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TC1043 数据表(PDF) 10 Page - Microchip Technology |
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TC1043 数据表(HTML) 10 Page - Microchip Technology |
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10 / 20 page ![]() TC1043 DS21347B-page 10 © 2002 Microchip Technology Inc. FIGURE 4-4: COMPARATOR EXTERNAL HYSTERESIS CONFIGURATION FIGURE 4-5: 32.768 KHZ “TIME-OF- DAY” CLOCK OSCILLATOR FIGURE 4-6: NON-RETRIGGERABLE MULTI-VIBRATOR FIGURE 4-7: SQUARE WAVE GENERATOR + – VR VDD VOUT VSRC RA RB RC TC1043 Comparator + – VDD VOUT VDD RB 150k RA 150k RC 1M CA 100 pF 32.768 kHz TPER = 30.52 µsec TC1043 Comparator + – + – VDD CMPTR1 CMPTR2 In In Out Out R3 1M R4 1M R6 562k R7 1M R2 100k R1 100k R8 D2 D1 10M R9 243k R5 10M C1 100 pF R10 61.9k A B C GND t0 C GND VDD GND VDD TC1025 TC1043 VDD + – R1 100k VDD R4 R3 100k R2 100k C1 VH = R2 (VDD) R2 + (R1||R3) VL = (VDD) (R2||R3) R1 + (R2||R3) FREQ = 1 2(0.694)(R4)(C1) TC1043 Comparator |
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