SN65LBC176APG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The SN65LBC176APG4 is a differential bus transceiver from Texas Instruments designed for RS-485 and RS-422 serial communication, supporting half-duplex operation over balanced differential lines. It integrates a driver and receiver in a single 8-pin DIP package, providing robust noise immunity and up to 32-unit load capacity for industrial multi-drop bus networking applications.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- SN65LBC176APG4 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- RS-485 and RS-422 compatible differential bus transceiver
- Half-duplex operation with integrated driver and receiver
- High noise immunity on differential balanced bus lines
- Supports up to 32-unit loads for multi-drop network configurations
- 8-pin DIP package for through-hole industrial board assembly
- Designed for harsh industrial communication environments
Applications
The SN65LBC176APG4 is commonly used in industrial RS-485 multi-drop networks for factory automation, building control systems, and SCADA data acquisition where long-distance, noise-immune serial communication is required. It is also used in RS-422 point-to-point links for connecting PLCs, sensors, motor drives, and instrumentation over distances up to 1200 meters at standard RS-485 data rates.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What communication standard does the SN65LBC176APG4 support?
The SN65LBC176APG4 supports both RS-485 and RS-422 differential serial communication standards. RS-485 allows multi-drop bus networks with up to 32 unit loads, while RS-422 is typically used for point-to-point full-duplex communication. Both standards use differential signaling for high noise immunity over long cable runs in industrial environments.
What is the maximum bus load capacity of the SN65LBC176APG4?
The SN65LBC176APG4 can drive up to 32 unit loads on a single RS-485 bus segment, which corresponds to 32 standard RS-485 receivers or an equivalent combination of transceivers and receivers. This allows large multi-drop networks to be constructed without additional repeaters or bus extenders in typical industrial installation scenarios.
Is the SN65LBC176APG4 full-duplex or half-duplex?
The SN65LBC176APG4 operates in half-duplex mode, meaning it uses a single pair of differential bus lines for both transmitting and receiving, but not simultaneously. Direction is controlled by the driver enable and receiver enable pins. For full-duplex RS-422 applications, two separate differential pairs are used for transmit and receive.
What package does the SN65LBC176APG4 use?
The SN65LBC176APG4 is housed in an 8-pin DIP (Dual-In-Line Package), a through-hole format commonly found in industrial and legacy communication board designs. The 8-pin DIP allows easy installation in PCB sockets for field replacement, and the small pin count reflects the simple single-channel driver/receiver architecture of the device.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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