The SNAPHAT® top is a detachable lithium power source for ST’s serial real-time clock and non-volatile TIMEKEEPER® surface-mount SOIC package. 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 SNAPHAT temperatures of the surface-mount process.

Provides battery backup power for serial realtime clock, non-volatile TIMEKEEPER® and supervisor devices in the 28- or 44-pin SNAPHAT® SOIC package
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
Pb-free package

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