February 2007
rev 0.2
ASM3P2111B
Typical Crystal Oscillator Circuit
R1 = 510ꢀ
Crystal
C1 =18 pF
C2 = 18 pF
Typical Crystal Specifications
Fundamental AT cut parallel resonant crystal
Nominal frequency
25MHz
Frequency tolerance
Operating temperature range
Storage temperature
Load capacitance
Shunt capacitance
ESR
± 50 ppm or better at 25°C
-25°C to +85°C
-40°C to +85°C
18pF
7pF maximum
25Ω
Peak Reducing EMI Solution
5 of 8
Notice: The information in this document is subject to change without notice.