(PDF) KK74HC253A Datasheet - Dual 4-Input Data Selector/Multiplexer

Número de pieza	KK74HC253A
Descripción	Dual 4-Input Data Selector/Multiplexer
Fabricantes	KODENSHI KOREA
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No Preview Available ! TECHNICAL DATA Dual 4-Input Data Selector/Multiplexer with 3-State Otputs High-Performance Silicon-Gate CMOS KK74HC253A The KK74HC253A is identical in pinout to the LS/ALS253. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. The Address Inputs select one of four Data Inputs from each multiplexer. Each multiplexer has an active-low Output Enable control and a three-state noninverting output. • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 2.0 to 6.0 V • Low Input Current: 1.0 µA • High Noise Immunity Characteristic of CMOS Devices ORDERING INFORMATION KK74HC253AN Plastic KK74HC253AD SOIC TA = -55° to 125° C for all packages LOGIC DIAGRAM PIN ASSIGNMENT PIN 16 =VCC PIN 8 = GND www.DataSheet4U.net FUNCTION TABLE Inputs Output A1 A0 OE Y XX H Z LL L D0 LH L D1 HL L D2 HH L D3 D0,D1...D3=the level of the respective Data Input Z = high impedance X = don’t care 1 1 page KK74HC253A Figure 3. Test Circuit Figure 4. Test Circuit EXPANDED LOGIC DIAGRAM 5 5 Page

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PDF KK74HC253A Data sheet ( Hoja de datos )