Diodes AZ809/AZ810 Bedienungsanleitung PDF herunterladen

Data Sheet

3-PIN MICROPROCESSOR RESET CIRCUITS AZ809/AZ810

Dec. 2012 Rev. 1. 4 BCD Semiconductor Manufacturing Limited

General Description

The AZ809/810 microprocessor supervisory circuits

can be used to monitor the power supplies in micropro-

cessor and digital systems. They provide a reset to the

microprocessor in power-up, power-down and brown-

out conditions. The function of the AZ809/810 is to

monitor the V

supply voltage, and assert a reset sig-

nal whenever this voltage declines below the factory-

programmed reset threshold. The reset signal remains

asserted for 240ms after V

rises above the threshold.

The AZ809 has an active-low RESET output, while

the AZ810 has an active-high RESET output. Seven

standard reset voltage options are available, suitable

for monitoring 3.0V, 3.3V and 5.0V supply voltages.

With a typical supply current of only 8

μA when V

3.3V, the AZ809/810 are ideal for use in portable

equipment.

These ICs are available in SOT-23 package.

Features

· Precise Monitoring of 3.0V, 3.3V and 5.0V Sup-

ply Voltages

· Improved Maxim MAX809/MAX810 Replace-

ment

· 140ms Min. Reset Pulse Width

Active-low Reset Output (AZ809)

Active-high Reset Output (AZ810)

· No External Components

· Specified Over Full Temperature Range: -40 to

105

Applications

· Embedded Controllers

· Battery Operated Systems

· Intelligent Instruments

· Wireless Communication Systems

· PDAs and Handheld Equipment

SOT-23

Figure 1. Package Type of AZ809/810

1 2 3 4 5 6 7 8 9

Inhaltsverzeichnis

Seite 1

Data Sheet3-PIN MICROPROCESSOR RESET CIRCUITS AZ809/AZ8101Dec. 2012 Rev. 1. 4 BCD Semiconductor

Seite 2 - Pin Description

Data Sheet3-PIN MICROPROCESSOR RESET CIRCUITS AZ809/AZ8102Dec. 2012 Rev. 1. 4 BCD Semiconductor

Seite 3 - Ordering Information

1A LOW DROPOUT LINEAR REGULATOR AP2218 Data Sheet3-PIN MICROPROCESSOR RESET CIRCUITS

Seite 4

Data Sheet3-PIN MICROPROCESSOR RESET CIRCUITS AZ809/AZ8104Dec. 2012 Rev. 1. 4 BCD Semiconductor

Seite 5 - Electrical Characteristics

1A LOW DROPOUT LINEAR REGULATOR AP2218 Data Sheet3-PIN MICROPROCESSOR RESET CIRCUITS

Seite 6

Data Sheet3-PIN MICROPROCESSOR RESET CIRCUITS AZ809/AZ8106Dec. 2012 Rev. 1. 4 BCD Semiconductor

Seite 7 - Operating Diagram

Data Sheet3-PIN MICROPROCESSOR RESET CIRCUITS AZ809/AZ8107Dec. 2012 Rev. 1. 4 BCD Semiconductor

Seite 8 - Unit: mm(inch)

Data Sheet3-PIN MICROPROCESSOR RESET CIRCUITS AZ809/AZ8108Dec. 2012 Rev. 1. 4 BCD Semiconductor

Seite 9

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

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