SN54-74LS155 ON Semiconductor, SN54-74LS155 Datasheet
SN54-74LS155
Related parts for SN54-74LS155
SN54-74LS155 Summary of contents
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... DUAL 1-OF-4 DECODER/ DEMULTIPLEXER The SN54 / 74LS155 and SN54 / 74LS156 are high speed Dual 1-of-4 Decoder/Demultiplexers. These devices have two decoders with common 2-bit Address inputs and separate gated Enable inputs. Decoder “a” has an Enable gate with one active HIGH and one active LOW input. Decoder “b” has two active LOW Enable inputs ...
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... SN54/74LS155 SN54/74LS156 LOGIC DIAGRAM PIN 16 GND = PIN 8 = PIN NUMBERS FUNCTIONAL DESCRIPTION The LS155 and LS156 are Dual 1-of-4 Decoder/Demulti- plexers with common Address inputs and separate gated Enable inputs. When enabled, each decoder section accepts the binary weighted Address inputs ( and provides four mutually exclusive active LOW outputs (O 0 – ...
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... PLH Propagation Delay t PHL Address Output t PLH Propagation Delay t PHL Address to Output t PLH Propagation Delay t PHL Output 1 PHL 1 OUT Figure 1 SN54/74LS155 Min 54 4.5 74 4.75 54 – 54 (unless otherwise specified) Limits U i Unit Min ...
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... PLH Propagation Delay t PHL Address Output t PLH Propagation Delay t PHL Address to Output t PLH Propagation Delay t PHL Output 1 PHL 1 OUT Figure 1 SN54/74LS156 Min 54 4.5 74 4.75 54 – 54 (unless otherwise specified) Limits U i Unit Min ...