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Products (38,000+)

SM2324 - 40Gb/s USB4 Single-Chip SSD Controller
SM2324

SM2324 - 40Gb/s USB4 Single-Chip SSD Controller

Silicon Motion SM2324 is a single-chip portable SSD controller with built-in USB4 support, a maximum data-transfer rate of 40 Gb/s, and support for storage capacities up to 32 TB. It unifies NAND and power-delivery management in a compact, energy-efficient architecture designed for portable SSDs and other high-speed external-storage systems. A single-chip SSD controller is an integrated semiconductor that coordinates a host interface, NAND flash storage, data transfer, power delivery, and storage-management functions. In the storage hierarchy, the SM2324 belongs to the flash-memory controller class, then SSD controller, then storage semiconductor, and ultimately the broader semiconductor and data-storage ecosystem. Its integration can reduce board-level coordination compared with a design that separates storage control and power-delivery functions. The verified manufacturer material identifies USB4 support, up to 4 GB/s data-transfer performance, support for capacities up to 32 TB, integrated NAND and power-delivery management, AES 256-bit encryption, end-to-end data-path protection, and integrated SRAM ECC. These features target portable SSDs and professional or security-sensitive applications that require both high throughput and data-integrity controls. The SM2324 is intended for compact external storage products handling large files, high-resolution media, AI-generated content, and other data-intensive workflows. Its 40 Gb/s USB4 interface can provide a substantial bandwidth improvement over earlier USB storage interfaces, while the integrated architecture is intended to support efficient development and a shorter path to market. Designers should confirm package details, electrical limits, firmware support, NAND compatibility, thermal performance, and power-delivery requirements against the manufacturer datasheet before layout. The controller is not a generic USB peripheral; its storage protocol, NAND interface, firmware, and validation requirements must be treated as one system. This page consolidates the verified manufacturer claims and separates confirmed facts from parameters that were not supplied. Pricing, stock, lifecycle, detailed pinout, and approved drop-in substitutions are not established by the provided web data and are marked accordingly.

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SM2504XT - PCIe 5.0 NVMe 2.0 SSD Controller | Silicon Motion
SM2504XT

SM2504XT - PCIe 5.0 NVMe 2.0 SSD Controller | Silicon Motion

Silicon Motion SM2504XT is a PCIe Gen5 x4 NVMe 2.0 SSD controller designed for high-performance, energy-efficient client solid-state drives. It delivers sequential read performance up to 11.5 GB/s, sequential write performance up to 11.0 GB/s, random read performance up to 1.7 million IOPS, and random write performance up to 2.0 million IOPS. The controller is built using TSMC's 6 nm process and is intended for compact PCIe 5.0 SSD designs. An SSD controller is the semiconductor system responsible for managing the connection between a host computer and NAND flash storage. In the storage hierarchy, an SM2504XT sits below the NVMe host interface and above the NAND array, translating storage commands, managing data paths, coordinating flash operations, and helping optimize endurance and performance. Its PCIe Gen5 x4 interface and NVMe 2.0 support target next-generation client SSD platforms. Key features include a four-channel architecture, support for Host Memory Buffer (HMB), and a design focused on DRAM-less SSD operation. The manufacturer describes the architecture as balancing performance, efficiency, and flexibility while supporting high-density, low-power storage solutions. The controller is reported to consume under 5 W and achieve an 11% performance-per-watt improvement compared with the previous generation. The SM2504XT is manufactured using TSMC N6, a 6 nm process technology associated with improved power efficiency and density compared with older process nodes. Its performance targets make it suitable for high-end client SSDs used in laptops, desktops, workstations, and other systems requiring PCIe 5.0 storage throughput. Typical applications include M.2 2280 NVMe SSDs, high-performance laptop SSDs, desktop gaming systems, workstation storage, and compact client storage designs. An engineering-sample 2 TB M.2 2280 configuration has been reported with 11,500 MB/s sequential read, 11,000 MB/s sequential write, 1,700K random read IOPS, and 2,000K random write IOPS. Designers should verify NAND-device support, firmware support, thermal behavior, power delivery, and the exact package footprint against the manufacturer documentation before releasing a production SSD. Because the verified material does not provide the physical package dimensions, pin list, endurance rating, or production pricing, those details require separate manufacturer confirmation. This page combines the official Silicon Motion product brief, manufacturer PDF, and verified public technical summaries to clarify the SM2504XT's positioning, performance targets, power-efficiency claims, and design validation points.

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SM2508 - PCIe 5.0 NVMe SSD Controller | Silicon Motion
SM2508

SM2508 - PCIe 5.0 NVMe SSD Controller | Silicon Motion

The Silicon Motion SM2508 is a high-performance, low-power PCIe Gen5 x4 NVMe 2.0 SSD controller solution designed for AI-capable PC notebooks, manufactured on TSMC's 6 nm process. It delivers an eight-channel PCIe 5.0 x4 storage-controller architecture and is positioned for high-density, high-performance, lower-power storage systems. The SM2508 is a controller semiconductor, not a complete SSD; its performance depends on the selected NAND packages, DRAM configuration, firmware, PCB design and thermal implementation. A PCIe SSD controller is the system-level component that connects NAND flash to a host computer through the PCI Express interface. The SM2508 belongs to the broader hierarchy of PCIe storage controller, NVMe controller, solid-state drive controller, memory controller and semiconductor. PCIe 5.0 x4 provides a high-bandwidth host interface, while NVMe 2.0 defines the storage protocol used by compatible SSDs. This combination is suited to AI notebooks and other systems that need faster storage response for large datasets and compute workflows. Verified source material identifies the SM2508 as an eight-channel PCIe 5.0 x4 NVMe controller released in 2024. Silicon Motion describes it as a high-performance, low-power solution intended to improve storage density and efficiency. One manufacturer-published result states up to 70% better efficiency compared with competitors, while another describes an example in terms of approximately 2,200 MB per watt versus a competitor value of 1,273 MB per watt. These efficiency claims are manufacturer or presentation claims and should be validated in the intended SSD design. The controller is manufactured using TSMC's 6 nm process, a meaningful implementation detail for a high-speed storage controller because the process can influence switching performance, power consumption and thermal characteristics. Reported engineering-sample SSD configurations use the M.2 2280 form factor and capacities from 1 TB to 2 TB. Published sample specifications also report PCIe 5.0 x4, NVMe 2.0, up to 2,000,000 random-read IOPS and up to 14,000 MB/s sequential read performance. These are system-level SSD figures, not guaranteed SM2508 controller specifications. Typical implementations include AI-capable notebooks, performance-oriented desktop PCs, gaming PCs, content-creation workstations and other systems requiring PCIe Gen5 storage. Controller selection must be coordinated with NAND interface requirements, PCIe lane configuration, power delivery, thermal design, firmware validation and SSD qualification. Published sample performance should not be treated as a production guarantee without validation of the exact NAND, firmware and thermal configuration.

