IL1705N(2011) Просмотр технического описания (PDF) - IK Semicon Co., Ltd

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IL1705N
(Rev.:2011)

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 sta-

ble 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

2011, February, Rev. 01

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