Datasheet > MAX16154DCBT

MAX16154DCBT

更新时间： 2024-11-29 00:08:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	405K
描述
nanoPower Supervisor and Watchdog Timer

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MAX16154DCBT 数据手册

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MAX16152/MAX16153/

MAX16154/MAX16155

nanoPower Supervisor and Watchdog Timer

General Description

Benefits and Features

The MAX16152/MAX16153/MAX16154/MAX16155 ultra-

low-current supervisory circuits monitor a single system

supply voltage and the integrity of code execution by a

microprocessor or microcontroller. These supervisors as-

● 400nA (typ) Supply Current

● 1.2V to 5.5V Operating Supply Range

● Monitors Supply Voltage and Provides System Reset

Signal

sert the reset output whenever the V

supply voltage is

● 1.5V to 5V Input Threshold Range in 100mV

Increments

● Watchdog Function Detects Faulty Code Execution

● Open-Drain Reset and Watchdog Outputs

● Watchdog Timer Enable Input

● 6-Bump WLP Package

greater than the minimum operating voltage, but less than

the reset threshold. After the supply voltage rises above

the reset threshold, the reset output remains asserted for

the reset timeout period, and then de-asserts. Reset volt-

age thresholds are available from 1.50V to 5.0V in approx-

imately 100mV increments.

● 6-Pin SOT23 Package

● -40°C to +125°C Operating Temperature Range

A watchdog timer circuit monitors microprocessor or mi-

crocontroller activity. During normal operation, the micro-

processor or microcontroller should repeatedly toggle the

watchdog input (WDI) before the supervisor’s watchdog

timeout period elapses to confirm that the system is exe-

cuting code properly. If the microprocessor or microcon-

troller does not provide a valid watchdog input transition

before the timeout period expires, the supervisor asserts

a watchdog (WDO) output to signal that the system is

not executing code as expected. The watchdog output

pulse can be used to reset the microprocessor or micro-

controller, or it may be used to interrupt the system to

warn of execution errors. The MAX16152 and MAX16153

feature a manual reset input (MR) to allow an external

pushbutton or logic signal to initiate a reset pulse. The

MAX16154 and MAX16155 feature a logic input (WD_EN)

that allows the system to enable and disable the watchdog

function.

Ordering Information appears at end of data sheet.

The MAX16152 and MAX16154 are offered in a 0.86mm

x 1.27mm 6-bump WLP, while the MAX16153 and

MAX16155 are offered in 6-pin SOT23 package. All de-

vices operate over the -40ºC to +125ºC temperature

range.

Applications

● Portable/Battery-Powered Equipment

● Tablets/e-Readers/Mobile Devices

● Glucose Monitors/Patient Monitor

● Metering

19-100532; Rev 0; 4/2019

12 3 4 5 6 7...20

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与MAX16154DCBT相关器件

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MAX16154DCCT	MAXIM	获取价格	nanoPower Supervisor and Watchdog Timer
MAX16154DCDC+T	MAXIM	获取价格	Power Supply Management Circuit,
MAX16154DCDT	MAXIM	获取价格	nanoPower Supervisor and Watchdog Timer
MAX16154DDAT	MAXIM	获取价格	nanoPower Supervisor and Watchdog Timer
MAX16154DDBT	MAXIM	获取价格	nanoPower Supervisor and Watchdog Timer
MAX16154DDCT	MAXIM	获取价格	nanoPower Supervisor and Watchdog Timer
MAX16154DDDT	MAXIM	获取价格	nanoPower Supervisor and Watchdog Timer
MAX16154DEAT	MAXIM	获取价格	nanoPower Supervisor and Watchdog Timer
MAX16154DEBT	MAXIM	获取价格	nanoPower Supervisor and Watchdog Timer
MAX16154DECT	MAXIM	获取价格	nanoPower Supervisor and Watchdog Timer

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