07/08/2024
74LS139 - High-Speed Dual 1-of-4 Decoder Demultiplexer DIPFeatures Two Independent Two-of-Four Decoders Based Upon the Select InputsInputs Clamped with Schottky DiodesDesigned for Memory Decoders and Data Transmission SystemsOperating Temperature up to 70oCStandard TTL Switching VoltagesVCC Suppl