74HC/HCT251 8-input Multiplexer; 3-state

The 74HC/HCT251 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT251 are the Logic implementations of single-pole 8-position switches with the state of three select inputs (S0,S1,S2) controlling the Switch positions. Assertion (Y) and negation (Y) outputs are both provided. The output enable input (OE) is active LOW. The Logic function provided at the output, when activated, is:Y =OE.(I0.S0.S1.S2 + I1.S0.S1.S2 + + I2.S0.S1.S2 + I3.S0.S1.S2 + + I4.S0.S1.S2 + I5.S0.S1.S2 + + I6.S0.S1.S2 + I7.S0.S1.S2) Both outputs are in the high impedance OFF-state (Z) when the output enable input is HIGH, allowing multiplexer expansion by tying the outputs.
By NXP Semiconductors
Part Manufacturer Description Datasheet Samples
CD74HC251M96G4 Texas Instruments HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
SN74HC251DE4 Texas Instruments Data Selectors/Multiplexers With 3-State Outputs 16-SOIC -40 to 85
SN74HC251NSR Texas Instruments Data Selectors/Multiplexers With 3-State Outputs 16-SO -40 to 85
SN74HC251PWTE4 Texas Instruments HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, GREEN, PLASTIC, TSSOP-16
CD74HC251M96E4 Texas Instruments HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
SN74HC251DBRG4 Texas Instruments HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, GREEN, PLASTIC, SSOP-16
SN74HC251NE4 Texas Instruments HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP16, ROHS COMPLIANT, PLASTIC, DIP-16
SN74HC251PWT Texas Instruments Data Selectors/Multiplexers With 3-State Outputs 16-TSSOP -40 to 85
CD74HC251MTE4 Texas Instruments HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
SN74HC251DRG4 Texas Instruments Data Selectors/Multiplexers With 3-State Outputs 16-SOIC -40 to 85
74HC251 's Packages74HC251 's pdf datasheet
74HC251D SO
74HC251DB SSOP
74HC251N DIP
74HC251PW TSSOP
74HCT251D SO
74HCT251DB SSOP
74HCT251N DIP
74HCT251PW TSSOP




74HC251 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
74HC251 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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