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PDF ( 数据手册 , 数据表 ) MC33164

零件编号 MC33164
描述 Micropower Undervoltage Sensing Circuits
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MC33164 数据手册, 描述, 功能
MC34164, MC33164,
NCV33164
Micropower Undervoltage
Sensing Circuits
The MC34164 series are undervoltage sensing circuits specifically
designed for use as reset controllers in portable microprocessor based
systems where extended battery life is required. These devices of fer
the designer an economical solution for low voltage detection with a
single external resistor . The MC34164 series features a bandgap
reference, a comparator with precise thresholds and builtin hysteresis
to prevent erratic reset operation, an open collector reset output
capable of sinking in excess of 6.0 mA, and guaranteed operation
down to 1.0 V input with extremely low standby current. The MC
devices are packaged in 3 pin T O92 (T O226AA), micro size
TSOP5, 8pin SOIC8 and Micro8surface mount packages. The
NCV device is packaged in SOIC8.
Applications include direct monitoring of the 3.0 V or 5.0 V
MPU/logic power supply used in appliance, automotive, consumer,
and industrial equipment.
Features
Temperature Compensated Reference
Monitors 3.0 V (MC341643) or 5.0 V (MC341645) Power Supplies
Precise Comparator Thresholds Guaranteed Over Temperature
Comparator Hysteresis Prevents Erratic Reset
Reset Output Capable of Sinking in Excess of 6.0 mA
Internal Clamp Diode for Discharging Delay Capacitor
Guaranteed Reset Operation With 1.0 V Input
Extremely Low Standby Current: As Low as 9.0 mA
Economical TO92 (TO226AA), TSOP5, SOIC8 and Micro8
Surface Mount Packages
NCV Prefix for Automotive and Other Applications Requiring Site
and Control Changes
PbFree Packages are Available
Input
Reset
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123 1 2 3
STRAIGHT LEAD
BULK PACK
BENT LEAD
TAPE & REEL
AMMO PACK
TO92 (TO226AA)
P SUFFIX
CASE 29
5
1
TSOP5
SN SUFFIX
CASE 483
8
1
SOIC8
D SUFFIX
CASE 751
8
1
Micro8
DM SUFFIX
CASE 846A
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)
TSOP5
Pin 1. Ground
2. Input
3. Reset
4. NC
5. NC
TO92
Pin 1. Reset
2. Input
3. Ground
1.2 Vref
GND
Figure 1. Representative Block Diagram
This device contains 28 active transistors.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
=
Sink Only
Positive True Logic
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 8 of this data sheet.
© Semiconductor Components Industries, LLC, 2009
April, 2009 Rev. 18
1
Publication Order Number:
MC34164/D
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MC33164 pdf, 数据表
TSOP5
SN SUFFIX
CASE 483
5
SRCAYWG
G
1
MC34164, MC33164, NCV33164
PIN CONNECTIONS AND MARKING DIAGRAMS
SOIC8
D SUFFIX
CASE 751
8
3x164
ALYWy
G
1
Micro8
MC33164DM
CASE 846A
8
MIy0
AYWG
G
1
Micro8
MC34164DM
CASE 846A
8
MCy0
AYWG
G
1
SRC = Device Code
x = Device Number 3 or 4
y = Suffix Number 3 or 5
A = Assembly Location
L = Wafer Lot
Y = Year
W, WW = Work Week
G = PbFree
TO92
MC3x164PyRA
MC3x164PyRP
MC3x164Py
CASE 29
MC3x1
64Py
YWW
123
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8














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