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ZM33064

Part Number	ZM33064
Manufacturer	Zetex Semiconductors
Description	SUPPLY VOLTAGE MONITOR
Published	Apr 16, 2005
Detailed Description	SUPPLY VOLTAGE MONITOR ISSUE 3 - NOVEMBER 1997 DEVICE DESCRIPTION The ZM33064 is a three terminal under vo l ta ge mo ni...
Datasheet	ZM33064 PDF File

Overview

SUPPLY VOLTAGE MONITOR ISSUE 3 - NOVEMBER 1997 DEVICE DESCRIPTION The ZM33064 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.
The ZM33064 features 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.
The device is available in a TO92 package for through hole applications as well as SO8 and SOT223 for surface mount requirements.
ZM33064 FEATURES • • • • • • • • • • • • • • • SO8, SOT223 and TO92 packages Power on reset generator Automatic reset generation Low standby current Guaranteed operation from 1 volt Wide supply voltage range Internal clamp diode to discharge delay capacitor 4.
6 volt threshold for 5 volt logic 20mV hysteresis prevents erratic operation APPLICATIONS Microprocessor systems Computers Computer peripherals Instrumentation Automotive Battery powered equipment SCHEMATIC DIAGRAM 4-89 ZM33064 ABSOLUTE MAXIMUM RATING Input Supply Voltage Offstate Output Voltage Onstate Output Sink Current(Note 1) Clamp diode Forward Current(Note 1) Operating junction temperature Operating Temperature Storage Temperature -1 to 10V 10V Internally limited 100mA 150°C -40 to 85°C -65 to 150°C Power Dissipation TO92 SOT223 SO8 780mW 2W(Note 2) 780mW(Note 2) TEST CONDITIONS (Tamb=25°C for typical values, Tamb=-40 to 85°C for min/max values (Note3)) COMPARATOR PARAMETER Threshold Voltage High state output (Vcc increasing) Low ...

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ZM33064 SUPPLY VOLTAGE MONITOR - Zetex Semiconductors

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