Wire-OR

Configuration:

Device A (OD) ----+---- Pull-up ---- VDD
Device B (OD) ----+
Device C (OD) ----+---- Signal Line

警告

External pull-up resistor is mandatory for proper operation

Pull-up resistor value affects signal timing and power consumption

Not suitable for high-speed signals without careful design

註

Pull-up resistor selection considerations:

• Lower resistance: Faster rise times, higher power consumption
• Higher resistance: Slower rise times, lower power consumption
• Must handle total sink current from all connected devices