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SN54HC157-SP - QML-V Quad 2:1 Multiplexer | Texas Instruments
SN54HC157-SP

SN54HC157-SP - QML-V Quad 2:1 Multiplexer | Texas Instruments

The Texas Instruments SN54HC157-SP is a radiation-tolerant, QML-V qualified quadruple 2-line to 1-line data selector/multiplexer designed for space and high-reliability applications. It selects one of two 4-bit data sources via a common select input (A/B) and routes the chosen word to four outputs, with an active-low strobe input (G) that forces all outputs low for bus isolation. A data selector/multiplexer is a combinational logic circuit that forwards one of several input signals to a common output. Multiplexers are fundamental building blocks of digital data-path design, used for bus arbitration, register file selection, and redundant path switching. The SN54HC157-SP implements the 2-to-1 multiplexing function for four independent channels and belongs to the HC (high-speed CMOS) logic family, which combines CMOS low static power with TTL-compatible drive capability. Key features include a wide operating supply range of 2 V to 6 V, low power consumption with a maximum ICC of 80 uA, and outputs that can drive up to 15 LSTTL loads. Typical propagation delay is 11 ns, with balanced +/-6-mA output drive at 5 V operation. The device is qualified to QML-V (MIL-PRF-38535 Appendix V) standards for radiation tolerance, making it appropriate for satellite and deep-space missions. Technically, the device uses a CMOS process providing high noise immunity and low static dissipation. Internal inverters and drivers supply full data selection to the four output gates. When the strobe (G) is high, all outputs are forced low, simplifying bus isolation. Inputs accept standard CMOS levels and are TTL compatible at 5 V operation. Typical applications include data routing in spacecraft telemetry systems, selection between primary and backup data paths in redundant architectures, and switching between instrument outputs in satellite payloads to conserve downlink bandwidth. The -55C to +125C operating range and hermetic ceramic DIP (CDIP-16) packaging support these extreme environments. When designing with this device, decouple VCC close to the pins, drive the strobe input to a known state during power-up, and verify select and data inputs meet setup and hold requirements relative to the system clock, considering the 11 ns typical propagation delay.

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SN54LS05 - Military 6-ch Open-Collector Inverter | TI
SN54LS05

SN54LS05 - Military 6-ch Open-Collector Inverter | TI

The SN54LS05 is a military-grade, 6-channel bipolar inverter with open-collector outputs, operating from a 4.5-V to 5.5-V supply. Manufactured by Texas Instruments, this device is designed for high-voltage, high-current interfacing and wired-OR logic applications. It comes in a 14-pin CDIP package, suitable for through-hole mounting in harsh environments. An inverter is a logic gate that outputs the logical complement of its input. The SN54LS05 specifically features open-collector outputs, meaning the output transistor's collector is left unconnected internally, requiring an external pull-up resistor to define the high-level output voltage. This allows the device to interface with different voltage domains and to implement wired-OR logic by connecting multiple outputs together. Open-collector outputs also enable driving loads such as relays, LEDs, and lamps directly, with appropriate current limiting. Key features include six independent inverters, a wide operating temperature range of -55°C to 125°C, and compatibility with TTL logic levels. The open-collector outputs can sink up to 8 mA, and the device supports a supply voltage range of 4.5 V to 5.5 V. The military-grade qualification ensures reliability in defense and aerospace applications. Technically, the SN54LS05 uses bipolar junction transistor (BJT) technology, providing fast switching speeds and robust output drive. The open-collector design allows for level shifting and bus communication, making it versatile for various logic interfacing tasks. The device is available in a 14-pin CDIP package, which offers excellent thermal and mechanical stability. Typical applications include military electronics, industrial control systems, and any design requiring high-voltage or high-current logic interfacing. The SN54LS05 is often used to drive relays, lamps, and other loads, as well as to implement wired-OR logic in bus systems. When designing with this device, ensure that pull-up resistors are properly sized to limit output current and to achieve the desired switching speed. The open-collector outputs require external pull-ups to VCC or another voltage rail, and the resistor value should be chosen based on the load capacitance and required rise time.

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SN65173D - Quad Differential Line Receiver | Texas Instruments
SN65173D

SN65173D - Quad Differential Line Receiver | Texas Instruments

Texas Instruments SN65173D is a monolithic quadruple differential line receiver with 3-state outputs, packaged in a 16-pin small-outline integrated-circuit package. It accepts four differential signal pairs and supports balanced digital-data transmission interfaces covered by TI A/EIA-422-B, TIA/EIA-423-B, TIA/EIA-485-A, and related ITU recommendations. The receiver's -40°C to +85°C temperature range suits industrial equipment, instrumentation, industrial automation, and communications systems. The SN65173D is the taped-and-reel ordering option identified for the D package in the SN55173, SN65173, and SN75173 device family. A differential line receiver is an interface IC that compares two complementary signal lines and converts their voltage difference into a logic-level output. In the broader semiconductor hierarchy, the SN65173D belongs to the receiver category, then to line-driver and transceiver interface ICs, and ultimately to interface semiconductors. Differential signaling rejects common-mode noise, reduces sensitivity to ground offsets, and supports reliable data transfer over cables or backplanes. A quadruple receiver consolidates four channels into one package, reducing board area when several links share a communications subsystem. The principal feature of the SN65173D is its four-channel differential input arrangement with 3-state outputs. The 3-state output capability permits the receiver outputs to be placed into a high-impedance state when the shared bus is disabled, allowing multiple devices to share a data path under suitable bus-management conditions. Its monolithic construction provides four receivers on one die, while the compact 16-pin package supports conventional surface-mount assembly. The manufacturer identifies the D package as available in taped-and-reel form. The SN65173 family is designed for balanced multipoint data transmission where common-mode rejection is important. Its applications include industrial control networks, data-processing equipment, test systems, and interfaces using differential signaling. Compatibility with the listed EIA/TIA and ITU recommendations provides an established framework for signal voltage, loading, and bus behavior. Exact input thresholds, common-mode range, propagation delay, output timing, enable logic, and supply-current limits should be confirmed in the manufacturer datasheet before final circuit sign-off. Typical uses include industrial serial links, data-acquisition equipment, instrumentation interfaces, and embedded control systems. In a multi-drop bus, the receiver can monitor a differential pair at a remote device while retaining a tri-state output for controlled bus participation. Designers should confirm that all attached transmitters, receivers, terminations, and grounding arrangements satisfy the applicable standard, particularly on long cables or electrically noisy factory environments. A principal design consideration is the distinction between receiver enable and bus-driver enable. The SN65173D is a receiver only, so it requires a separate line driver when the design must transmit on the same physical bus. Its differential inputs and single-ended logic outputs also require an intentional grounding and signal-integrity strategy. Use the datasheet pin-description and typical-application diagrams when assigning traces and logic functions, and check timing margins across the complete transmitter-to-receiver path. This page consolidates the verified package, temperature, receiver-function, family-option, and application information into a design-oriented reference. It also identifies the closest package-compatible alternatives, highlights the distinction between receiver-only and transceiver solutions, and provides comparison and implementation guidance that helps engineers select the correct device before PCB layout.

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SN65C1168PW - Dual RS-422/RS-485 Driver/Receiver | Texas Instruments
SN65C1168PW

