这个芯片要停产了哦,推荐你使用max3485E
关键特性
ESD Protection for RS-485 I/O Pins
±15kV-Human Body Model
±8kV-IEC 1000-4-2, Contact Discharge
±15kV-IEC 1000-4-2, Air-Gap Discharge
Operate from a Single +3.3V Supply-No Charge Pump Required
Interoperable with +5V Logic
Guaranteed 12Mbps Data Rate (MAX3485E/MAX3490E/MAX3491E)
Slew-Rate Limited for Errorless Data Transmission (MAX3483E/MAX3488E)
2nA Low-Current Shutdown Mode (MAX3483E/MAX3485E/MAX3486E/MAX3491E)
-7V to +12V Common-Mode Input Voltage Range
Full-Duplex and Half-Duplex Versions Available
Industry-Standard 75176 Pinout (MAX3483E/MAX3485E/MAX3486E)
Current-Limiting and Thermal Shutdown for Driver Overload Protection