Datenblatt-Suchmaschine für elektronische Bauteile |
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SN74F299N Datenblatt(PDF) 2 Page - Texas Instruments |
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SN74F299N Datenblatt(HTML) 2 Page - Texas Instruments |
2 / 13 page The SN54F299 is obsolete and no longer supplied. SN54F299, SN74F299 8BIT UNIVERSAL SHIFT/STORAGE REGISTERS WITH 3STATE OUTPUTS SDFS071B − MARCH 1987 − REVISED APRIL 2004 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 FUNCTION TABLE MODE INPUTS I/O PORTS OUTPUTS MODE CLR S1 S0 OE1† OE2† CLK SL SR A/QA B/QB C/QC D/QD E/QE F/QF G/QG H/QH QA′ QH′ Clear L L L X L H L X H L L X L L X X X X X X X X X X L L X L L X L L X L L X L L X L L X L L X L L X L L L L L L Hold H H L X L X L L L L X L X X X X QA0 QA0 QB0 QB0 QC0 QC0 QD0 QD0 QE0 QE0 QF0 QF0 QG0 QG0 QH0 QH0 QA0 QA0 QH0 QH0 Shift Right H H L L H H L L L L ↑ ↑ X X H L H L QAn QAn QBn QBn QCn QCn QDn QDn QEn QEn QFn QFn QGn QGn H L QGn QGn Shift Left H H H H L L L L L L ↑ ↑ H L X X QBn QBn QCn QCn QDn QDn QEn QEn QFn QFn QGn QGn QHn QHn H L QBn QBn H L Load H H H X X ↑ X X a b c d e f g h a h NOTE: a ...h = the level of the steady-state input at inputs A through H, respectively. This data is loaded into the flip-flops while the flip-flop outputs are isolated from the I/O terminals. † When one or both output-enable inputs are high, the eight I/O terminals are disabled to the high-impedance state; however, sequential operation or clearing of the register is not affected. logic diagram (positive logic) C1 1D C1 1D Six Identical Channels Not Shown‡ 19 11 12 8 2 3 18 17 S0 S1 SR (shift right serial input) CLK QA′ OE1 OE2 SL (shift left serial input) QH′ 716 A/QA H/QH 9 CLR 1 RR ‡ I/O ports not shown: B/QB (13), C/QC (6), D/QD (14), E/QE (5), F/QF (15), and G/QG (4). |
Ähnliche Teilenummer - SN74F299N |
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Ähnliche Beschreibung - SN74F299N |
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