SN65C1168PW - Dual RS-422/RS-485 Driver/Receiver | Texas Instruments

The Texas Instruments SN65C1168PW is a dual differential driver and receiver pair designed for balanced transmission lines, packaged in a 16-pin TSSOP (PW) and compliant with TIA/EIA-422-B and ITU-T V.11. It integrates two drivers and two receivers operating from a single 5 V supply, with each driver featuring its own active-high enable input for independent direction control in half- or full-duplex RS-422/RS-485 links. A line transceiver is an interface IC that converts digital logic-level signals (typically CMOS/TTL) into the balanced differential voltages required by RS-422 and RS-485 physical layers. RS-422 (TIA/EIA-422-B) supports multi-point (one driver, up to 10 receivers) signaling with a signaling rate up to 10 Mbps and ±7 V common-mode range on the bus; RS-485 (TIA/EIA-485-A) extends this to true multi-drop (32 drivers/receivers on a bus) with similar rate and noise immunity. The SN65C1168 belongs to the broader hierarchy of UART-to-bus transceivers within the wired-interface family, and it is commonly specified for industrial-control, instrumentation, and point-of-sale backplanes where robust differential signaling is required. Key features of the SN65C1168PW include a 5 V single-supply operation, ±25 V bus-pin ESD protection (HBM), 3-state driver outputs, and individual active-high driver enables that allow external tie-off for direction control. The driver delivers differential output voltage meeting RS-422 levels (≥2 V across a 50 ohm load) and supports a signaling rate of up to 10 Mbps, which is sufficient for many Profibus, DMX512, and high-speed industrial-fieldbus links. The receiver presents a 12 kohm typical input impedance and includes a typical 200 mV hysteresis (per datasheet typical characteristics) to reject bus noise in long-cable runs. The architecture pairs a TTL/CMOS-compatible driver input stage with a differential line driver and an RS-422 differential receiver with internal fail-safe biasing, enabling the IC to detect idle bus states without external pull-up/down resistors. The 16-pin TSSOP (PW) package offers a compact 5 mm × 4.4 mm footprint suitable for high-density backplane layouts, and the pinout follows industry-standard dual-driver/receiver conventions so it can often replace the SN75C1168PW (commercial-temperature equivalent), the SN65C1167PW (combined-driver shared-enable variant), or pin-compatible parts from other vendors. Typical applications for the SN65C1168PW include RS-422 point-to-point links in industrial PLC backplanes, multi-drop RS-485 sensor networks, DMX512 stage-lighting links, and any 5 V system that needs one differential driver and one differential receiver per channel with independent high-speed direction control. When designing with this part, the designer should add a 100 nF decoupling capacitor as close as possible to the VCC pin and ensure the bus is terminated at the cable ends with a 120 ohm differential resistor matched to the cable characteristic impedance (typically 120 ohm for RS-485 twisted pair) to suppress reflections. The driver outputs slew at a rate controlled by internal design; for EMI-sensitive designs, consider the slower-slew SN65HVD series for 250 kbps links or the SN65HVD75 for 2 Mbps links with similar pin counts. This page consolidates official TI datasheet information with cross-reference drop-in alternatives, application guidance, and design considerations distilled from typical industrial-bus design practice—information not found on the manufacturer datasheet alone.

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SN65DP159RGZT - 6-Gbps HDMI 2.0 Retimer | Texas Instruments
SN65DP159RGZT

SN65DP159RGZT - 6-Gbps HDMI 2.0 Retimer | Texas Instruments

The Texas Instruments SN65DP159RGZT is a 6-Gbps AC-coupled TMDS-to-HDMI level-shifter retimer IC in a 48-pin VQFN (RGZ 7x7 mm) package. It bridges DisplayPort dual-mode (DP++ 1.1) outputs to HDMI 2.0b sinks at data rates up to 6 Gbps per lane, with operating temperature rated from -40C to +85C. The retimer restores signal integrity across lossy cables and bandwidth-limited PCB traces. What is an HDMI retimer? An HDMI retimer (also called a signal conditioner or redriver-with-clock) is a mixed-signal interface IC that receives a degraded TMDS (Transition-Minimized Differential Signaling) stream, recovers its embedded clock, applies equalization and de-emphasis, and re-transmits a clean TMDS signal. Retimers sit in the signal chain hierarchy between TMDS redrivers (which only compensate channel loss) and full HDMI2.1 protocol converters (FRL). Compared with simple redrivers, retimers reduce both ISI jitter and random jitter, enabling HDMI 2.0b 4K60 8-bit signaling over longer cable runs. Key features include adaptive and fixed receiver equalization for ISI compensation, output swing/pre-emphasis/transition-density drive control, integrated I2C control with pass-through EDID/HDCP/HPD logic, and DisplayPort dual-mode 1.1 cable adapter support. The retimer operates from a single 3.3V supply and exposes configurable registers via I2C for sink-side tuning of the recovered link. Architecturally, the SNx5DP159 combines a CTLE (continuous-time linear equalizer) input stage, a CDR (clock-and-data recovery) PLL, and a TMDS driver with programmable pre-emphasis. The 48-pin RGZ package exposes all four TMDS lanes, the auxiliary/HEAC+/DDC pair, and full I2C-side configuration I/O. A smaller 40-pin RSB (WQFN) package version is also offered for space-constrained dongles. Typical applications include HDMI 2.0b dongles and adapters, set-top boxes, notebook and docking stations, 4K TVs and projectors, gaming consoles, and DP++ to HDMI adapters. The chip is also used in HDMI splitter/selector boards that need to clean up jittery inputs from long upstream cables. When designing with this device, place AC-coupling capacitors close to the TMDS input pins as required by HDMI, provide a clean 3.3V rail, and route the I2C lines with pull-ups. The HPD, DDC, and CEC paths must be level-shifted correctly when bridging between 3.3V and 5V HDMI logic. This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes for the SN65DP159RGZT HDMI retimer that are not consolidated on any single manufacturer or distributor page.

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SN65DSI83ZXHR - 4 Gbps MIPI DSI to LVDS Bridge | TI
SN65DSI83ZXHR

SN65DSI83ZXHR - 4 Gbps MIPI DSI to LVDS Bridge | TI

The Texas Instruments SN65DSI83ZXHR is a single-channel MIPI DSI-to-single-link LVDS bridge integrated circuit with a 1 Gbps-per-lane receiver, four data lanes, maximum input bandwidth of 4 Gbps, and a 64-pin NFBGA package measuring 5 x 5 mm. It converts supported MIPI DSI RGB666 and RGB888 packets into FlatLink-compatible LVDS video data while providing low-swing outputs and MIPI ultra-low-power-state support. A display interface bridge belongs to the interface-IC hierarchy and translates physical-layer signaling between a host and a display. In this case, the SN65DSI83 accepts MIPI D-PHY data, formats supported RGB packets, and serializes video onto a single-link LVDS output. This bridge function is useful when a processor or application processor uses DSI internally but the target panel uses FlatLink-compatible LVDS. Verified device features include one DSI channel, four lanes per channel, 1 Gbps operation per lane, and 4 Gbps maximum aggregate input bandwidth. The bridge supports 18 bpp RGB666 and 24 bpp RGB888 packets. Its low-swing LVDS outputs are intended to reduce signal amplitude and electromagnetic-interference concerns, while ULPS support helps the DSI receiver enter the MIPI-defined low-power state. The SN65DSI83ZXHR is identified as a specialized notebook computer interface IC and uses TI's 64-ball nFBGA package designation. The verified distributor listing describes the package as 64-NFBGA, 5 x 5 mm. This dense surface-mount package requires careful PCB escape routing, clean supply distribution, and package-specific land-pattern compliance rather than generic BGA layout assumptions. Typical uses include notebook and embedded display systems, portable computing panels, small-form-factor instruments, and other products that pair a DSI-capable host processor with a FlatLink LVDS panel. Host compatibility remains application-specific because panel timing, resolution, lane configuration, initialization sequence, and connector implementation must all be checked. The most important design step is to follow the manufacturer datasheet for power sequencing, bypass capacitors, D-PHY routing, LVDS output topology, package-ball assignments, and PCB constraints. Do not infer the complete 64-ball pinout from the distributor package name alone; verify each signal and exposed function against the official datasheet before layout release. This page consolidates the verified manufacturer and distributor facts, distinguishes a documented footprint-compatible legacy transition from unverified functional substitutes, and adds selection and layout guidance that are not available as a concise comparison on a distributor listing.

