Texas Instruments SN65HVD22P, RS-422/RS-485 Transceiver, Half Duplex, 1/1 Drivers/Receivers, 500 kbps, 8-DIP (0.300", 7.62mm), Through Hole, -40°C to 85°C, 4.5V to 5.5V supply.
| Parameter | Value |
|---|---|
| Type | Transceiver |
| Mounting | Through Hole |
| Supply voltage | 4.5V ~ 5.5V |
| Protocol | RS422, RS485 |
| Operating temperature | -40°C~85°C |
| Duplex | Half |
| Package | Tube |
| Data rate | 500kbps |
| Case | 8-DIP (0.300\", 7.62mm) |
| Receiver hysteresis | 130 mV |
| Number of drivers (Receivers) | 1/1 |
The 130 mV of receiver hysteresis helps reject noise on long or electrically noisy bus runs — a practical benefit when the cable leaves the cabinet and runs past a VFD or motor drive.
The through-hole PDIP package is a legacy-friendly footprint — easy to hand-replace on a repair bench or socket in a prototype, though it takes up more board area than a modern SOIC.
That means no last-time-buy scramble and no forced redesign for a drop-in replacement.
Buyers need to know if the part is still available for production or maintenance.
Sourcing buyers need immediate distributor options to purchase.
Design engineers need to validate PCB footprint and connectivity.
If the part is EOL or out of stock, buyers need a drop-in substitute.
Budget and cost comparison is critical for procurement decisions.
Ensures the transceiver can interface with the microcontroller or other logic levels.