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STM6719

STMicroelectronics
Part Number STM6719
Manufacturer STMicroelectronics
Description Dual/triple ultra-low voltage supervisor
Published Jun 13, 2008
Detailed Description STM6717/6718/6719/6720 STM6777/6778/6779/6780 Dual/triple ultra-low voltage supervisors with push-button reset (with del...
Datasheet PDF File STM6719 PDF File

STM6719
STM6719

Overview
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.
63 V to 1.
58 V ■ Secondary supply (VCC2) monitor (STM6717/18/19/20/77/78) ■ Fixed (factory-programmed) reset thresholds: 3.
08 V to 0.
79 V ■ Tertiary supply monitor (using externally adjustable RSTIN): 0.
626 V internal reference ■ RST outputs (push-pull or open drain); state guaranteed if VCC1 or VCC2 ≥ 0.
8 V ■ Reset delay time (trec) on power-up: 13.
2 ms, 210 ms, 900 ms (typ) ■ Manual reset input (MR) ■ Optional delayed manual reset input (MRC) with external capacitor (STM6777/78/79/80) ■ Low supply current - 11 µA (typ), VCC1 = VCC2 = 3.
6 V ■ Operating temperature: –40 °C to 85 °C (industrial grade) SOT23-5 (WY) SOT23-6 (WB) Table 1.
Device summary Part number Monitored voltages VCC1 VCC2 RSTIN Manual reset Delayed MR input (MR) pin (MRC) Reset output (RST) Active-low Active-low (push-pull) (open drain) Package STM6717 ✔ ✔ ✔ STM6718 ✔ ✔ ✔ STM6719 ✔ ✔ ✔ ✔ STM6720 ✔ ✔ ✔ ✔ STM6777 ✔ ✔ ✔ STM6778 ✔ ✔ ✔ STM6779 ✔ ✔ ✔ STM6780 ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ WY WY ✔ WB WB ✔ WB WB ✔ WB WB August 2011 Doc ID 11469 Rev 8 1/30 www.
st.
com 1 Contents Contents STM6717/6718/6719/6720/STM6777/6778/6779/6780 1 Description .
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5 1.
1 Pin descriptions .
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7 1.
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1 Active-low, push-pull reset output (RST) - STM6718/20/78/80 .
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3 Active-low, open drain reset output (RST) - STM6717/19/77/79 .
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7 Push-button reset input (MR) .
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7 Manual reset delay input (MRC) - STM6777/78/79/80) .
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8 Prim...


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