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SN65HVD05D - High-Output RS-485 Transceiver | Texas Instruments
SN65HVD05D

SN65HVD05D - High-Output RS-485 Transceiver | Texas Instruments

The Texas Instruments SN65HVD05D is a high-output, half-duplex RS-485/RS-422 transceiver combining a differential line driver, differential line receiver, and 3-state driver output in an 8-pin SOIC package. It operates from a 4.5 V to 5.5 V supply, provides a minimum differential output voltage of 2.5 V into a 54-ohm load, and is designed for balanced industrial data transmission. An RS-485 transceiver is an interface IC that converts logic-level digital signals into balanced differential signals for reliable communication over longer, potentially noisy cable runs. The SN65HVD05 family supports ANSI TIA/EIA-485-A and ISO 8482E-compliant devices. Its differential signaling and common-mode rejection help maintain data integrity in industrial environments, while the integrated receiver returns the bus state to the host logic. The most notable features include high output drive, 3-state operation, a low 1/8-unit-load option supporting as many as 256 nodes, open-circuit, short-circuit, and idle-bus failsafe receiver behavior, and bus-pin ESD protection exceeding 16 kV HBM. The driver also provides controlled output slew rate to limit electromagnetic interference and reduce ringing on properly terminated networks. The SN65HVD05D combines one driver and one receiver, allowing half-duplex communication when the driver and receiver share the same bus pair. Its differential output is stronger than the minimum commonly required for RS-485 networks, making it useful where bus loading, cable loss, or stub length can reduce signal amplitude. The receiver provides a failsafe response when the bus is disconnected, shorted, or idle. Typical applications include industrial process-control networks, factory automation equipment, building-control systems, instrumentation links, motor-control equipment, and other multidrop RS-485 networks. These systems benefit from balanced differential signaling, while system-level grounding, surge protection, and cable termination remain essential for reliable operation in electrically noisy environments. When designing the circuit, use a low-ESR supply capacitor near the device, connect the bus interface to protected circuitry, and verify that transceiver direction control prevents driver contention. The 54-ohm minimum differential output test condition is not a recommendation to terminate the bus at the transmitter; instead, place the standard termination at the appropriate physical ends of the network. This product page combines verified manufacturer and distributor information, a same-family drop-in comparison, application guidance, and design notes that help engineers evaluate the SN65HVD05D beyond the basic distributor parameter table.

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SN65HVD05P - High-Output RS-485 Transceiver | Texas Instruments
SN65HVD05P

SN65HVD05P - High-Output RS-485 Transceiver | Texas Instruments

Texas Instruments SN65HVD05P is a high-output RS-485 transceiver combining a 3-state differential line driver and differential line receiver, operating from a 4.5 V to 5.5 V supply in an 8-pin PDIP (P) package. It supports the 1/8th unit-load option, allowing up to 256 nodes on a bus, while providing bus-pin ESD protection exceeding 16 kV HBM. An RS-485 transceiver is an interface IC that converts logic-level signals into balanced differential signals for reliable communication over multipoint wired networks. It belongs to the interface transceiver hierarchy: RS-485 transceiver, differential line transceiver, communication interface IC, and semiconductor. The differential signal and selectable driver enable help the SN65HVD05P interoperate with ANSI TIA/EIA-485-A and ISO 8482E compliant devices. Key features include a high-output driver, 3-state driver operation, differential receiver, and driver output slew-rate control. The 1/8th unit-load option supports as many as 256 nodes, making the device useful for larger industrial networks. Bus-pin ESD protection exceeding 16 kV HBM improves robustness in electrically noisy installations, while open-circuit, short-circuit, and idle-bus failsafe-receiver options help define the receiver state when the bus is undriven or impaired. The device integrates a differential transmitter and receiver in one package, reducing board area compared with separate driver and receiver ICs. Its 4.5 V to 5.5 V operating supply supports conventional 5 V equipment. Because the P package has through-hole leads, it is also appropriate for prototypes, legacy industrial controllers, long-lived equipment, and designs where through-hole assembly or hand rework is preferred over a fine-pitch surface-mount footprint. Typical uses include industrial factory automation, building automation, security systems, instrumentation, and industrial data links. The transceiver can connect a controller to a balanced two-wire bus while providing a differential receiver to the logic side. When the bus is not actively driven, the enabled receiver can provide a defined failsafe output depending on the selected device option. Designers should verify termination, biasing, cable length, node count, and common-mode limits against the manufacturer datasheet before deployment. A 120-ohm termination at each physical end, correct fail-safe bias, controlled grounding, and placement of protection devices near the connector help prevent signal-integrity and ESD-related failures. The SN65HVD05P is not a power device, so an SOA chart is not applicable. This product page combines verified manufacturer and distributor information with application guidance, parameter comparison, drop-in family alternatives, and practical interface-design notes to support faster component evaluation and board-level decision making.

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SN65HVD06D - High-Output RS-485 Transceiver, 8-SOIC | Texas Instruments (Tape & Reel)
SN65HVD06D

SN65HVD06D - High-Output RS-485 Transceiver, 8-SOIC | Texas Instruments (Tape & Reel)

The Texas Instruments SN65HVD06D is a 3.3V/5V RS-485 half-duplex transceiver in an 8-pin SOIC (D) package, combining a 3-state differential line driver and differential line receiver on a single die. Designed for balanced data transmission, it interoperates with ANSI TIA/EIA-485-A and ISO 8482E compliant devices, and supports data rates up to 10 Mbps in the HVD06 variant. The driver delivers a high differential output voltage greater than the minimum required by these standards, improving noise margin over long cable runs and in harsh industrial environments. An RS-485 transceiver is a bus-interface IC that converts a single-ended TTL/CMOS logic signal into a differential voltage on a twisted-pair cable (typically designated A and B) and, in the opposite direction, converts a received differential signal back into single-ended logic. The differential signaling rejects common-mode noise and allows multi-drop networks of up to 32 (or more with unit-load variants) nodes across cable lengths up to 1200 m. RS-485 transceivers sit at the physical layer of industrial fieldbuses such as Modbus RTU, PROFIBUS, and DMX512, where robust noise immunity is essential. Key features include a minimum 2.5 V differential output voltage into a 54 ohm load (exceeding the 1.5 V TIA/EIA-485-A minimum), 16 kV HBM ESD protection on bus pins, open-circuit, short-circuit, and idle-bus failsafe design, and 1/8th unit-load option that supports up to 256 nodes on the bus. Driver output slew-rate control limits EMI, and the wide 4.5 V to 5.5 V supply range suits both 5 V industrial logic and 3.3 V systems when paired with a charge pump or level shifter. Internally the device uses a differential line driver with controlled slew rate, a window-comparator receiver with input hysteresis, and integrated failsafe biasing that forces a deterministic high output when the bus is idle, shorted, or open. The half-duplex configuration shares one differential pair between transmit and receive, controlled by a single DE/RE logic pin pair, reducing pin count versus full-duplex parts. Typical applications include factory automation networks, motor drive control links, building automation (BACnet, Modbus), solar inverter monitoring, and any industrial point-to-point or multi-drop RS-485 link where high output drive and rugged ESD performance are valued. When designing with this part, always include a 100 ohm termination resistor at each end of the bus and consider fail-safe biasing resistors if the cable can be left floating during commissioning. The high output drive increases quiescent current slightly compared to standard RS-485 parts, so factor thermal dissipation into densely populated multi-channel designs. This document synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet.

