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ON Semiconductor
NB6L295
STMicroelectronics
TIMEKEEPER® SNAPHAT®
 
Cirrus Logic Inc.
2 Bit
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TIMEKEEPER® SNAPHAT®

Battery and Crystal

STMicroelectronics

Provides battery backup power for non-volatile TIMEKEEPER® and supervisor devices in the 28- or 44-pin SNAPHAT® SOIC package.

Datasheets:
Product Description

The SNAPHAT® top contains both the battery and crystal and is designed to be "snapped on" after the SOIC is surface mounted on the PC board. Thus the two piece solution prevents the battery and crystal from being exposed to the high temperatures of the surface mount process.

Features
  • Removable battery avoids heat associated with surface mount process
  • Snaps directly onto surface-mounted SNAPHAT SOIC
  • Keyed insertion to ensure proper assembly
  • Removable for replacement and proper disposal
Specifications
  • Battery Chemistry:Lithium
  • Capacity:48mAh ~ 120mAh
  • Frequency:32.768kHz
  • Load Capacitance:12.5pF
  • Type:Battery and Crystal
  • Voltage - Rated:2.8V
Parts

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M4T28-BR12SH1M4T28-BR12SH1SNAPHAT BATT/CRYSTAL FOR SOIC Battery and CrystalLithium48mAh2.8VRoHS
M4T32-BR12SH1M4T32-BR12SH1SNAPHAT BATT/CRYSTAL FOR SOIC Battery and CrystalLithium120mAh2.8VRoHS
M4T32-BR12SH6M4T32-BR12SH6SNAPHAT BATT/CRYSTAL FOR SOIC Battery and CrystalLithium120mAh2.8VRoHS

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Associated Product
STMicroelectronics Parallel Address
Category: Semiconductors, Development Tools-Clock, Timing-Real Time Clocks (RTC)-Parallel Address
STMicroelectronics Serial Address
Category: Semiconductors, Development Tools-Clock, Timing-Real Time Clocks (RTC)-Serial Address