IN1705 查看數據表（PDF） - IK Semicon Co., Ltd

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IN1705

Micro Monitor Supply Control

IK Semicon Co., Ltd 

TECHNICAL DATA

Micro Monitor Supply Control

IN1705

The IN1705 is designed to control power supply and to start mi-

crocontroller and microprocessor systems. It is used for securing

stable functioning of the system when starting and halting the device

as well as in the case of the supply voltage drops.

Manufactured in 8-pin SOIC/DIP package MS-012AA.

LSI features:

• rated supply voltage 5.0 V;

• generation of reset signal when power supply is on for

correct start of microprocessor;

• generation of reset signal when power supply drops below

the operating one to avoid incorrect functioning of

microprocessor;

• generation of reset signal when pushing reset button;

• possibility to program threashold voltage

at which reset signal is generated.

ORDERING INFORMATION

IL1705N Plastic

IL1705D SOIC

TA = -40° to 85° C for all packages.

The IN1705 contains a source of reference voltage,

two analog comparators, watchdog timer, digital sampler,

digital delay..

Functions:

• generation of reset signal per fixed level of supply

voltage;

• generation of reset signal from external “Reset” button;

• generation of signal of watchdog timer status;

• emergency interruption of primary power source.

PBRST 1

Vcc 2

GND 3

IN 4

8 WDS

7 RST

6 ST

5 NMI

Fig. 2 – Pin assignment

1

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