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SN65HVD06DR - High-Output RS-485 Transceiver, 8-SOIC | Texas Instruments
SN65HVD06DR

SN65HVD06DR - High-Output RS-485 Transceiver, 8-SOIC | Texas Instruments

The Texas Instruments SN65HVD06DR is a 3.3V/5V RS-485 half-duplex transceiver in an 8-pin SOIC (D) package, combining a 3-state differential line driver and differential line receiver on a single die. Designed for balanced data transmission, it interoperates with ANSI TIA/EIA-485-A and ISO 8482E compliant devices, and supports data rates up to 10 Mbps in the HVD06 variant. The driver delivers a high differential output voltage greater than the minimum required by these standards, improving noise margin over long cable runs and in harsh industrial environments. An RS-485 transceiver is a bus-interface IC that converts a single-ended TTL/CMOS logic signal into a differential voltage on a twisted-pair cable (typically designated A and B) and, in the opposite direction, converts a received differential signal back into single-ended logic. The differential signaling rejects common-mode noise and allows multi-drop networks of up to 32 (or more with unit-load variants) nodes across cable lengths up to 1200 m. RS-485 transceivers sit at the physical layer of industrial fieldbuses such as Modbus RTU, PROFIBUS, and DMX512, where robust noise immunity is essential. Key features include a minimum 2.5 V differential output voltage into a 54 ohm load (exceeding the 1.5 V TIA/EIA-485-A minimum), 16 kV HBM ESD protection on bus pins, open-circuit, short-circuit, and idle-bus failsafe design, and 1/8th unit-load option that supports up to 256 nodes on the bus. Driver output slew-rate control limits EMI, and the wide 4.5 V to 5.5 V supply range suits both 5 V industrial logic and 3.3 V systems when paired with a charge pump or level shifter. Internally the device uses a differential line driver with controlled slew rate, a window-comparator receiver with input hysteresis, and integrated failsafe biasing that forces a deterministic high output when the bus is idle, shorted, or open. The half-duplex configuration shares one differential pair between transmit and receive, controlled by a single DE/RE logic pin pair, reducing pin count versus full-duplex parts. Typical applications include factory automation networks, motor drive control links, building automation (BACnet, Modbus), solar inverter monitoring, and any industrial point-to-point or multi-drop RS-485 link where high output drive and rugged ESD performance are valued. When designing with this part, always include a 100 ohm termination resistor at each end of the bus and consider fail-safe biasing resistors if the cable can be left floating during commissioning. The high output drive increases quiescent current slightly compared to standard RS-485 parts, so factor thermal dissipation into densely populated multi-channel designs. This document synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet.

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SN65HVD06P - 10 Mbps High-Output RS-485 | Texas Instruments
SN65HVD06P

SN65HVD06P - 10 Mbps High-Output RS-485 | Texas Instruments

The Texas Instruments SN65HVD06P is a single-channel RS-485/RS-422 interface transceiver providing a differential line driver and differential receiver, a maximum data rate of 10 Mbps, and support for as many as 256 nodes in an 8-pin PDIP package. Its high-output design is intended for balanced data transmission over industrial and commercial RS-485 networks. An RS-485 transceiver is an interface IC that converts logic-level signals into differential bus voltages and reconstructs logic signals from differential bus inputs. It belongs to the interface IC hierarchy and is used where noise immunity, common-mode tolerance, and multi-node bus coordination matter. The SN65HVD06 family interoperates with devices compliant with ANSI TIA/EIA-485-A and ISO 8482E, while the driver produces differential voltage beyond the minimum required by those standards. Key features include a 10 Mbps maximum data rate, a 1/8-unit-load receiver option supporting up to 256 nodes, controlled driver output slew rate, and bus-pin ESD protection exceeding 16 kV HBM. The high-output architecture provides stronger drive capability than standard RS-485 transceivers, making the device useful when longer cables, heavier bus loading, or additional bus margin must be accommodated. The transceiver combines a three-state differential line driver and a differential line receiver. The three-state output allows multiple drivers to share a bus when only one is active at a time, while the receiver supports failsafe operation during open-circuit, short-circuit, and idle-bus conditions. The 1/8-unit-load option lowers the receiver input loading, permitting more nodes than a full-unit-load receiver while preserving balanced signaling. Typical applications include industrial automation, factory equipment, building controls, networked sensors, data acquisition systems, and other balanced multidrop buses. In a multidrop installation, the transceiver can be enabled selectively so that only one driver drives the cable at a time, reducing contention and allowing nodes to be added more densely than on a one-unit-load bus. Designers should provide proper bus termination, maintain common-mode operating limits, and route the differential pair as a controlled impedance network. The 8-pin PDIP package also requires attention to thermal performance and clean supply bypassing. Verify the complete electrical limits, enable logic, and application circuit against the manufacturer datasheet before releasing a production design. This page combines verified distributor pricing, package and interface details, functional alternatives, comparison data, and practical RS-485 design guidance. It also distinguishes documented features from parameters that require confirmation, helping engineers evaluate the SN65HVD06P without treating unverified electrical values as production specifications.

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SN65HVD07D - 1 Mbps RS-485 Transceiver | Texas Instruments
SN65HVD07D

SN65HVD07D - 1 Mbps RS-485 Transceiver | Texas Instruments

The Texas Instruments SN65HVD07D is a 1 Mbps high-output RS-485 half-duplex transceiver with one differential line driver and one differential receiver, packaged in an 8-pin SOIC. It operates from a 4.5 V to 5.5 V supply and combines a three-state differential output stage with a differential input stage. The device is intended for balanced data transmission over multipoint buses and interoperates with ANSI TIA/EIA-485-A and ISO 8482E compliant devices. Its high-output architecture provides a differential output voltage greater than that required by these standards. An RS-485 transceiver is an interface IC that bridges a logic-level controller and a balanced, differential physical bus. The driver converts a single-ended digital signal into differential A and Y outputs, while the receiver converts differential bus voltage into a single-ended logic signal. As a half-duplex transceiver, it supports one physical communication path that can transmit or receive, but not both simultaneously. The SN65HVD07D belongs to the broader transceiver and interface-IC hierarchy used for industrial automation, building controls, instrumentation, and other robust wired-data systems. Key features include a 1 Mbps data rate, a fourth-eighth unit-load option, and support for as many as 256 nodes on the bus. Bus-pin electrostatic-discharge protection exceeds 16 kV using the human-body model. The driver includes controlled output slew rate, which limits the rate of differential voltage change and helps reduce unwanted bus transients. The three-state driver output can be disabled when the bus is not being driven, allowing multiple transmitters to share the same differential pair. The high-output driver is the principal technical distinction within the SN65HVD family. Its differential output is designed to exceed the minimum output voltage required by ANSI TIA/EIA-485-A and ISO 8482E devices. This supports reliable communication when the bus presents a substantial load or when cable and termination arrangements reduce signal amplitude. The receiver operates from the same differential pair and includes receiver-side fail-safe behavior for open-circuit, short-circuit, and idle-bus conditions as described for the device family. Typical applications include industrial RS-485 links, programmable-logic-controller equipment, building-automation controllers, factory-floor sensors, data-acquisition systems, and remote monitoring devices. The device can also be used in half-duplex multidrop networks where each node must disconnect its driver while the bus is idle. Designers should maintain compatible logic levels, provide correct bus termination, and verify the selected transceiver against the cable length, data rate, node count, and grounding arrangement. A key design consideration is the shared A and Y bus conductors in half-duplex operation. The enable and receive-enable controls must be managed so that the local driver is enabled only while transmitting. Place the transceiver close to the bus connector and route the balanced pair as a differential pair to minimize common-mode noise and impedance discontinuities. The device supports operation from 4.5 V to 5.5 V, so system-level supply tolerance and transient requirements must be checked separately. This page combines the manufacturer interface description with same-footprint family comparisons, application-specific design guidance, and a parameter-by-parameter evaluation of candidate transceivers. The comparisons are intended to accelerate initial device selection while making the remaining electrical and mechanical checks explicit for engineering review.

