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PDF DS3802 Data sheet ( Hoja de datos )
| Número de pieza | DS3802 | |
| Descripción | Advanced NV SRAM Battery | |
| Fabricantes | Dallas Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DS3802 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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FEATURES
§ Houses 380mAh primary lithium batteries
§ Snaps directly onto a surface-mounted 40mm
ball-grid array (BGA) nonvolatile (NV)
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
§ Two attachment flanges latch onto host BGA
module to provide a strong, semipermanent
attachment
§ Industrial temperature range of -40°C to
+85°C
ABSOLUTE MAXIMUM RATINGS
Operating Temperature
-10°C to +85°C
Nonoperating Temperature -40°C to +85°C
BATTERY CHARACTERISTICS
Nominal Voltage 3V
Nominal Capacity 380mAh
Chemistry
Li(CF)X
Data Retention Life 8 Years (+25°C)
DS3802
Advanced NV SRAM Battery
PACKAGE OUTLINE
DALLAS
Semiconductor
DS3802
BATTERY CAP
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DO NOT WASH
Top View
Side View
Bottom View
DESCRIPTION
The DS3802 battery cap is a snap-on lithium power source for Dallas Semiconductor’s 40mm BGA NV
SRAM modules including the DS3832C-311 and DS3816C-511. After a host BGA module has been
soldered in place and cleaned, the DS3802 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 DS3802 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, two flanges on the DS3802
tightly grip the BGA module board to prevent accidental 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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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet DS3802.PDF ] | |
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