ZM33164C Zetex Semiconductors, ZM33164C Datasheet
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ZM33164C
Manufacturer Part Number
ZM33164C
Description
SUPPLY VOLTAGE MONITOR
Manufacturer
Zetex Semiconductors
Datasheet
1.ZM33164C.pdf
(5 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ZM33164CSTOB
Manufacturer:
FCI
Quantity:
1 300
SUPPLY VOLTAGE
MONITOR
ISSUE 2 – NOVEMBER 1995
DEVICE DESCRIPTION
The ZM33164 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 4.3volts
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
ZM33164 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.
SCHEMATIC DIAGRAM
4-94
FEATURES
APPLICATIONS
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
4.3 volt threshold for 5 volt logic
60mV hysteresis prevents erratic operation
Microprocessor systems
Computers
Computer peripherals
Instrumentation
Automotive
Battery powered equipment
ZM33164