www.DataSheet4U.com BL59A12/BL59S12 PHOTOELECTRIC.
SHANGHAI BELLING
BL59A12 - PHOTOELECTRIC SMOKE DETECTOR
www.DataSheet4U.com BL59A12/BL59S12 PHOTOELECTRIC SMOKE DETECTOR IC 1. Product description 1.1 Basic function: BL59A12 (BL59S12) is a CMOS LSI used f.