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MAX6896AAZ Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX6896AAZ Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 15 page Ultra-Small, Adjustable Sequencing/Supervisory Circuits _______________________________________________________________________________________ 5 Pin Description PIN MAX6895/ MAX6897 MAX6896/ MAX6898 MAX6899 µDFN THIN SOT23 µDFN THIN SOT23 µDFN THIN SOT23 NAME FUNCTION 1 1 — — — — ENABLE Active-High Logic-Enable Input. Drive ENABLE low to immediately deassert the output to its false state (OUT = low or OUT = high) independent of VIN. With VIN above VTH, drive ENABLE high to assert the output to its true state (OUT = high or OUT = low) after the adjustable delay period (MAX689_A) or a 150ns propagation delay (MAX689_P). —— 1 1 1 1 ENABLE Active-Low Logic-Enable Input. Drive ENABLE high to immediately deassert the output to its false state (OUT = low or OUT = high) independent of VIN. With VIN above VTH, drive ENABLE low to assert the output to its true state (OUT = high or OUT = low) after the adjustable delay period (MAX689_A) or a 150ns propagation delay (MAX689_P). 2 2 2 2 2 2 GND Ground 33 33 3 3 IN High-Impedance Monitor Input. Connect IN to an external resistive divider to set the desired monitored threshold. The output changes state when VIN rises above 0.5V and when VIN falls below 0.495V. 4 4 — — 4 4 OUT Active-High Sequencer/Monitor Output, Push-Pull (MAX6895/MAX6899) or Open-Drain (MAX6897). OUT is asserted to its true state (OUT = high) when VIN is above VTH and the enable input is in its true state (ENABLE = high or ENABLE = low) for the capacitor-adjusted delay period. OUT is deasserted to its false state (OUT = low) immediately after VIN drops below VTH - 5mV or the enable input is in its false state (ENABLE = low or ENABLE = high). The open-drain version requires an external pullup resistor. —— 4 4 — — OUT Active-Low Sequencer/Monitor Output, Push-Pull (MAX6896) or Open-Drain (MAX6898). OUT is asserted to its true state (OUT = low) when VIN is above VTH and the enable input is in its true state (ENABLE = high or ENABLE = low) after the CDELAY adjusted timeout period. OUT is deasserted to its false state (OUT = high) immediately after VIN drops below VTH - 5mV or the enable input is in its false state (ENABLE = low or ENABLE = high). The open- drain version requires an external pullup resistor. 5 6 5 6 5 6 CDELAY Capacitor-Adjustable Delay. Connect an external capacitor (CCDELAY) from CDELAY to GND to set the IN to OUT (and ENABLE to OUT or ENABLE to OUT for A version devices) delay period. tDELAY = (CCDELAY x 4.0 x 10 6) + 40µs. There is a fixed short delay (40µs, typ) for the output deasserting when VIN falls below VTH. 65 65 6 5 VCC Supply Voltage Input. Connect a 1.5V to 5.5V supply to VCC to power the device. For noisy systems, bypass with a 0.1µF ceramic capacitor to GND. |
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