DS1558 데이터 시트보기 (PDF) - Maxim Integrated

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DS1558

Watchdog Clock with NV RAM Control

Maxim Integrated 

DS1558

ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +6.0V

Storage Temperature Range……………………………………………………………….-55°C to +125°C

Soldering Temperature………………………………………….See IPC/JEDEC J-STD-020 Specification

This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operation

sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect

reliability.

RECOMMENDED DC OPERATING CONDITIONS

(VCC = 3.3V ±10% or 5V ±10%, TA = -40°C to +85°C.)

PARAMETER

SYMBOL MIN TYP

Logic 1 Voltage VCC = +5V ±10%

(All Inputs)

VCC = +3.3V ±10%

VIH

2.2

2.0

Logic 0 Voltage VCC = +5V ±10%

(All Inputs)

VCC = +3.3V ±10%

VIL

-0.3

-0.3

Battery Voltage

VBAT

2.5 3.3

MAX

VCC + 0.3V

VCC + 0.3V

+0.8

+0.6

3.7

UNITS

V

V

V

NOTES

1

1

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