STM6780V(2010) 데이터시트 - STMicroelectronics
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STM6780V
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STMicroelectronics
Description
The STM6717/18/19/20 and STM6777/78/79/80 supervisors are a family of low-voltage/low-supply current processor (micro or DSP) supervisors, designed to monitor two (or three) system power supply voltages. They are targeted at applications such as set-top boxes (STBs), portable, battery-powered systems, networking, and communication systems.
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)
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