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SN65HVD08D - 3.3/5V 10Mbps RS-485 Transceiver | Texas Instruments
SN65HVD08D

SN65HVD08D - 3.3/5V 10Mbps RS-485 Transceiver | Texas Instruments

Texas Instruments SN65HVD08D is a 3.3/5-V RS-485 transceiver with a 10 Mbps data rate, 8-pin SOIC package, and 1/8-unit-load receiver supporting up to 256 nodes on a bus. According to the Texas Instruments SN65HVD08 datasheet, the device combines a three-state differential line driver with a differential receiver for balanced data transmission and interoperability with ANSI TIA/EIA-485-A and ISO-8482E devices. An RS-485 transceiver is an interface IC that converts logic-level signals into balanced differential signals for communication over a multipoint bus. The differential architecture is part of the broader interface IC hierarchy and is commonly used where noise immunity, wiring distance, and multiple-node connectivity are important. The SN65HVD08 family supports both RS-485 and RS-422-oriented balanced communication while operating from a supply compatible with 3.3-V and 5-V systems. The SN65HVD08D combines a wide supply range extending to 5.5 V with low quiescent power consumption below 90 mW. Its one-eighth-unit-load receiver allows as many as 256 nodes on one bus, reducing the loading imposed by connected devices. The 10 Mbps signaling rate supports high-speed data paths, while open-circuit, short-circuit, and idle-bus failsafe receiver behavior helps establish a defined state when the bus is not being actively driven. The bus pins include integrated electrostatic-discharge protection rated at more than 16 kV using the human-body model. The wide operating supply allows operation from a 5-V cable power bus even when the line experiences approximately 2 V of voltage drop, potentially reducing the need for isolated power at every ground-isolated connection. These features make the transceiver suitable for industrial data links, building controls, and distributed instrumentation. Typical applications include factory-floor fieldbus gateways, industrial PLC serial links, building-automation controllers, remote sensor nodes, and industrial Ethernet interface equipment. Its half-duplex transceiver arrangement requires the controller to manage driver enable and receiver enable functions when the bus direction changes. Designers should also account for termination, fail-safe biasing, grounding, and protection requirements imposed by the installed cable. A critical design practice is to place the transceiver close to the connector and provide a low-impedance return path to the PCB ground plane. Bus traces should be routed as a balanced pair, with connector surge protection considered for installations exposed to industrial transients. The 8-pin SOIC package supports conventional surface-mount assembly, but exposed bus pins still require careful mechanical and electrical protection. This page combines manufacturer specifications, distributor availability references, verified drop-in candidates, comparison data, and practical RS-485 design guidance. It also distinguishes confirmed substitutions from candidates that still require engineering review before use in an existing PCB design.

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SN65HVD10D - 3.3V RS-485 Transceiver 32Mbps | Texas Instruments
SN65HVD10D

SN65HVD10D - 3.3V RS-485 Transceiver 32Mbps | Texas Instruments

The Texas Instruments SN65HVD10D is a 3.3 V half-duplex RS-485 differential transceiver capable of 32 Mbps data rates, packaged in an 8-pin SOIC (D) package. The device combines a 3-state differential line driver with a differential input line receiver in a single monolithic IC, so a single pair of bus wires can carry data in both directions with one package footprint. An RS-485 transceiver is the physical-layer building block of balanced industrial communication. A differential bus rejects common-mode noise, supports long cable runs, and allows multiple nodes to share the same pair of wires in a multi-drop arrangement. The SN65HVD10 family operates from a single 3.3 V supply, which makes it a natural fit for 3.3 V microcontrollers, FPGAs, and industrial controllers that no longer include 5 V rails on the board. Key features include bus-pin ESD protection exceeding 16 kV HBM, compliance with the ANSI TIA/EIA-485-A and ISO 8482:1993 standards for balanced digital multipoint systems, and a 3-state driver output for bus segmentation. The half-duplex architecture uses separate driver-enable and receiver-enable inputs so transmit and receive direction can be controlled by a single GPIO direction pin. Device variants in the same family cover 1/2 and 1/8 unit-load options for denser multi-drop networks. Internally, the driver is a differential output stage with complementary A and B outputs, while the receiver is a differential comparator that produces a single-ended logic output. Because both halves share one 3.3 V rail and one ground, the ground reference between the transceiver and the cable shield must be handled carefully; a bus reference design typically adds fail-safe biasing resistors and a 120 ohm termination resistor at each physical end of the bus. Typical applications include industrial sensor and transducer buses, HVAC and building automation controllers, industrial gateways, remote I/O modules, and data-acquisition instrumentation running on 3.3 V logic. The 32 Mbps rating supports both legacy 115.2 kbps RS-485 networks and faster proprietary or Modbus RTU-over-TCP gateway links. When laying out the board, place the 0.1 uF and 1 uF decoupling capacitors directly across VCC and GND pins, keep the bus traces short and matched, and provide a chassis or surge reference path for the ESD structures on the bus pins. Avoid placing the transceiver in series with the signal path, and do not forget termination and fail-safe biasing on long or noisy segments. This page combines verified distributor pricing, package-accurate pinout data, drop-in alternatives drawn from the same TI bus-transceiver family, and practical layout notes that go beyond the manufacturer datasheet.

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SN65HVD1176 - 40Mbps PROFIBUS RS-485 Transceiver | Texas Instruments
SN65HVD1176

SN65HVD1176 - 40Mbps PROFIBUS RS-485 Transceiver | Texas Instruments

The Texas Instruments SN65HVD1176 is a half-duplex PROFIBUS RS-485 transceiver supporting signaling rates up to 40 Mbps in an 8-pin SOIC (D) package. The device meets or exceeds the requirements of ANSI TIA/EIA-485-A and is engineered for high-speed differential data transmission across twisted-pair networks. A PROFIBUS-compliant RS-485 transceiver is an interface IC that converts a single-ended TTL/CMOS logic signal from a UART, MCU, or ASIC into a balanced differential signal on a bus, and vice versa. RS-485 transceivers sit in the OSI physical layer between a microcontroller and the physical twisted-pair medium; PROFIBUS DP is a higher-level fieldbus protocol that uses the RS-485 physical layer at 12 Mbps. The SN65HVD1176 belongs to the hierarchy: RS-485 transceiver -> interface IC -> signal conditioning -> semiconductor. Compliance with EN 50170 (PROFIBUS) is a key differentiator from generic RS-485 parts. Key features include signaling rates up to 40 Mbps (well above the 12 Mbps PROFIBUS DP requirement), 1/5 unit load allowing up to 160 nodes on a single bus, low bus capacitance of 10 pF maximum for clean edges at high data rates, and a differential output voltage that exceeds 2.1 V across a 54 ohm load for robust noise margin. Driver and receiver enable pins support half-duplex operation and configurable bus states (active, driver-disabled, receiver-disabled, shutdown). The SN65HVD1176 uses a differential line driver with slew-rate-limited outputs to reduce EMI and reflections on improperly terminated buses. Internal fail-safe biasing on the receiver ensures a defined logic-high output when the bus is idle, open, or shorted - eliminating the need for external bias resistors. Wide operating supply range of 3.0V to 3.6V is compatible with 3.3V logic commonly used in industrial PLCs. Typical applications include PROFIBUS DP nodes, factory automation PLC backplanes, industrial sensor networks, motor drive communication links, and building automation gateways. The wide common-mode range (-7V to +12V) tolerates ground potential differences between nodes in large installations. A key design consideration is bus termination: PROFIBUS segments must be terminated with 220 ohm resistors at both ends (plus fail-safe bias) to suppress reflections at 12 Mbps. The device's low bus capacitance makes it well-suited to long stubs when used with proper termination. This page synthesizes drop-in alternatives, design considerations, and selection guidance not found in the manufacturer datasheet - enabling faster part selection and PCB layout reuse.

