SN65HVD78DR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN65HVD78DR is a single-channel RS-485/RS-422 line transceiver IC from Texas Instruments, featuring differential Schmitt trigger inputs, EIA-485 and EIA-422 interface standard support, and 1/8 unit load design for up to 256 nodes per bus. From $0.80 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- SN65HVD78DR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8001(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN65HVD78DR?
- Single-channel full-duplex RS-485/RS-422 line transceiver supporting EIA-485 and EIA-422 standards
- Differential Schmitt trigger input for improved noise immunity in industrial environments
- 1/8 unit load allows up to 256 nodes on a single bus
- Available in compact SO-8 (Small Outline) surface-mount package
- Wide supply voltage range suitable for 3.3V and 5V systems
What is SN65HVD78DR used for?
The SN65HVD78DR is widely used in industrial automation and process control systems where reliable long-distance serial communication is required over RS-485 networks. It is well-suited for building automation, motor drive interfaces, and multi-drop bus architectures connecting PLCs, sensors, and HMI panels. Its robust differential signaling makes it ideal for noise-sensitive environments such as factory floors and smart grid equipment.
What are the specifications of SN65HVD78DR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-422; EIA-485 |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Out Swing-Min | 1.5V |
| Output Characteristics | 3-STATE |
| Output Low Current-Max | 0.008A |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Receive Delay-Max | 35ns |
| Receiver Number of Bits | 1 |
| Supply Current-Max | 0.95mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Supply Voltage1-Max | 3.6V |
| Supply Voltage1-Min | 3V |
| Supply Voltage1-Nom | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transmit Delay-Max | 15ns |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the SN65HVD78DR datasheet?
SN65HVD78DR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN65HVD78DR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What interface standards does the SN65HVD78DR support?
The SN65HVD78DR supports both EIA-485 (RS-485) and EIA-422 (RS-422) interface standards, enabling half-duplex or full-duplex serial communication over twisted-pair cables at data rates up to 10 Mbps.
How many nodes can be connected on a single RS-485 bus using the SN65HVD78DR?
Thanks to its 1/8 unit load design, the SN65HVD78DR allows up to 256 nodes to be connected on a single RS-485 bus, making it ideal for large multi-drop network installations in industrial and building automation applications.
What package type is the SN65HVD78DR available in?
The SN65HVD78DR comes in an SO-8 (8-pin Small Outline) surface-mount package (SOIC-8), which is compact and suitable for space-constrained PCB designs in industrial and commercial equipment.
Can I use the SN65HVD78DR as a direct replacement for other RS-485 transceivers?
The SN65HVD78DR is pin-compatible with many industry-standard single-channel RS-485 transceivers in SO-8 packages, such as the MAX485 and SN75HVD78. Always verify supply voltage, speed, and driver characteristics before substituting in your design.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.9060 | $3.91 |
| 27+ | $2.6040 | $70.31 |
| 97+ | $2.4087 | $233.64 |
| 235+ | $0.8651 | $203.30 |
| 305+ | $0.8326 | $253.94 |
| 375+ | $0.8001 | $300.04 |
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