The LM809 has an active-low RESET output, while the LM810 has an active-high RESET output. The available threshold options are 2.63 V, 2.93 V, 3.08 V, 4.38 V, ...
LM809M3-2.93/NOPB ; Price: $0.83 ; Min: 1 ; Mfr.: Texas Instruments ; Mfr. #:. LM809M3X-2.93/NOPB ; Description: Supervisory Circuits 3-pin voltage supervisor (reset ...
Download the LM809M3X-2.93 datasheet from Texas Instruments. Contains Lead Active Low Obsolete DUAL supervisor -40C~105C TA 15muA 320mW 140ms Minimum.