common-mode strategy consistent with the installation. The target is intended for balanced transmission and multipoint buses in noisy environments, but the system's EMC performance still depends on cable shielding, enclosure design, filtering, chassis grounding, and tested equipment layout.
Compliance Information
The supplied search excerpts identify the manufacturer, package, standards references, and distributor information but do not provide verified compliance declarations. Compliance must be confirmed from the current TI product page, datasheet, and applicable manufacturer documentation.
