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74AC11898N датащи(PDF) 1 Page - Texas Instruments |
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74AC11898N датащи(HTML) 1 Page - Texas Instruments |
1 / 7 page 74AC11898 10BIT PARALLELOUT SERIAL SHIFT REGISTER SCAS143 − OCTOBER 1990 − REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 Copyright 1993, Texas Instruments Incorporated 2−1 • AND-Gated (Enable/Disable) Serial Inputs • Fully Buffered Clock and Serial Inputs • Direct Clear • Fully Synchronous Data Transfers • Flow-Through Architecture Optimizes PCB Layout • Center-Pin V CC and GND Pin Configurations Minimize High-Speed Switching Noise • EPIC (Enhanced-Performance Implanted CMOS) 1- µm Process • 500-mA Typical Latch-Up Immunity at 125°C • Package Options Include Plastic Small-Outline Packages and Standard Plastic 300-mil DIPs description The 74AC11898 features AND-gated serial inputs and an asynchronous clear. The gated serial inputs (A and B) permit complete control over incoming data. A low at either input inhibits entry of new data and resets the first flip-flop to the low level on the rising edge of the next clock pulse. A high-level input enables the other input, which then determines the state of the first flip-flop. Data at the serial inputs may be changed while the clock is high or low provided the minimum setup and hold time requirements are met. Clocking occurs on the low-to-high transition of the clock input. The 74AC11898 is characterized for operation from − 40 °C to 85°C. FUNCTION TABLE INPUTS OUTPUTS CLR CLK A B QA QB ... QJ L X X X L L L H LX X QA0 QB0 QJO H ↑ HHH QAN QIN H ↑ LXL QAN QIN H ↑ X L L QAN QIN H = high level (steady state) X = irrelevant (any input, including transitions) ↑ = transition from low to high level QA0, QB0, QJ0 = the level of QA, QB, QJ respectively, before the indicated steady-state input conditions were established. Qn, Qin = the level or QA or QJ before the most recent ↑ transition of the clock; indicates a one-bit shift. 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. DW OR N PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 QC QD QE GND GND GND GND QF QG QH QB QA CLR A VCC VCC B CLK QJ QI EPIC is a trademark of Texas Instruments Incorporated. |
Аналогичный номер детали - 74AC11898N |
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Аналогичное описание - 74AC11898N |
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