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MC33064P-5数据手册
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© Semiconductor Components Industries, LLC, 2016
October, 2016 − Rev. 19
1 Publication Order Number:
MC34064/D
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
These Devices are Pb−Free and are RoHS Compliant
1.2 V
ref
Reset
GND
Input
=
Sink Only
Positive True Logic
This device contains 21 active transistors.
Figure 1. Representative Block Diagram
www.onsemi.com
Pin 1. Reset
2. Input
3. Ground
TO−92
P SUFFIX
CASE 29
8
1
(Top View)
3
1
N.C.
Ground
N.C.
N.C.
2
4
8
7
6
5
N.C.
N.C.
Input
Reset
8
1
PIN CONNECTIONS
ORDERING INFORMATION
SOIC−8
D SUFFIX
CASE 751
Micro8
DM SUFFIX
CASE 846A
TSOP−5
SN SUFFIX
CASE 483
1
5
Pin 1. Ground
2. Input
3. Reset
4. NC
5. NC
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
See general marking information in the device marking
section on page 7 of this data sheet.
DEVICE MARKING INFORMATION
1
2
3
1
2
BENT LEAD
TAPE & REEL
AMMO PACK
STRAIGHT LEAD
BULK PACK
3

MC33064P-5 数据手册

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On Semiconductor### 微处理器电源电压监控和复位电路电源电压监测和监控电路,用于台式机、便携式计算机和笔记本电脑、测试和测量仪器、便携式电池供电设备和多输出电源。电源电压探测器 电源电压监控器 电源监控器 微处理器监控 微处理器电压监控器 微控制器复位电路
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On Semiconductor### 微处理器电源电压监控和复位电路电源电压监测和监控电路,用于台式机、便携式计算机和笔记本电脑、测试和测量仪器、便携式电池供电设备和多输出电源。电源电压探测器 电源电压监控器 电源监控器 微处理器监控 微处理器电压监控器 微控制器复位电路
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