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DS1340U-33 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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DS1340U-33 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 16 page I2C RTC with Trickle Charger Maxim Integrated 5 DS1340 OUTPUTS VCC VPF(MAX) INPUTS HIGH-Z DON'T CARE VALID RECOGNIZED RECOGNIZED VALID VPF(MIN) tREC tR tF VPF VPF Figure 2. Power-Up/Power-Down Timing Typical Operating Characteristics (VCC = +3.3V, TA = +25°C, unless otherwise noted.) ICCSA vs. VCC FT = 0 VCC (V) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 50 100 150 200 250 0 1.0 5.5 25 50 75 100 125 150 0 ICCS vs. VCC FT = 0 VCC (V) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.5 -1.8V -3.0V -3.3V IBACKUP1 (FT = 0) vs. VBACKUP 450 500 550 600 650 700 750 800 850 400 VBACKUP (V) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.5 IBACKUP2 (FT = 1) vs. VBACKUP 450 500 550 600 650 700 750 800 850 400 VBACKUP (V) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 5.5 IBACKUP3 vs. TEMPERATURE TEMPERATURE ( °C) 60 40 -20 0 20 500 550 600 650 700 750 800 850 -40 80 VBACKUP = 3.0V OSCILLATOR FREQUENCY vs. SUPPLY VOLTAGE (FT x 64) VBACKUP (V) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 32768.1 32768.2 32768.3 32768.4 32768.5 32768.6 32768.0 1.0 5.5 |
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