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SN65HVD06D Equivalent & Substitute Parts
Part Overview
The SN65HVD06D is a half-duplex RS422/RS485 transceiver IC manufactured by Texas Instruments in 8-SOIC surface mount packaging. This device operates within a 4.5V to 5.5V supply voltage range and supports data rates up to 10 Mbps with a receiver hysteresis of 35 mV. The part is currently in Last Time Buy status, indicating end-of-life production. Equivalent and substitute parts are necessary to ensure design continuity and long-term component availability for new production runs and legacy system maintenance.
Substiute Parts
Key Parameters
| Parameter | SN65HVD06D |
|---|---|
| Manufacturer | Texas Instruments |
| Protocol | RS422, RS485 |
| Type | Transceiver Half Duplex |
| Number of Drivers/Receivers | 1/1 |
| Data Rate | 10 Mbps |
| Voltage Supply Range | 4.5V ~ 5.5V |
| Receiver Hysteresis | 35 mV |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the SN65HVD06D is determined by strict adherence to the following electrical and mechanical parameters:
Critical Matching Parameters:
- Protocol: RS422/RS485 half-duplex transceiver
- Package: 8-SOIC form factor (0.154", 3.90mm Width)
- Number of Drivers/Receivers: 1/1 configuration
- Operating Temperature Range: -40°C to 85°C minimum
- Mounting Type: Surface Mount
Functional Compatibility Parameters:
- Data Rate: Minimum 10 Mbps required
- Supply Voltage: Must operate within or encompass 4.5V ~ 5.5V range
- Receiver Hysteresis: Acceptable range 15 mV to 35 mV
Substitute parts are grouped into two categories based on supply voltage compatibility:
Group 1 - Direct 5V Supply Compatibility: SN65HVD06DR (Texas Instruments) maintains identical electrical specifications and supply voltage range.
Group 2 - 3V Supply Compatibility with Extended Data Rate: ISL3172EIBZ, ISL3172EIBZ-T, ISL83072EIBZA, ISL83072EIBZA-T, ISL83075EIBZA, ISL83075EIBZA-T, ISL83078EIBZA, and ISL83078EIBZA-T (Renesas Electronics Corporation) operate at 3V ~ 3.6V supply voltage with data rates ranging from 250 kbps to 20 Mbps, exceeding the 10 Mbps requirement of the original part.
Group 3 - Automotive Grade Alternative: ADM4853WARZ-RL7 (Analog Devices Inc.) provides automotive-grade qualification with 4.75V ~ 5.25V supply voltage compatibility and 10 Mbps data rate capability.
Parameter Comparison
| Part Number | Manufacturer | Protocol | Data Rate | Supply Voltage | Receiver Hysteresis | Operating Temp | Package | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|
| SN65HVD06D | Texas Instruments | RS422, RS485 | 10 Mbps | 4.5V ~ 5.5V | 35 mV | -40°C ~ 85°C | 8-SOIC | Last Time Buy | Tube |
| SN65HVD06DR | Texas Instruments | RS422, RS485 | 10 Mbps | 4.5V ~ 5.5V | 35 mV | -40°C ~ 85°C | 8-SOIC | Active | Cut Tape & Digi-Reel |
| ADM4853WARZ-RL7 | Analog Devices Inc. | RS422, RS485 | 10 Mbps | 4.75V ~ 5.25V | 20 mV | -40°C ~ 85°C | 8-SOIC | Active | Tape & Reel |
| ISL3172EIBZ | Renesas Electronics | RS422, RS485 | 250 kbps | 3V ~ 3.6V | 15 mV | -40°C ~ 85°C | 8-SOIC | Active | Tube |
| ISL3172EIBZ-T | Renesas Electronics | RS422, RS485 | 250 kbps | 3V ~ 3.6V | 15 mV | -40°C ~ 85°C | 8-SOIC | Active | Cut Tape & Digi-Reel |
| ISL83072EIBZA | Renesas Electronics | RS422, RS485 | 250 kbps | 3V ~ 3.6V | 15 mV | -40°C ~ 85°C | 8-SOIC | Active | Tube |
| ISL83072EIBZA-T | Renesas Electronics | RS422, RS485 | 250 kbps | 3V ~ 3.6V | 15 mV | -40°C ~ 85°C | 8-SOIC | Active | Cut Tape & Digi-Reel |
| ISL83075EIBZA | Renesas Electronics | RS422, RS485 | 500 kbps | 3V ~ 3.6V | 15 mV | -40°C ~ 85°C | 8-SOIC | Active | Tube |
| ISL83075EIBZA-T | Renesas Electronics | RS422, RS485 | 500 kbps | 3V ~ 3.6V | 15 mV | -40°C ~ 85°C | 8-SOIC | Active | Cut Tape & Digi-Reel |
| ISL83078EIBZA | Renesas Electronics | RS422, RS485 | 20 Mbps | 3V ~ 3.6V | 15 mV | -40°C ~ 85°C | 8-SOIC | Active | Tube |
| ISL83078EIBZA-T | Renesas Electronics | RS422, RS485 | 20 Mbps | 3V ~ 3.6V | 15 mV | -40°C ~ 85°C | 8-SOIC | Active | Cut Tape & Digi-Reel |
Engineering Selection Recommendations
Primary Recommendation - SN65HVD06DR: SN65HVD06DR is the direct equivalent from Texas Instruments with identical electrical specifications and supply voltage range. This part maintains Active product status and is available in higher quantities (5300 pcs) compared to the original SN65HVD06D. Selection of this part eliminates any design modification requirements and ensures seamless integration into existing PCB layouts and firmware implementations.
