Datasheet > DS1831B/T&R

DS1831B/T&R

更新时间： 2024-01-21 12:10:33

品牌	Logo	应用领域
美信 - MAXIM		光电二极管
页数	文件大小	规格书
16页	253K
描述
Power Supply Support Circuit, Fixed, 4 Channel, PDIP16, 0.300 INCH, PLASTIC, DIP-16

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技术参数
数据手册

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DS1831B/T&R 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	DIP
包装说明：	DIP,	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.29
Base Number Matches：	1

DS1831B/T&R 数据手册

DS1831/A/B

TIMING DIAGRAM—5V OR 3.3V PUSHBUTTON RESET Figure 5

t_PB

t_PDLY

V_IH

PBRST_5V

(or PBRST_3.3V

)

V_IL

t_RST

RST_5V(or RST_3.3V

)

V_OH

V_IL

OPERATION—PUSHBUTTON STATUS

The DS1831B provides a master pushbutton status open drain output. The PBST output indicates the

status of the most recent reset condition. If the last reset was generated by the master pushbutton input it

would maintain a low condition until cleared by another event (except the master pushbutton) generating

a reset. Once cleared it will remain high until the master pushbutton is pulled low generating a reset

condition. The PBST output is open drain and will require a pull-up resistor on the output to maintain a

valid condition. The value of the pull up resistor is not critical in most cases but must be set low enough

to pull the output to a high state. A common value used is 10kꢀ (see Figure 6).

DS1831B APPLICATION EXAMPLE Figure 6

5V Supply

3.3V Supply

V_CC

IN_5V

IN_3.3V

10kꢀ

RST_5V

RST_3.3V

V_CC

TOL_5V

V_SENSE1

V_SENSE2

TOL_3.3V

TD_5V

PBRST_5V

TD_3.3V

PBST

10 kꢀ

DS1831B

IN1

IN2

NMI1

NMI2

GND

MPBRST

6 of 14

1...3 4 567 8 9...16

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