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ST485EBDR Breakout
RS-485 TRANSCEIVER HALF-DUPLEX 5V 8SOIC
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Design a Custom BoardAbout This Component
Half-duplex RS-485/RS-422 transceiver with low 300 µA quiescent current, operating from a single 5V supply. Features ±15kV ESD protection, 30ns propagation delay, and supports up to 256 devices on the bus. Includes short-circuit current limiting and thermal shutdown protection for robust industrial communication applications.
Package: SOIC-8 (3.9×4.9mm) · 8 pins
Why does this need a breakout?
An 8-pin SOIC with 1.27mm pitch is too fine for breadboards and hand-soldering without a microscope. A breakout board routes these pins to standard 0.1" headers, enabling rapid prototyping and reliable connections for op-amps, transceivers, and small power MOSFETs without requiring reflow equipment.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | STMicroelectronics |
| Part Number | ST485EBDR |
| Package | SOIC-8 (3.9×4.9mm) |
| Pin Count | 8 |
| Data Rate | 5Mbps |
| Duplex | Half |
| Number of Drivers/Receivers | 1/1 |
| Protocol | RS422, RS485 |
| Type | Transceiver |
| Voltage - Supply | 4.75V ~ 5.25V |
What's Included
BILL OF MATERIALS
- 1x ST485EBDR soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS
WIDTH
< 0.9" (straddles breadboard)
PITCH
2.54mm standard
SOLDER
Lead-free, reflow assembled
FINISH
FR4, lead-free HASL