74154TTL4线—16线译码器

TLF654854154DM54154DM741544-Lineto16-LineDecodersDemultiplexersJune 198954154DM54154DM741544-Line to 16-Line DecodersDemultiplexersGeneral DescriptionEach or these 4-line-to-16-line decoders utilizes TTL circuit-ry to decode four binary-coded inputs into one of sixteenmutually exclusive outputs when both the strobe inputs G1and G2 are low The demultiplexing function is performedby using the 4 input lines to address the output line passingdata from one of the strobe inputs with the other strobeinput low When either strobe input is high all outputs arehigh These demultiplexers are ideally suited for implement-ing high-performance memory decoders All inputs are buff-ered and input clamping diodes are provided to minimizetransmission-line effects and thereby simplify system de-signFeaturesY Decodes 4 binary-coded inputs into one of 16 mutuallyexclusive outputsY Performs the demultiplexing function by distributing datafrom one input line to any one of 16 outputsY Input clamping diodes simplify system designY High fan-out low-impedance totem-pole outputsY Typical propagation delay3 levels of logic 19 nsStrobe 18 nsY Typical power dissipation 170 mWY Alternate MilitaryAerospacedevice (54154) is avail-able Contact a National Semiconductor Sales OfficeDistributor for specificationsConnection DiagramDual-In-Line PackageTLF6548– 1Order Number 54154DMQB 54154FMQB DM54154J or DM74154NSee NS Package Number J24AN24A or W24CC1995 NationalSemiconductorCorporationRRD-B30M105Printed in U S AAbsolute Maximum Ratings (Note)If MilitaryAerospacespecified devices are requiredpleasecontacttheNationalSemiconductorSalesOfficeDistributors for availability and specificationsSupply Voltage7VInput Voltage55VOperating Free Air ...