ZHCSTH2 October 2023 THVD1400V
PRODUCTION DATA
| PIN | TYPE | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| VIO | 1 | Logic Supply | Supply for logic I/O signals (R, RE, D, DE, and SLR) |
| R | 2 | Digital output | Logic output RS-485 data |
| DE | 3 | Digital input | Driver enable/disable. Internal pull-down. Driver disabled by default |
| RE | 4 | Digital input | Receiver enable/disable. Internal pull-up. Receiver disabled by default |
| D | 5 | Digital input | Logic input RS485 data. Internal pull-up. Drives the bus high by default if driver is enabled |
| GND | 6 | GND | Ground |
| SLR | 7 | Digital input | Slew rate control. Internal pull-down, default 20 Mbps operation. Logic high SLR enables slow speed (500 kbps) |
| A | 8 | Bus input/output | RS-485 bus pin. This pin is non-inverting driver output or non-inverting receiver input |
| B | 9 | Bus input/output | RS-485 bus pin. This pin is inverting driver output or inverting receiver input |
| VCC | 10 | Power | 3 V to 5.5 V supply |
| Thermal Pad | -- | Connect to GND for optimal thermal and electrical performance | |