Datasheet > FT7522

FT7522

更新时间： 2024-09-15 12:23:27

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		脉冲
页数	文件大小	规格书
8页	1241K
描述
Reset Timer with Fixed Delay and Reset Pulse

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数据手册

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FT7522 数据手册

January 2012

FT7522

Reset Timer with Fixed Delay and Reset Pulse

Description

Features

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.

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)

<1µA I_CCQConsumption

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 I_CCcurrent when inactive and

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

Zero-Second Test-Mode Enable

Applications

Cell Phones

Portable Media Players

Tablets

Mobile Devices

Consumer Medical

Figure 1.

Block Diagram

Ordering Information

Operating

Temperature Range

Top

Mark

Part Number

Package

Packing Method

6-Lead, MicroPak™ 1.0 x 1.45mm,

JEDEC MO-252

5000 Units on

Tape and Reel

FT7522L6X

-40C to +85C

FT7522 • Rev. 1.0.0

www.fairchildsemi.com

12 3 4 5 6 7 8

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