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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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LS7215 数据表(PDF) 6 Page - LSI Computer Systems |
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LS7215 数据表(HTML) 6 Page - LSI Computer Systems |
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6 / 8 page  7215-062309-6 FIGURE 5. RC- Oscillator Connection LS7216 FIGURE 6. MULTI-TIMER WITH SINGLE CRYSTAL TIME-BASE LS7216 LS7215 4 4 CLOCK 25pF 470k 5 4 10M XTLO XTLI 25pF CLOCK CRYSTAL +V 1M 120VAC 200pF 4 8 CLOCK LS7215 V SS V DD 3 FIGURE 7. DRIVING CLOCK INPUT FROM THE AC LINE +V LS7215 FIGURE 8. DELAY EXTENSION BY CASCADING * * TRIGGER ƒ 1, 2 11-18 8 2 3 4 WB0-WB7 TRIG CLOCK A, B 9 VSS 8 LS7215 * * 1, 2 11-18 8 2 3 4 WB0-WB7 TRIG CLOCK A, B 9 OUT 8 19 19 * Connect for desired delay and mode OUT VDD VDD OUT WB LOAD WB LOAD LOAD LOAD VSS 20 20 +V V SS 10k 0.1µF RC 3 LS7215 VDD +V 8 4 ƒ = 1 10 x 10 x 0.1 x 10 = 1kHz 3 -6 ƒ 5 RCS/CLKS |
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