High Speed CMOS Logic Quad 2-Input Multiplexers With Non-Inverting 3-State Outputs

The CD74HCT257 and ?HCT257 are quad 2-input multiplexers which select four bits of data from two sources under the control of a common Select Input (S). The Output Enable input (OE) is active LOW. When OE is HIGH, all of the outputs (1Y-4Y) are in the high impedance state regardless of all other input conditions.
Moving data from two groups of Registers to four common output buses is a common use of the 257. The state of the Select input determines the particular Register from which the data comes. It CAN also be used as a function generator.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
CD74HCT257M96E4 Rochester Electronics LLC Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
CD74HCT257MTE4 Rochester Electronics LLC Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
CD74HCT257ME4 Rochester Electronics LLC Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
CD74HCT257M96E4 Texas Instruments HCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
CD74HCT257MG4 Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers with Non-Inverting 3-State Outputs 16-SOIC -55 to 125
CD74HCT257MT Texas Instruments HCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
CD74HCT257M Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers with Non-Inverting 3-State Outputs 16-SOIC -55 to 125
CD74HCT257M96 Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers with Non-Inverting 3-State Outputs 16-SOIC -55 to 125
CD74HCT257ME4 Texas Instruments HCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16
CD74HCT257M96G4 Texas Instruments High Speed CMOS Logic Quad 2-Input Multiplexers with Non-Inverting 3-State Outputs 16-SOIC -55 to 125
CD74HCT257 's PackagesCD74HCT257 's pdf datasheet
CD74HCT257E PDIP
CD74HCT257EE4 PDIP
CD74HCT257M SOIC
CD74HCT257M96 SOIC
CD74HCT257M96E4 SOIC
CD74HCT257M96G4 SOIC
CD74HCT257ME4 SOIC
CD74HCT257MG4 SOIC
CD74HCT257MT SOIC
CD74HCT257MTE4 SOIC
CD74HCT257MTG4 SOIC




CD74HCT257 Pinout, Pinouts
CD74HCT257 pinout,Pin out
This is one package pinout of CD74HCT257,If you need more pinouts please download CD74HCT257's pdf datasheet.

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