35.10.3 XOSCHF

Table 35-12. High Frequency Crystal Oscillator (XOSCHF) Specifications
Symbol Description Min. Typ. ✝ Max. Unit Conditions
fXOSCHF Frequency 4 — 8 MHz HS oscillator mode
8 — 20 MHz HS oscillator mode, VDD = 2.5 - 5.5V
CXTALHF1/XTALHF2* Parasitic pin capacitance — 5 — pF
CL* Crystal load capacitance — 12 — pF fXOSCHF ≥ 4 MHz
ESR* Equivalent Series Resistance — 200 — Ω XTALHF = 4 MHz
— 100 — Ω XTALHF = 8 MHz
— 80 — Ω XTALHF = 12 MHz
— 50 — Ω XTALHF = 20 MHz
tXOSCHF_ST* XOSCHF start-up time — — — ms

✝ Data in the “Typ.” column is at TA = 25°C and VDD = 3.0V unless otherwise specified. These parameters are not tested and are for design guidance only.

* These parameters are characterized but not tested in production.