ZHCSQI5I August 1990 – October 2022 SN55LBC176 , SN65LBC176 , SN75LBC176
PRODUCTION DATA
- 1 特性
- 2 说明
- 3 Revision History
- 4 说明（续）
- 5 Pin Configuration and Functions
-
6 Specifications
- 6.1 Absolute Maximum Ratings
- 6.2 Recommended Operating Conditions
- 6.3 Thermal Information: SN55LBC176
- 6.4 Thermal Information: SN65LBC176, SN75LBC176
- 6.5 Dissipation Ratings
- 6.6 Driver Electrical Characteristics
- 6.7 Driver Switching Characteristics
- 6.8 Receiver Electrical Characteristics
- 6.9 Receiver Switching Characteristics
- 7 Parameter Measurement Information
- 8 Detailed Description
- 9 Device and Documentation Support
- 10Mechanical, Packaging, and Orderable Information
5 Pin Configuration and Functions
Table 5-1 Pin Functions
| PIN | TYPE | DESCRIPTION | ||
|---|---|---|---|---|
| NAME | SOIC,PDIP,CDIP | LCCC | ||
| R | 1 | 2 | O | Logic output RS485 data |
| RE | 2 | 5 | I | Receiver enable/disable |
| DE | 3 | 7 | I | Driver enable/disable |
| D | 4 | 10 | I | Logic input RS485 data |
| GND | 5 | 12 | - | Ground |
| A | 6 | 15 | I/O | RS485 bus pin; Non-Inverting |
| B | 7 | 17 | I/O | RS485 bus pin; Inverted |
| VCC | 8 | 20 | - | 5V Supply Voltage |
| NC | - | 1,2,3,6,8,9,11,13,14,16,18,19 | - | No Internal Connection |