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STM6720MSGWB6E Datasheet(PDF) 1 Page - STMicroelectronics |
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STM6720MSGWB6E Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 29 page December 2007 Rev 6 1/29 1 STM6717/6718/6719/6720 STM6777/6778/6779/6780 Dual/triple ultra-low voltage supervisors with push-button reset (with delay option) Features ■ Primary supply (VCC1) monitor. Fixed (factory- programmed) reset thresholds: 4.63V to 1.58V ■ Secondary supply (VCC2) monitor (STM6717/18/19/20/77/78). ■ Fixed (factory-programmed) reset thresholds: 3.08V to 0.79V ■ Tertiary supply monitor (using externally adjustable rstin): ■ 0.626V internal reference ■ RST outputs (push-pull or open drain); state guaranteed IF VCC1 OR VCC2 ≥ 0.8V ■ Reset delay time (trec) on power-up: 210ms, 900ms (typ) ■ Manual reset input (MR) ■ Optional delayed manual reset input (MRC) with external capacitor (STM6777/78/79/80) ■ Low supply current - 11µA (typ), VCC1 = VCC2 = 3.6V ■ Operating temperature: –40°C to 85°C (industrial grade) SOT23-5 (WY) SOT23-6 (WB) Table 1. Device summary Part number Monitored voltages Manual reset input (MR) Delayed MR pin (MRC) Reset output (RST) Package VCC1 VCC2 RSTIN Active-low (push-pull) Active-low (open drain) STM6717 ✔✔ ✔ ✔ WY STM6718 ✔✔ ✔ ✔ WY STM6719 ✔✔✔ ✔ ✔ WB STM6720 ✔✔✔ ✔ ✔ WB STM6777 ✔✔ ✔ ✔ ✔ WB STM6778 ✔✔ ✔ ✔ ✔ WB STM6779 ✔✔ ✔ ✔ ✔ WB STM6780 ✔✔ ✔ ✔ ✔ WB www.st.com |
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