Datasheet > AS1909C16-T

AS1909C16-T

更新时间： 2024-01-26 19:19:23

品牌	Logo	应用领域
艾迈斯 - AMSCO		微处理器复位电路
页数	文件大小	规格书
10页	267K
描述
Low-Voltage Microprocessor Reset Circuits

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AS1909C16-T 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Contact Manufacturer	Reach Compliance Code：	unknown
风险等级：	5.67	Base Number Matches：	1

AS1909C16-T 数据手册

Data Sheet

AS1907, AS1908 , AS1909

Low-Voltage Microprocessor Reset Circuits

1 General Description

2 Key Features

ꢀ

3 Output Types: Push/Pull RESET, Push Pull

RESETN, and Open Drain RESETN

The AS1907/AS1908/AS1909 microprocessor supervi-

sory circuits are ideal for monitoring the supply voltage

of digital systems and microprocessors.

Reset Threshold Range: 1.6 to 2.5V (~100mV incre-

ments)

The devices are designed to initiate a reset if the supply

voltage goes below a predefined threshold. The duration

of the reset is either 1.5, 30, or 150ms (typ.) after the

supply voltage has risen above the pre-set threshold

(see Ordering Information on page 9).

RESET/RESETN:

- Valid to VCC = 0.7V (AS1907 and AS1908)

- Valid to VCC = 1.0V (AS1909)

The devices are available as the standard products

listed in Table 1.

ꢀ

Reset Pulse Widths: 1, 20, and 100ms

Supply Voltage Range: +0.7 to +3.6V

Supply Current Range: 2.6 to 7.0µA

Power Supply Transient Immunity

Requires No External Components

Operating Temperature Range: -40 to +125ºC

3-pin SOT23 Package

Table 1. Standard Products

Model

AS1907

AS1908

AS1909

Output Type

Push/Pull

Reset Type

Active-Low

Active-High

Active-Low

Push/Pull

Open-Drain

The reset thresholds are factory-set between 1.6 and

2.5V in steps of approximately 100mV (see Table 5 on

page 7).

The devices exhibit excellent reliability, and can reduce

system costs by eliminating the need for external com-

ponents. The extremely low current consumption makes

the devices ideal for use in portable applications.

3 Applications

The devices are ideal for use in cordless and mobile

phones, MP3 players, CD and DVD players, PDAs,

handheld computers, digital cameras, hard drives, and

any other application where power supply supervisory

control is required.

The integrated reset comparator was specifically

designed to ignore fast transients on VCC.

The devices are available in a 3-pin SOT23 package.

Figure 1. Application Diagrams

VCC

Micro-

processor

RESETN

AS1908

AS1909

AS1907

RESET I/O

RESET

RESET I/O

RESETN

RESET I/O

GND

www.austriamicrosystems.com

Revision 1.02

1 - 10

12 3 4 5 6 7...10

中文翻译

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与AS1909C16-T相关器件

型号	品牌	获取价格	描述	数据表
AS1909C17-T	AMSCO	获取价格	Low-Voltage Microprocessor Reset Circuits
AS1909C188-T	AMSCO	获取价格	Low-Voltage Microprocessor Reset Circuits
AS1909C18-T	AMSCO	获取价格	Low-Voltage Microprocessor Reset Circuits
AS1909C20-T	AMSCO	获取价格	Low-Voltage Microprocessor Reset Circuits
AS1909C22-T	AMSCO	获取价格	Low-Voltage Microprocessor Reset Circuits
AS1909C23-T	AMSCO	获取价格	Low-Voltage Microprocessor Reset Circuits
AS1910	AMSCO	获取价格	Dual-Voltage Microprocessor Supervisory Circuits with Reset and Watchdog
AS1910_1	AMSCO	获取价格	Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset and Watchdog
AS1910R-T	AMSCO	获取价格	Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset and Watchdog
AS1910S-T	AMSCO	获取价格	Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset and Watchdog

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