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SN74AHC157DBR Datasheet(PDF) 1 Page - Texas Instruments |
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SN74AHC157DBR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 27 page SN74AHC157 . . . D,DB,DGV,N,NS, OR PW PACKAGE (TOP VIEW) 3 2 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 4A 4B NC 4Y 3A 1B 1Y NC 2A 2B SN54AHC157 . . . FK PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 A /B 1A 1B 1Y 2A 2B 2Y GND VCC G 4A 4B 4Y 3A 3B 3Y NC − No internal connection SN74AHC157 . . . RGY PACKAGE (TOP VIEW) 1 16 8 9 2 3 4 5 6 7 15 14 13 12 11 10 G 4A 4B 4Y 3A 3B 1A 1B 1Y 2A 2B 2Y SN54AHC157 . . . J or W PACKAGE SN54AHC157 SN74AHC157 www.ti.com SCLS345J – MAY 1996 – REVISED JUNE 2013 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS Check for Samples: SN54AHC157, SN74AHC157 1 FEATURES • Operating Range 2-V to 5.5-V • ESD Protection Exceeds JESD 22 • Latch-Up Performance Exceeds 250 mA Per – 2000-V Human-Body Model (A114-A) JESD 17 – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) 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 in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 1996–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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