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MC33064DM-5R2 View Datasheet(PDF) - ON Semiconductor

Part NameDescriptionManufacturer
MC33064DM-5R2 Undervoltage Sensing Circuit ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC33064DM-5R2 Datasheet PDF : 12 Pages
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MC34064, MC33064,
NCV33064
Undervoltage Sensing
Circuit
The MC34064 is an undervoltage sensing circuit specifically
designed for use as a reset controller in microprocessor−based
systems. It offers the designer an economical solution for low voltage
detection with a single external resistor. The MC34064 features a
trimmed−in−package bandgap reference, and a comparator with
precise thresholds and built-in hysteresis to prevent erratic reset
operation. The open collector reset output is capable of sinking in
excess of 10 mA, and operation is guaranteed down to 1.0 V input with
low standby current. The MC devices are packaged in 3−pin TO-92,
micro size TSOP−5, 8−pin SOIC−8 and Micro8t surface mount
packages. The NCV device is packaged in SOIC−8 and TO−92.
Applications include direct monitoring of the 5.0 V MPU/logic
power supply used in appliance, automotive, consumer and industrial
equipment.
Features
Trimmed−In−Package Temperature Compensated Reference
Comparator Threshold of 4.6 V at 25°C
Precise Comparator Thresholds Guaranteed Over Temperature
Comparator Hysteresis Prevents Erratic Reset
Reset Output Capable of Sinking in Excess of 10 mA
Internal Clamp Diode for Discharging Delay Capacitor
Guaranteed Reset Operation with 1.0 V Input
Low Standby Current
Economical TO−92, TSOP−5, SOIC−8 and Micro8 Surface Mount
Packages
NCV Prefix for Automotive and Other Applications Requiring Site
and Control Changes
Pb−Free Packages are Available
Input 2 (2)
Reset
1 (1)
1.2 Vref
GND 3 (4)
=
Sink Only
Positive True Logic
Pin numbers adjacent to terminals are for the 3−pin TO−92 package.
Pin numbers in parenthesis are for the 8−lead packages.
This device contains 21 active transistors.
Figure 1. Representative Block Diagram
© Semiconductor Components Industries, LLC, 2005
1
February, 2005 − Rev. 12
http://onsemi.com
1
2
3
8
1
8
1
5
1
TO−92
P SUFFIX
CASE 29
Pin 1. Reset
2. Input
3. Ground
SOIC−8
D SUFFIX
CASE 751
Micro8
DM SUFFIX
CASE 846A
TSOP−5
SN SUFFIX
CASE 483
Pin 1. Reset
2. Input
3. Ground
4. NC
5. NC
PIN CONNECTIONS
Reset 1
Input 2
N.C. 3
Ground 4
8 N.C.
7 N.C.
6 N.C.
5 N.C.
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 7 of this data sheet.
Publication Order Number:
MC34064/D
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