データシートサーチシステム |
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SN74AS194DR データシート(PDF) 2 Page - Texas Instruments |
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SN74AS194DR データシート(HTML) 2 Page - Texas Instruments |
2 / 17 page SN54AS194, SN74AS194 4BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTERS SDAS212A − DECEMBER 1983 − REVISED DECEMBER 1994 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 FUNCTION TABLE INPUTS OUTPUTS CLR MODE CLK SERIAL PARALLEL QA QB QC QD CLR S1 S0 CLK LEFT RIGHT A B C D QA QB QC QD L X X X X X X X X X L L L L H X XL X XX XX X QA0 QB0 QC0 QD0 H H H ↑ X Xa bc d a bc d H L H ↑ X HX XX X H QAn QBn QCn H L H ↑ X LX XX X L QAn QBn QCn H H L ↑ H XX XX X QBn QCn QDn H H H L ↑ L XX XX X QBn QCn QDn L H L L X X X X X X X QA0 QB0 QC0 QD0 H = high level (steady state); L = low level (steady state); X = irrelevant (any input, including transitions); ↑ = transition from low to high level; a, b, c, d = the level of steady-state input at inputs A, B, C, or D, respectively; QA0, QB0, QC0, QD0 = the level of QA, QB, QC, or QD, respectively, before the indicated steady-state input conditions were established; QAn, QBn, QCn, QDn = the level of QA, QB, QC, respectively, before the most recent ↑ transition of the clock. logic symbol† SRG4 3, 4D 4 B 3, 4D 5 C 3, 4D 6 D 2, 4D 7 SL SER 1, 4D 2 SR SER 3, 4D 3 A R 1 11 CLK C4 M 0 3 14 13 15 1 10 S1 0 9 S0 1 /2 12 CLR QA QB QC QD † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. |
同様の部品番号 - SN74AS194DR |
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同様の説明 - SN74AS194DR |
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