Description
Pin
Symbol
1
XIN/VDD
VDD Power
2
GND
Power
3
XOUT
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
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 (-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.
- In.
SiT1421B Datasheet
