SiT1543 replacement equivalent, xtal smd replacement.
* Supply voltage optimized for Li+ battery voltage: 2.7V to 4.3V
* Pin-compatible to 2.0 x 1.2 mm (2012) XTAL SMD package(1)
* Ultra-low power: 750 nA (typ) <.
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Features
* Supply voltage optimized for Li+ battery voltage: 2.7V to.
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