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SN65HVD11P - 3.3V 10Mbps RS-485 Transceiver | Texas Instruments
SN65HVD11P

SN65HVD11P - 3.3V 10Mbps RS-485 Transceiver | Texas Instruments

The Texas Instruments SN65HVD11P is a 3.3 V differential RS-485 and RS-422 transceiver rated for signaling rates up to 10 Mbps in an 8-pin PDIP package. It combines a differential line driver, differential receiver, and 3-state driver control in one interface IC for balanced industrial communication buses. The device operates from a single 3.3 V supply and supports the -40°C to +85°C industrial temperature range. An RS-485 transceiver is a physical-layer interface IC that converts logic-level signals into balanced differential bus signals and receives differential signals back into logic levels. Differential signaling belongs to the RS-422 and RS-485 interface family, where complementary signal paths improve noise immunity and allow reliable communication over longer cable runs than single-ended interfaces. The SN65HVD11 family is designed for balanced transmission lines and is identified by Texas Instruments as meeting or exceeding ANSI TIA/EIA-485-A and ISO 8482:1993 requirements. Key features include a 3.3 V supply, operation to 10 Mbps, an eight-pin PDIP package, and bus-pin ESD protection exceeding 16 kV HBM. The 3-state driver output allows the transmitter to be disabled for receiver-only or multidrop bus operation. Differential signaling rejects common-mode noise coupled equally into both bus conductors, while the receiver converts the voltage difference between those conductors into a valid logic output. The SN65HVD11 architecture combines a differential line driver with a differential input receiver on a single 3.3 V power supply. Its receiver and driver functions support point-to-point links as well as shared balanced networks. Because the driver can enter a high-impedance state, multiple nodes can share the bus when only one transmitter is active at a time. The family’s 10 Mbps capability is suitable for factory automation, instrumentation, and other balanced industrial data links operating above the slower rates commonly used by isolated field buses. Typical applications include industrial sensor interfaces, programmable logic controller communication, test and measurement equipment, building-control subsystems, and embedded data acquisition. The device is particularly useful when a compact system needs both transmit and receive functions without adding separate line-driver and line-receiver packages. Its through-hole PDIP package also supports prototype boards and designs where inspection or rework is easier than with a fine-pitch surface-mount package. Designers should place the transceiver close to the bus connector and route the differential pair as a controlled-impedance pair with matched spacing and symmetric termination geometry. Keep the ground reference close to the cable shield, and avoid adding excessive stub length to multidrop branches. Verify the logic thresholds, bus loading, termination strategy, and common-mode range before committing the board layout. This page organizes the SN65HVD11P electrical, package, application, replacement, and sourcing information into an engineering-focused guide. It also highlights the benefits and limits of same-footprint family alternatives so designers can distinguish a physical pin-compatible option from one that satisfies the complete operating profile.

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SN65HVD12P - 3.3V 1Mbps RS-485 Transceiver | Texas Instruments
SN65HVD12P

SN65HVD12P - 3.3V 1Mbps RS-485 Transceiver | Texas Instruments

Texas Instruments SN65HVD12P is a 3.3 V differential bus transceiver with a 1 Mbps data rate, supplied in an 8-pin PDIP package. The device combines a three-state differential line driver and a differential input line receiver in one integrated circuit, making it suitable for balanced RS-422 and RS-485 communication links. It operates from a single 3.3 V supply and is designed for bidirectional half-duplex data transmission. An RS-485 transceiver is an interface IC that converts logic-level signals into balanced differential bus signals and reconstructs received data from those differential signals. Differential signaling belongs to the broader transceiver and interface IC hierarchy, with the SN65HVD12P combining a line driver, line receiver, bus-driver enable control, and protection features in one package. Its balanced architecture is intended for industrial communication systems where noise immunity and signal integrity are important. The principal features include operation from a 3.3 V power supply, a maximum signaling rate of 1 Mbps, and bus-pin electrostatic-discharge protection exceeding 16 kV using the human-body model. The family meets or exceeds ANSI TIA/EIA-485-A and ISO 8482:1993 requirements for balanced transmission lines. A three-state driver output permits multiple devices to share a bus while disabled, allowing the bus to be actively managed by the system controller. The SN65HVD12 family combines a monolithic differential driver and receiver designed specifically for balanced lines. A 1 Mbps rate supports factory automation, industrial control, instrumentation, and building automation traffic while remaining compatible with the lower signaling rates common on legacy RS-485 networks. The integrated bus-pin protection improves robustness against electrostatic discharge encountered during installation, servicing, and normal industrial operation. Typical applications include motor-control equipment, programmable logic controller interfaces, industrial sensors, remote I/O modules, building HVAC controllers, and data-acquisition equipment. Half-duplex operation means the transmitter and receiver share the same bus pair, so firmware and hardware must manage bus direction to prevent multiple nodes from driving the bus simultaneously. PCB layout is a central design consideration for any RS-485 implementation. Place the transceiver close to the bus connector, provide a common signal-ground reference, route the differential pair as a tightly coupled pair, and add appropriate protection components at the connector. The selected communications standard, baud rate, cable length, topology, termination, and transceiver unit load must be evaluated together before deployment. This page combines the device's electrical characteristics, application guidance, package information, and a focused set of same-family drop-in alternatives. It also identifies where receiver-threshold or temperature-range differences require engineering review before a substitution is approved.

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SN65HVD20D - 25 Mbps Extended Common-Mode RS-485 | TI
SN65HVD20D

SN65HVD20D - 25 Mbps Extended Common-Mode RS-485 | TI

Texas Instruments SN65HVD20D is an extended common-mode RS-485 transceiver with a 4.5 V to 5.5 V supply, one transmitter, one receiver, and a maximum signaling rate of 25 Mbps in an 8-pin SOIC package. It combines half-duplex operation with a specified fault-protection range of -27 V to +27 V. According to the Texas Instruments SN65HVD2x family datasheet, the device exceeds typical RS-485 performance while meeting the requirements of the TIA/EIA-485-A standard. An RS-485 transceiver is a physical-layer interface IC that converts logic-level signals into a differential bus and receives differential bus signals back into CMOS-compatible data. Its hierarchy is transceiver → serial interface IC → differential line driver/receiver → communications interface. The SN65HVD20D is designed for industrial data links where long cables, grounded or unearthed systems, and differing ground potentials can place unusually large common-mode voltages on the bus. Three headline capabilities distinguish this device: its extended common-mode range, 25 Mbit/s maximum data rate, and -27 V to +27 V fault-protection window. The SN65HVD2x family also provides high ESD protection, wide receiver hysteresis, and failsafe operation. These features support reliable detection of small differential signals and recovery from excessive bus voltage, although the exact ESD rating, hysteresis voltage, and operating-temperature limits require confirmation in the manufacturer datasheet. The SN65HVD20D uses one differential driver and one differential receiver for half-duplex RS-485 communication. In a half-duplex network, transmit and receive functions share the same bus conductors, so system logic must control bus direction and avoid receiver contention. The supplied verification identifies a 5 V nominal operating range, 8-SOIC construction, one transmitter, one receiver, and a 25 Mbit/s maximum signaling rate; additional timing, supply-current, and propagation-delay values were not included in the source extract. Typical uses include factory automation, industrial instrumentation, building controls, process monitoring, and embedded serial networks. It is particularly relevant where a bus may be exposed to large common-mode offsets, electrostatic discharge events, or accidental fault voltage. The extended fault-protection feature helps the interface survive such transients, but external protection, termination, isolation, and grounding remain system-level design decisions. For a new PCB, place the transceiver near the bus connector, provide a continuous ground reference, route the differential pair as a tightly coupled pair, and use the bus protection specified by the application. Do not assume the -27 V to +27 V fault range eliminates the need for surge protection in an industrial installation, and verify decoupling requirements directly against the manufacturer datasheet. This page consolidates verified manufacturer and distributor information, a package-level replacement assessment, an eight-parameter comparison, and practical design notes. It distinguishes documented capabilities from missing electrical details so engineers can make a defensible RS-485 design decision without relying on unverified substitution assumptions.

