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KK74ACT157 - Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS

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TECHNICAL DATA www.DataSheet4U.com KK74ACT157 Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS The KK74ACT157 is identical in pinout to the LS/ALS157, HC/HCT157. The KK74ACT157 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs. This device routes 2 nibbles (A or B) to a single port (Y) as determined by the Select input. The data is presented at the outputs in noninvertered form. A high level on the Output Enable input sets all four Y outputs to a low level. • TTL/NMOS Compatible Input Levels • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 4.5 to 5.5 V • Low Input Current: 1.0 µA; 0.