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74ACT11139 Datasheet(PDF) 1 Page - Texas Instruments |
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74ACT11139 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 6 page  74ACT11139 DUAL 2-LINE TO 4-LINE DECODER/DEMULTIPLEXER SCAS175A – SEPTEMBER 1991 – REVISED APRIL 1996 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Inputs Are TTL-Voltage Compatible D Designed Specifically for High-Speed Memory Decoders and Data Transmission Systems D Incorporates Two Enable Inputs to Simplify Cascading and/or Data Reception D Fully Synchronous Operation for Counting D Center-Pin VCC and GND Configurations Minimize High-Speed Switching Noise D EPIC ™ (Enhanced-Performance Implanted CMOS) 1- µm Process D 500-mA Typical Latch-Up Immunity at 125 °C D Package Options Include Plastic Small-Outline (D) and Thin Shrink Small-Outline (PW) Packages, and Standard Plastic 300-mil DIPs (N) description The 74ACT11139 is designed for use in high-performance memory-decoding or data-routing applications that require very short propagation delay times. In high-performance memory systems, this decoder is used to minimize the effects of system decoding. The 74ACT11139 is composed of two individual 2-line to 4-line decoders in a single package. The active-low enables (1G or 2G) can be used as data lines in demultiplexing applications. This decoder/demultiplexer features fully buffered inputs, each of which represents only one normalized load to its driving circuit. The 74ACT11139 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE INPUTS OUTPUTS G B A Y0 Y1 Y2 Y3 H X X H H H H L LLL HHH L LH H LH H L HLH HLH L H H H H H L Copyright © 1996, Texas Instruments Incorporated 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. 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. EPIC is a trademark of Texas Instruments Incorporated. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1Y1 1Y2 1Y3 GND 2Y0 2Y1 2Y2 2Y3 1Y0 1A 1B 1G VCC 2G 2A 2B D, N, OR PW PACKAGE (TOP VIEW) |
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