HomedatasheetSTM6822LWY6F

STM6822LWY6F Datasheet

Supervisory Circuits
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Description

Active-Low, Push-pull Reset Output (RST) - STM6822LWY6F . Pulses low when triggered, and stays low whenever VCC is below the reset threshold or when MR is a logic low. It remains low for trec after either VCC rises above the reset threshold, the watchdog triggers a reset, or MR goes from low to high. Active-Low, Open Drain Reset Output (RST) - STM6822LWY6F. Pulses low when triggered, and stays low whenever VCC is below the reset threshold or when MR is a logic low. It remains low for trec after either VCC rises above the reset threshold, the watchdog triggers a reset, or MR goes from low to high. Connect a pull-up resistor to supply voltage. Push-button Reset Input (MR). A logic low MR asserts the reset output. Reset remains asserted as long as MR is low and for trec after MR returns high. This active-low input has an internal 52kΩ pull-up. It can be driven from a TTL or CMOS logic line, or shorted to ground with a switch. Leave open if unused. Watchdog Input (WDI). If WDI remains high or low for at least 1.6sec, the internal watchdog timer expires and reset is asserted. The internal watchdog timer clears while reset is asserted or when WDI sees a rising or falling edge. The watchdog function CAN be disabled if WDI is left unconnected or is connected to a tri-state buffer output. Active-High Reset Output. Active-high, pushpull reset output; inverse of RST. STM6822LWY6F Features • RST OUTPUTS (ACTIVE-LOW, PUSH-PULL OR OPEN DRAIN)• RST OUTPUTS (ACTIVE-HIGH, PUSHPULL)• 200ms (TYP) trec• WATCHDOG TIMER - 1.6sec (TYP)• MANUAL RESET INPUT (MR)• LOW SUPPLY CURRENT - 3µA (TYP)• GUARANTEED RST (RST) ASSERTION DOWN TO VCC = 1.0V
Features

Parameters

[{"Name":" Number of Voltages Monitored:","Value":"1"},{"Name":" Monitored Voltage:","Value":"2.5 V, 3 V, 3.3 V, 5 V"},{"Name":"Undervoltage Threshold:","Value":"4.561 V"},{"Name":"Overvoltage Threshold:","Value":"4.699 V"},{"Name":"Supply Voltage - Max:","Value":"7 V"},{"Name":" Power-Up Reset Delay (Typ):","Value":"280 ms"},{"Name":" Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":" Minimum Operating Temperature:","Value":"- 40 C"},{"Name":"Maximum Power Dissipation:","Value":"320 mW"},{"Name":" Supply Voltage - Min:","Value":"0.3 V"}]

Manufacturer information

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