Datasheet > MC34064D-005

MC34064D-005

更新时间： 2024-11-08 22:19:39

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
8页	147K
描述
UNDERVOLTAGE SENSING CIRCUIT

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MC34064D-005 数据手册

Order this document by MC34064/D

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. These devices are packaged in 3-pin

TO-226AA, 8-pin SO–8 and Micro–8 surface mount packages.

UNDERVOLTAGE

SENSING CIRCUIT

SEMICONDUCTOR

TECHNICAL DATA

Applications include direct monitoring of the 5.0 V MPU/logic power

supply used in appliance, automotive, consumer and industrial equipment.

• Trimmed-In-Package Temperature Compensated Reference

• Comparator Threshold of 4.6 V at 25°C

P SUFFIX

PLASTIC PACKAGE

CASE 29

• 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

Pin 1. Reset

2. Input

(TO–226AA)

3. Ground

• Low Standby Current

• Economical TO–226AA, SO–8 and Micro–8 Surface Mount Packages

D SUFFIX

PLASTIC PACKAGE

CASE 751

(SO–8)

DM SUFFIX

PLASTIC PACKAGE

CASE 846A

Representative Block Diagram

(Micro–8)

Input

2 (2)

Reset

1 (1)

Reset

Input

N.C.

Ground

(Top View)

1.2 V

ref

ORDERING INFORMATION

Operating

Temperature Range

Device

Package

Gnd

3 (4)

MC34064D–5

SO–8

Sink Only

Positive True Logic

MC34064DM–5

= 0° to +70°C

Micro–8

MC34064P–5

MC33064D–5

MC33064DM–5

MC33064P–5

TO–226AA

SO–8

Pin numbers adjacent to terminals are for the 3–pin TO–226AA package.

Pin numbers in parenthesis are for the 8–lead packages.

= – 40° to +85°C

Micro–8

This device contains 21 active transistors.

TO–226AA

Motorola, Inc. 1996

Rev 2

MOTOROLA ANALOG IC DEVICE DATA

12 3 4 5 6 7 8

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