전자부품 데이터시트 검색엔진 |
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SN74148 데이터시트(PDF) 1 Page - Texas Instruments |
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SN74148 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 26 page SN54147, SN54148, SN54LS147, SN54LS148 SN74147, SN74148 (TIM9907), SN74LS147, SN74LS148 10LINE TO 4LINE AND 8LINE TO 3LINE PRIORITY ENCODERS SDLS053B − OCTOBER 1976 − REVISED MAY 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 ’147, ’LS147 D Encode 10-Line Decimal to 4-Line BCD D Applications Include: − Keyboard Encoding − Range Selection ’148, ’LS148 D Encode 8 Data Lines to 3-Line Binary (Octal) D Applications Include: − n-Bit Encoding − Code Converters and Generators 32 1 20 19 910 11 1213 4 5 6 7 8 18 17 16 15 14 D 3 NC 2 1 6 7 NC 8 C SN54LS147 ...FK PACKAGE (TOP VIEW) NC − No internal connection 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 4 5 6 7 8 C B GND VCC NC D 3 2 1 9 A SN54147, SN54LS147 ...J OR W PACKAGE SN74147, SN74LS147 ...D OR N PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 4 5 6 7 EI A2 A1 GND VCC E0 GS 3 2 1 0 A0 SN54148, SN54LS148 ...J OR W PACKAGE SN74148, SN74LS148 . . . D, N, OR NS PACKAGE (TOP VIEW) 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 GS 3 NC 2 1 6 7 NC EI A2 SN54LS148 . . . FK PACKAGE (TOP VIEW) TYPE TYPICAL DATA DELAY TYPICAL POWER DISSIPATION ’147 10 ns 225 mW ’148 10 ns 190 mW ’LS147 15 ns 60 mW ’LS148 15 ns 60 mW NOTE: The SN54147, SN54LS147, SN54148, SN74147, SN74LS147, and SN74148 are obsolete and are no longer supplied. 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. Copyright 2004, 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. On products compliant to MILPRF38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. |
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