FT7522L6X【PDF 1/8 页】IC RESET TIMER 6-MICROPAK

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Sheet目录1995

[1页]2页 3页 4页 5页

January 2012

2012 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FT7522 Rev. 1.0.0

FT7522

—

Reset

Timer

with

Fixed

Delay

and

Reset

Pulse

FT7522

Reset Timer with Fixed Delay and Reset Pulse

Features

Fixed Reset Delay: 7.5 Seconds

One Input Reset Pin

Open-Drain Output Pin with Fixed 400ms Pulse

1.8V to 5.0V Operation (T

A=-40°C to +85°C)

1.7V to 5.0V Operation (T

A=-25°C to +85°C)

1.65V to 5.0V Operation(T

A=0°C to +85°C)

<1A I

CCQ Consumption

Zero-Second Test-Mode Enable

Applications

Cell Phones

Portable Media Players

Tablets

Mobile Devices

Consumer Medical

Description

The FT7522 is a timer for resetting a mobile device

where long reset times are needed. The long delay

helps avoid unintended resets caused by accidental key

presses. It has a fixed delay of 7.5 ±20% seconds. The

DSR pin enables Test Mode operation by immediately

forcing /RST1 LOW for factory testing.

The FT7522 has one input for single-button resetting

capability. The device has a single open-drain output

with 0.5mA pull-down drive.

FT7522 draws minimal ICC current when inactive and

functions over a power supply range of 1.65V to 5.0V.

Figure 1.

Block Diagram

Ordering Information

Part Number

Operating

Temperature Range

Top

Mark

Package

Packing Method

FT7522L6X

-40

C to +85C

6-Lead, MicroPak 1.0 x 1.45mm,

JEDEC MO-252

5000 Units on

Tape and Reel

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