SiT1419B - SiTime

SiT1419B Active Resonator Drop-In Replacement

Pin Symbol 1 XIN/VDD VDD Power 2 GND Power 3 XOUT/CLK Output 4 GND Power Functionality Connect to µC GPIO pin XTAL1 set High via firmware[3] Electrical ground CLK output; connect to µC XTAL2 pin (refer to Figure 18 in Application Note section) Electrical GND Top View GND 4 3 XOUT/CLK XIN/VDD 1 2 GND Figure 1. Pin Assignments Notes: 3. A.

Features

◼ No load capacitors required
◼ No motional series resistance (ESR) compensation
◼ No negative resistance testing
◼ Guaranteed oscillator startup under all conditions
◼ One active resonator can drive up to two clock inputs
◼ All-inclusive frequency stability as low as ±20 ppm over extended temperature range (-40°C to 125°C). For -55°C option, refer to SiT1420 and SiT1421
◼ Fundamental frequencies between 115.194001 MHz and 137 MHz accurate to 6 decimal places
◼ Supply voltage of 1.8 V or 2.5 V to 3.3 V
◼ Industry best G-sensitivity of 0.1 ppb/g
◼ Low power consumption of 4.9 mA typical at 1.8 .