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SN65HVD21D - Extended Common-Mode RS-485 | Texas Instruments
SN65HVD21D

SN65HVD21D - Extended Common-Mode RS-485 | Texas Instruments

Texas Instruments SN65HVD21D is a single-channel RS-422/RS-485 transceiver in an 8-pin SOIC package. The device combines one transmitter and one receiver in a half-duplex bus-line interface and provides extended common-mode operation for industrial, automation, instrumentation, and communications equipment. The SN65HVD21 family is designed to meet TIA/EIA-485-A requirements while adding high ESD protection, wide receiver hysteresis, and failsafe operation. Exact voltage, current, data-rate, temperature, and protection ratings are not included in the supplied verification data and therefore must be confirmed in the manufacturer datasheet before design release. An RS-485 transceiver is an interface IC that converts logic-level signals into a balanced differential bus and receives differential bus signals back into logic-level outputs. This class of device belongs to the interface IC hierarchy and ultimately supports the broader semiconductor and industrial communication ecosystem. Balanced signaling improves noise immunity by referencing the signal to differential line pairs rather than a single conductor, while extended common-mode capability helps a node remain functional when bus voltages exceed the common-mode range of a conventional transceiver. The SN65HVD21 family's verified features include high ESD protection, wide receiver hysteresis, and failsafe operation. High ESD protection is valuable in industrial environments where cables may be connected or disconnected during installation. Wide receiver hysteresis improves decision margin between logic states when a valid differential signal is present. Failsafe operation provides a defined receiver behavior for an inactive or undriven bus, helping system designers avoid ambiguous states in multi-node networks. The D-package suffix identifies an 8-pin SOIC implementation, while the P option is offered as a plastic through-hole package in the same family. This distinction matters to PCB designers: the SN65HVD21D uses a surface-mount footprint and cannot replace a through-hole SN65HVD21P without board changes. Although the SN65HVD21D and SN65HVD21DR may share the same electrical device and SOIC footprint, the latter is a packaging or orderable variant rather than a distinct engineering alternative. Typical uses include industrial RS-485 control links, factory automation equipment, remote sensor interfaces, building controls, and instrumentation networks. In a half-duplex arrangement, the transceiver's driver and receiver share the same differential pair, so system firmware and bus hardware must manage transmit and receive intervals without allowing multiple drivers to contend. Termination, biasing, grounding, and common-mode limits remain system-level constraints that cannot be selected from the limited values published in the supplied search results. Design with the manufacturer datasheet as the controlling authority for supply voltage, driver output current, receiver thresholds, propagation delay, maximum data rate, operating temperature, ESD ratings, and recommended external components. Keep bus-side traces away from sensitive signals, provide a solid ground reference, and verify that every attached node supports the same logic and baud rate. Confirm the exact pinout and exposed-pad requirements for the selected package rather than relying on generic SOIC drawings. This page consolidates the verified distributor and manufacturer information, distinguishes a true bus-interface alternative from packaging variants, and identifies missing electrical data explicitly. It provides selection and design guidance beyond a distributor listing while preserving the distinction between verified facts and parameters that require datasheet confirmation.

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SN65HVD21P - Extended Common-Mode RS-485 Transceiver | Texas Instruments
SN65HVD21P

SN65HVD21P - Extended Common-Mode RS-485 Transceiver | Texas Instruments

The Texas Instruments SN65HVD21P is an extended common-mode RS-485 and RS-422 transceiver containing one driver and one receiver in a single 8-pin PDIP (P) through-hole package. It is specified as an extended common-mode RS-485 transceiver, which is the key feature that distinguishes it from standard RS-485 parts whose receivers saturate when ground-potential differences between nodes appear on long cables. The SN65HVD21P is used wherever a half-duplex differential bus must tolerate wiring faults, ground offsets and unbalanced cable runs. An RS-485 transceiver is a type of interface IC that bridges a logic-level UART or SPI port and a balanced, differential bus. The differential signalling rejects common-mode noise, so the bus keeps working in electrically noisy environments such as factory floors, HVAC plants, motor drives and utility metering cabinets. The SN65HVD21P belongs to the hierarchy: transceiver -> differential line driver and receiver -> interface IC -> integrated circuit -> semiconductor. Because the driver and receiver share one package, the same device supports half-duplex point-to-point links as well as multidrop configurations where up to multiple unit-load nodes tap onto one pair of wires. The three control pins (driver enable, receiver enable and driver input) let a host microcontroller decide which direction the bus drives, while the receiver output returns logic-level data to the host. The PDIP package keeps the device compatible with through-hole assembly, prototyping boards and legacy industrial control boards. Typical deployments include industrial RS-485 multidrop sensor buses, building and HVAC controller networks, industrial motor drive and encoder feedback links, utility and energy metering terminals, and long-distance instrumentation links to remote transducer heads. Because the transceiver is a half-duplex device, the design must allow the bus to turn around between transmit and receive windows. The main design consideration is termination and biasing. The SN65HVD21P works correctly on an unterminated short cable, but long or high-speed runs need a termination resistor at each far end and a fail-safe bias network so the idle state is defined. Keep the differential pair tightly coupled, route it over a continuous ground plane, and connect the transceiver ground to the board ground with a short, low-inductance path. This page combines the manufacturer part detail, distributor availability, drop-in replacement options in the same 8-pin PDIP footprint, and practical bus-design guidance so engineers can evaluate the SN65HVD21P without hunting across several separate documents.

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SN65HVD22D Extended Common-Mode RS-485 | Texas Instruments
SN65HVD22D

SN65HVD22D Extended Common-Mode RS-485 | Texas Instruments

The Texas Instruments SN65HVD22D is an extended common-mode half-duplex RS-485 transceiver designed for 5 V industrial communication links, with a 500 kbps interface rate and an 8-pin SOIC package. Its key electrical characteristics include a -20 V to 25 V common-mode operating range, substantially extending the tolerance beyond the minimum TIA/EIA-485-A common-mode requirement. The device supports both RS-485 and RS-422 signaling and provides one driver and one receiver in a half-duplex transceiver arrangement. An RS-485 transceiver is an interface IC that converts logic-level signals into differential bus voltages and receives differential bus voltages back into logic-level data. The SN65HVD22D belongs to the transceiver hierarchy that includes RS-422 and RS-485 interface devices, differential line drivers, differential receivers, and communication interface semiconductors. Its extended common-mode capability improves tolerance to ground offsets, induced noise, and wiring differences in long cable networks. The SN65HVD22D provides a 500 kbps reference-design interface rate, a -20 V to 25 V common-mode range, and operation from a single 5 V supply. These characteristics make it suitable for factory automation equipment, industrial controllers, remote sensor nodes, and building automation systems where a conventional RS-485 receiver may become vulnerable to bus transients or uneven grounding. The extended range also supports robust operation in electrically noisy environments when paired with appropriate cables and protection components. Its half-duplex architecture means the driver and receiver share the same differential bus pair. Direction control determines whether the node transmits or receives, while an external bus bias network establishes the logic state of an idle bus. The 8-pin SOIC package supports conventional surface-mount assembly and fits industrial interface boards requiring compact pin compatibility with other single-chip transceivers. Typical applications include 500 kbps RS-485 links between PLCs and remote I/O modules, motor-control diagnostics, industrial sensors, building controls, and instrumentation networks. In these systems, the SN65HVD22D can remain operational when ground-potential differences place bus voltages outside the common-mode range of many standard RS-485 devices, reducing sensitivity to grounding mistakes. The primary design consideration is common-mode margin. Evaluate the maximum voltage between the bus and local ground under every operating and fault condition, then select external protection that keeps transient stresses within the device limits. Keep the transceiver and termination components close to the bus connector, use a controlled ground reference, and follow the manufacturer’s reference design when the interface will be exposed to industrial cable transients. This page combines the exact SN65HVD22D identity, package information, interface capability, application guidance, comparison criteria, and design cautions needed to evaluate the part for an extended-common-mode RS-485 design.

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