AHC157

www.ti.com SN54AHC157 SN74AHC157 SCLS345J – MAY 1996 – REVISED JUNE 2013 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS Check for Samples: SN54AHC157, SN74AHC157 FEATURES 1 Operating Range 2-V to 5.5-V Latch-Up Performance Exceeds 250 mA Per JESD 17 ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) SN54AHC157 . . . J or W PACKAGE SN74AHC157 . . . D,DB,DGV,N,NS, OR PW PACKAGE (TOP VIEW) SN74AHC157 . . . RGY PACKAGE (TOP VIEW) SN54AHC157 . . . FK PACKAGE (TOP VIEW) VCC G NC A/B 1A VCC A/B A /B 1 1A 2 1B 3 1Y 4 2A 5 2B 6 2Y 7 GND 8 16 VCC 15 G 14 4A 13 4B 12 4Y 11 3A 10 3B 9 3Y 1 1A 2 1B 3 1Y 4 2A 5 2B 6 2Y 7 8 16 15 G 14 4A 13 4B 12 4Y 11 3A 10 3B 9 3 2 1 20 19 1B 4 18 4A 1Y 5 17 4B NC 6 16 NC 2A 7 15 4Y 2B 8 14 3A 9 10 11 12 13 3B 3Y NC GND 2Y 3Y GND NC − No internal connection DESCRIPTION These quadruple 2-line to 1-line data selectors/multiplexers are designed for 2-V to 5.5-V VCC operation. The ’AHC157 devices feature a common strobe (G) input. When the strobe is high, all outputs are low. When the strobe is low, a 4-bit word is selected from one of two sources and is routed to the four outputs. The devices provide true data. FUNCTION TABLE INPUTS OUTP UT G A/B A B Y H X X X L L L L X L L L H X H L H X L L L H X H H 1 Please be aware that an important notice concerning availability, standard warranty, and use...