link to page 5 SiT1881 PRELIMINARY Automotive Ultra-Low Power, Low Jitter 32.768 kHz Oscillator FeaturesApplications ◼ 32.768 kHz ◼ Automotive Advanced Driver Assistance Systems ◼ AEC-Q100 Grade 2 ◼ Automotive Infotainment Systems ◼ Frequency stability from ±50 ppm ◼ Automotive Smart Mirrors ◼ Contact SiTime for ±20 ppm option ◼ Industrial Applications ◼ Small Oscillator Footprint: 1.32 mm2 ▪ 1.2 x 1.1 mm QFN ◼ Ultra-low power: 490 nA typical @ fout = 32.768 kHz ◼ Supply voltage: 1.14 V to 3.63 V ◼ Operating temperature range: from -40°C to +105°C For aerospace and defense applications, SiTime ◼ Pb-free, RoHS and REACH compliant recommends using only Endura™ products.Block Diagram1.2 x 1.1 mm Package Pinout 524 2 C C C 0 CLK-0 1 6 NC GND 2 5 VDD C C NC 3 4 NC C Figure 1. SiT1881 Block DiagramFigure 2. Pin Assignments (Top view) (Refer to Table 3 for Pin Descriptions) Rev 0.8 4 October 2022 Proprietary & Confidential of SiTime