SiT1421B Datasheet | SiTime

Features - No load capacitors required - No motional series resistance (ESR) pensation - 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 (-55°C to 125°C) - Fundamental frequencies between 119.342001 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 m A typical at 1.8 V - LVCMOS patible output - Industry-standard packages: 2.5 x 2.0, 3.2 x 2.5 mm x mm - Ro HS and REACH pliant, Pb-free, Halogen-free and Antimony-free Conditions for Drop-In-Replacement - Si T1421 is designed to work with non-wireless MCUs except for BLE which is supported - Si T1421 is footprint patible to 4-pad SMD Xtal resonators with electrically grounded pin 2 and 4 - MCU/µC supports external oscillator mode - MCU/µC supports GPIO output function on XTAL1 pin (Figure 18) and able to drive ~6 m A across 1.8 V to 3.3 V VDD continuous voltage Applications - Ruggedized equipment in harsh operating environment Electrical Characteristics Table 1. Electrical Characteristics[1,2] All Min and Max limits are specified over temperature and rated operating voltage with 15 p F output load unless otherwise sta ted. Typical values are at 25°C and nominal supply voltage. Parameters Symbol Min. Typ. Max. Unit Condition Output Frequency Range Frequency Range f - 137 MHz Refer to Table 3 for a list of supported frequencies Frequency Stability F_stab...