ZSM561 Datasheet Supply Voltage Monitor

Manufacturer: Zetex (now Diodes Incorporated)

Overview: SUPPLY VOLTAGE MONITOR ISSUE 3 – JANUARY 1998 DEVICE.

Datasheet Details

Part number	ZSM561
Manufacturer	Zetex (now Diodes Incorporated)
File Size	147.20 KB
Description	SUPPLY VOLTAGE MONITOR
Datasheet	ZSM561_ZetexSemiconductors.pdf

The ZSM561 is a three terminal under vo l ta ge mo ni t or ci rc ui t f or use i n microprocessor systems.

The threshold voltage of the device has been set to 4.6 volts making it ideal for 5 volt circuits.

Included in the device is a precise voltage reference and a comparator with built in hysteresis to prevent erratic operation.

an open collector output capable of sinking at least l0mA which only requires a single external resistor to interface to following circuits. Operation of the device is guaranteed from one volt upwards, from this level to the device threshold voltage the output is held low providing a power on reset function. Should the supply voltage, once established, at any time drop below the threshold level then the output again will pull low. Also included is a 6 volt zener diode connected between Vcc and G.