SiT1544 - SiTime

SiT1544 Programmable Oscillator

SiT1544 Preliminary Smallest Footprint (1.2mm2), Ultra-Low Power 1 Hz - 32.768 kHz Programmable Oscillator for Li+ Unregulated Battery Powered Applications TThhee SSmmaarrtt TTiimmiinngg CChhooiiccee Features  Factory programmable from 32.768 kHz down to 1 Hz  Supply voltage optimized for Li+ battery voltage: 2.7V to 4.3V  Smallest footprint in chi.

Features

 Factory programmable from 32.768 kHz down to 1 Hz
 Supply voltage optimized for Li+ battery voltage: 2.7V to 4.3V
 Smallest footprint in chip-scale (CSP): 1.5 x 0.8 mm
 Pin-compatible 2.0 x 1.2 mm XTAL SMD package
 Ultra-low power: 750 nA (typ)
 Oscillator output eliminates external load caps
 NanoDrive™ programmable output swing for lowest power
 Internal filtering eliminates external Vdd bypass cap
 <20 PPM initial stability
 <100 PPM stability over -40°C to +85°C
 Pb-free, RoHS and REACH compliant Applications
 Wireless Mouse or Trackball
 Wireless Keypads
 Pulse-per-Second .