SiT2021B
SiT2021B is One-Output Clock Generator manufactured by SiTime.
Features
Applications
- Frequencies between 119.342001 MHz to 137 MHz accurate to 6 decimal places
- Operating temperature from -55°C to 125°C
- Supply voltage of 1.8 V or 2.5 V to 3.3 V
- Excellent total frequency stability as low as ±20 ppm
- Low power consumption of 4.9 m A typical at 1.8 V
- LVCMOS/LVTTL patible output
- 5-pin SOT23-5 package: 2.9 mm x 2.8 mm
- Ro HS and REACH pliant, Pb-free, Halogen-free and Antimony-free
- Ruggedized equipment in harsh operating environment
Related products for automotive applications. For aerospace and defense applications Si Time remends using only Endura™ Si T2045.
Electrical Specifications
All Min and Max limits are specified over temperature and rated operating voltage with 15 p F output load unless otherwise stated. Typical values are at 25°C and nominal supply voltage.
Table 1. Electrical Characteristics
Parameters Output Frequency Range Frequency Stability
Operating Temperature Range Supply Voltage
Current Consumption OE Disable Current Standby Current
Duty Cycle Rise/Fall Time Output High Voltage Output Low Voltage
Symbol f
F_stab
T_use Vdd
Idd I_od I_std
DC Tr, Tf VOH VOL
Min.
Typ.
Max.
Unit
Condition
Frequency Range
- 137
MHz Refer to Table 14 for the exact list of supported frequencies
Frequency Stability and Aging
-20
- +20 ppm Inclusive of Initial tolerance at 25°C, 1st year aging at 25°C,
-25
- +25 ppm and variations over operating temperature, rated power supply voltage and load (15 p F ± 10%).
-30
- +30...
