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AAT3510 Datasheet(PDF) 5 Page - Advanced Analog Technology, Inc. |
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AAT3510 Datasheet(HTML) 5 Page - Advanced Analog Technology, Inc. |
5 / 11 page AAT3510/1/2/3/4/5/6/7/8/9 Micropower µP Reset with Watchdog Timer 3510.2006.03.1.7 5 Electrical Characteristics V CC = 2.5V to 5.5V, TA = -40°C to +85ºC 1, unless otherwise noted. Typical values are at T A = 25°C. Symbol Description Conditions Min Typ Max Units Open-Drain RESET Output (AAT3517, 3518, 3519) V CC ≥ 1.0V, ISINK = 50µA 0.3 V CC ≥ 1.2V, ISINK = 100µA 0.3 V OL RESET Low Output Voltage V CC ≥ 2.7V, ISINK = 1.2mA 0.3 V V CC ≥ 4.5V, ISINK = 3.2mA 0.4 I D(OFF) Reset Leakage Current 1.0 µA Watchdog Input (AAT3510, 3511, 3512, 3513, 3514, 3517, 3518) AAT351xIGV-xx-x-A-T1 4.3 6.3 9.3 t WD Watchdog Timeout Period AAT351xIGV-xx-x-B-T1 71 102 153 ms AAT351xIGV-xx-x-C-T1 2 1.12 1.6 2.4 s t WDI WDI Minimum Pulse Width V IL = 0.3 x VCC, VIH = 0.7 x VCC 50 ns V IL WDI Input Threshold 3 0.3 x V CC V IH WDI Input Threshold 3 0.8 x V CC V I WDI WDI Input Current 4 WDI = V CC, Time Average 120 160 µA V WDI = 0, Time Average -20 -15 Manual RESET Input (AAT3510, 3511, 3512, 3515, 3516, 3517, 3519) V IL MR Input Threshold 0.3 x V CC MR Input Threshold 0.7 x V CC V MR Input Pulse Width 1 µs V IH MR Glitch Rejection 100 ns MR Internal Pull-Up Resistance T A = 25°C 35 52 75 k Ω MR to Reset Delay V CC = 5V 230 ns 1. Over-temperature limits are guaranteed by design, not production tested. 2. Watchdog timeout period C is not available on AAT3513, AAT3514, and AAT3518. 3. WDI is internally serviced within the watchdog period if WDI is left unconnected. 4. The WDI input current is specified as the average input current when the WDI input is driven high or low. The WDI input is designed for a three-stated-output device with a 10µA maximum leakage current and capable of driving a maximum capacitive load of 200pF. The three-state device must be able to source and sink at least 200µA when active. |
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