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BUY LM339DE4 https://www.utsource.net/itm/p/11690049.html
IC QUAD DIFF COMPARATOR 14-SOIC
Description: LM339DE4 is a low-power quad voltage comparator from Texas Instruments. Features: - Low power consumption - Low input bias current - Low input offset voltage - Output can sink or source up to 20mA - High speed response - Operating temperature range of -40°C to +85°C Applications: - Voltage monitoring - Temperature monitoring - Over-voltage protection - Motor control - Process control - Battery management (For reference only)