Secondary Recommendation - ADM4853WARZ-RL7: ADM4853WARZ-RL7 from Analog Devices Inc. provides automotive-grade qualification suitable for applications requiring enhanced reliability standards. The supply voltage range (4.75V ~ 5.25V) overlaps with the original part's operating window, and the 10 Mbps data rate matches the SN65HVD06D specification. This option is appropriate for designs targeting automotive or industrial environments where grade certification is mandatory.
Alternative Recommendations - Renesas ISL Series: The Renesas ISL3172, ISL83072, ISL83075, and ISL83078 series transceivers operate at 3V ~ 3.6V supply voltage and require system-level design modifications. These parts are suitable only for applications where the power supply architecture can be redesigned to accommodate the lower voltage range. The ISL83078 series offers the highest data rate capability (20 Mbps), exceeding the original part's 10 Mbps specification. All Renesas parts maintain Active product status with substantial inventory availability.
Compliance Considerations: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the environmental and regulatory requirements of the original SN65HVD06D. Moisture sensitivity levels vary between MSL 1 (Unlimited) for Texas Instruments parts and MSL 3 (168 Hours) for Renesas parts, requiring appropriate handling procedures during assembly and storage.
Frequently Asked Questions (FAQ)
Q: Can I directly replace SN65HVD06D with SN65HVD06DR without PCB modifications?
A: Yes. SN65HVD06DR is a direct equivalent with identical electrical specifications, supply voltage range (4.5V ~ 5.5V), data rate (10 Mbps), and 8-SOIC package. No circuit modifications are required. The only difference is packaging format (Cut Tape & Digi-Reel versus Tube).
Q: What is the key difference between the Texas Instruments and Renesas substitute options?
A: Texas Instruments SN65HVD06DR maintains the original 4.5V ~ 5.5V supply voltage requirement. Renesas ISL series parts operate at 3V ~ 3.6V, requiring complete power supply redesign. Selection depends on whether your system can accommodate a lower supply voltage.
Q: Are the Renesas ISL83078 parts suitable replacements despite the higher data rate?
A: ISL83078 parts (20 Mbps) exceed the original 10 Mbps specification and are electrically compatible with RS422/RS485 protocols in 8-SOIC packaging. However, they require 3V ~ 3.6V supply voltage, necessitating system redesign. Use only if your application can support the lower voltage range.
Q: What does MSL 3 (168 Hours) mean for Renesas parts?
A: MSL 3 indicates the component can absorb moisture for up to 168 hours at specified temperature and humidity conditions before soldering. This requires stricter handling and storage protocols compared to MSL 1 (Unlimited). Ensure your manufacturing process includes appropriate bake-out procedures before reflow soldering.
Q: Is ADM4853WARZ-RL7 suitable for non-automotive applications?
A: Yes. ADM4853WARZ-RL7 is automotive-grade qualified but functions identically to standard-grade transceivers in non-automotive applications. The automotive qualification provides additional reliability assurance without performance penalties. This part is appropriate for any application requiring 10 Mbps RS422/RS485 communication within the 4.75V ~ 5.25V supply range.
Q: What packaging options are available for substitute parts?
A: SN65HVD06DR and Renesas ISL series offer both Tube and Cut Tape & Digi-Reel packaging options. ADM4853WARZ-RL7 is supplied in Tape & Reel format. Select packaging based on your procurement volume and assembly line requirements.
Q: Can I use ISL3172EIBZ-T or ISL83072EIBZA-T as drop-in replacements?
A: These parts are not drop-in replacements due to 3V ~ 3.6V supply voltage requirement versus the original 4.5V ~ 5.5V specification. They require complete power supply circuit redesign. Use only if your system architecture can be modified to support lower voltage operation.
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