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ZXCM209XF

Zetex Semiconductors
Part Number ZXCM209XF
Manufacturer Zetex Semiconductors
Description VERY LOW POWER MICROPROCESSOR RESET DEVICES
Published Apr 17, 2005
Detailed Description ZXCM209 ZXCM210 VERY LOW POWER MICROPROCESSOR RESET DEVICES DESCRIPTION The ZXCM209/210 are three terminal supervisory ...
Datasheet PDF File ZXCM209XF PDF File

ZXCM209XF
ZXCM209XF

Overview
ZXCM209 ZXCM210 VERY LOW POWER MICROPROCESSOR RESET DEVICES DESCRIPTION The ZXCM209/210 are three terminal supervisory circuits used to monitor the power supplies in microprocessor and digital systems.
They provide a high performance economical solution when used with 5V, 3V or lower powered circuits.
Reset thresholds suitable for operation with a variety of supply voltages are available.
These devices provide a reset signal whenever the supply voltage falls below a preset threshold, keeping it asserted for a minimum delay period of 140ms after the supply has risen above the reset level.
The ZXCM209 has an active-low RESET output (which is guaranteed to be in the correct state for supplies down to 1V), while the ZXCM210 has an active-high RESET output.
The reset comparator has in built hysteresis to prevent erratic operation and is designed to ignore supply transients.
Low supply current (typically 2µA) makes the ZXCM209/210 devices ideal for use in portable equipment.
They are availa...


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