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DS1500WEN+ Datasheet(PDF) 6 Page - Maxim Integrated Products |
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DS1500WEN+ Datasheet(HTML) 6 Page - Maxim Integrated Products |
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6 / 19 page  DS1500 Y2KC Watchdog RTC with Nonvolatile Control 6 of 19 Figure 4. Burst Mode Timing Waveform A 0–A 4 DQ0 – DQ7 O E , W E , OR C S 13h PW HIGH PW LOW POWER-UP/DOWN CHARACTERISTICS (Figure 5) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS CS, CEI, or WE at VIH Before Power-Fail tPF 0 µs VCCI Fall Time: VPF(MAX) to VPF(MIN) tF 300 µs VCCI Fall Time: VPF(MIN) to VSO tFB 10 µs VCCI Rise Time: VPF(MIN) to VPF(MAX) tR 0 µs VPF to RST High tREC 35 200 ms CAPACITANCE (TA = +25°C) PARAMETER SYMBOL MIN TYP MAX UNITS Capacitance on All Input Pins CIN 10 pF Capacitance on IRQ, PWR, RST, and DQ Pins CIO 10 pF AC TEST CONDITIONS OUTPUT LOAD INPUT PULSE LEVELS TIMING MEASUREMENT REFERENCE LEVELS INPUT PULSE RISE AND FALL TIMES (Y) 50pF + 1TTL Gate Input: 1.5V (W) 25pF + 1 TTL Gate 0V to 3.0V for 5V operation Output: 1.5V 5ns |
Similar Part No. - DS1500WEN+ |
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Similar Description - DS1500WEN+ |
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