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SN74F157AN3 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74F157AN3 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 5 page SN54F157A, SN74F157A QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SDFS053A – MARCH 1987 – REVISED OCTOBER 1993 Copyright © 1993, Texas Instruments Incorporated 2–1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 • Buffered Inputs and Outputs • Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs description The ′F157A is a quadruple 2-input data selector/multiplexer featuring 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 ′F157A provides true data. The SN54F157A is characterized for operation over the full military temperature range of – 55 °C to 125 °C. The SN74F157A is characterized for operation from 0 °C to 70°C. FUNCTION TABLE INPUTS OUTPUT G A /B A B Y H X X X L L LL X L L LH X H L HX L L L H X H H SN54F157A ...J PACKAGE SN74F157A ...D OR N PACKAGE (TOP VIEW) 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 4A 4B NC 4Y 3A 1B 1Y NC 2A 2B SN54F157A . . . FK PACKAGE (TOP VIEW) NC – No internal connection 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 PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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