Datasheet > DS3800

DS3800

更新时间： 2024-11-18 22:40:39

品牌	Logo	应用领域
达拉斯 - DALLAS		电池静态存储器
页数	文件大小	规格书
2页	29K
描述
Advanced NV SRAM Battery Cap

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中文翻译

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数据手册

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DS3800 数据手册

PRELIMINARY

DS3800

Advanced NV SRAM Battery Cap

www.dalsemi.com

FEATURES

PIN ASSIGNMENT

ꢀ Houses 400 mAh primary lithium battery

ꢀ Snaps directly onto a surface–mounted 40mm

ball–grid array (BGA) Nonvolatile SRAM

module

ꢀ Attaches after host BGA module has been

surface–mounted to protect lithium battery

from the high temperatures of reflow

soldering

ꢀ Maintains mechanical and electrical

connection with BGA module even during

severe shock and vibration stresses

ꢀ Four attachment flanges latch onto host BGA

module to provide strong, semi–permanent

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attachment. Flanges can be broken off for cap

removal

ꢀ Industrial temperature range of –40°C to

+85°C

ABSOLUTE MAXIMUM RATINGS

Operating Temperature

-40°C to 85°C

Non-Operating Temperature

-40°C to 85°C

attery Cap

BATTERY CHARACTERISTICS

Nominal Voltage

Nominal Capacity

Chemistry

3 volts

400 mAh

Li(CF)x

Data Retention Life

8 Years (25°C)

DESCRIPTION

The DS3800 Battery Cap is a snap–on lithium power source for Dallas Semiconductors 40mm ball–grid

array (BGA) Nonvolatile SRAM modules. After a host BGA module has been soldered in place and

cleaned, the DS3800 Battery Cap is snapped onto the module to serve as the secondary power supply.

The Battery Cap is keyed to prevent incorrect attachment and is designed to maintain mechanical and

electrical contact with its host module even during severe shock and vibration. Electrically, the DS3800

battery is connected to the host BGA module with gold–plated round pins in the Battery Cap inserted into

gold–plated receptacles on the BGA. Mechanically, four flanges on the DS3800 tightly grip the BGA

module board to prevent Cap removal, while corner features in the Cap prevent lateral movement of the

Cap while it is attached to its host BGA module.

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032800

中文翻译

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