Datasheet > DS1831B/T&R

DS1831B/T&R

更新时间： 2024-02-10 09:01:54

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

3.3V reset or for all reset outputs by the master pushbutton. The DS1831A replaces one reference

comparator and the master pushbutton with watchdog and the DS1831B replaces the 3.3V PBRST with a

last reset status output.

TOL and TD inputs allow user configuration of the DS1831 for multiple applications. The TOL inputs

configure the tolerance for the specified output and the TD inputs configure the reset time delays.

PIN DESCRIPTION

IN_5V

5V Power Supply Input

MPBRST

TD_WD

NMI2

Master Pushbutton (DS1831)

Watchdog Time Delay Select (DS1831A)

Non-maskable Interrupt 2 (DS1831)

5V Reset Open Drain Output

RST _5V

Watchdog Status Output (DS1831A)

Non-maskable Interrupt 1

WDS

NMI1

TOL_5V

TD_5V

Selects 5V Input Tolerance

Selects 5V Reset Time Delay

3.3V Reset Pushbutton

PBRST_3.3V

Pushbutton Status Output (DS1831B)

Select 3.3V Reset Time Delay

PBST

TD_3.3V

5V Reset Pushbutton

Sense Input 1

PBRST_5V

IN1

IN2

TOL_3.3V

RST _3.3V

Selects 3.3V Input Tolerance

3.3V Reset Open Drain Output

Sense Input 2 (DS1831)

Watchdog Strobe Inputs

(DS1831A)

GND

Ground

IN_3.3V

3.3V Power Supply Input

DS1831 BLOCK DIAGRAM Figure 1

IN_5V

100k

PBRST_5V

TD_5V

V_CC

TOL_5V

TOLERANCE

BIAS

RST_5V

TIME

DELAY

1.25V T.C.

REFERENCE

100k

Level

Sense

MPBRST

IN_3.3V

100k

PBRST_3.3V

TD_3.3V

V_CC

TOLERANCE

BIAS

TOL_3.3V

RST_3.3V

TIME

DELAY

NMI1

NMI2

IN1

IN2

GROUND

2 of 14

123 4 5 6 7...16

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