Datasheet

56F8323 Technical Data, Rev. 17

116 Freescale Semiconductor

Preliminary

Note: An LSB change in the tuning code results in an 82ps shift in the frequency period, while an MSB change in the

tuning code results in a 41ns shift in the frequency period.

Resonator Min-Max Period Variation T

——300ps

Bias Current, high-drive mode I

BIASH

—250290μA

Bias Current, low-drive mode I

BIASL

—80110μA

Quiescent Current, power-down mode I

—0 1 μA

Table 10-16 Relaxation Oscillator Parameters

Characteristic Min Typ Max Units

Center Frequency — 8 — MHz

Minimum Tuning Step Size

(See Note)

—82—ps

Maximum Tuning Step Size

(See Note)

—41—ns

Frequency Accuracy

-50°C to +150°C

(See Figure 10-4)

— +/- 1.78 +2 /-3 %

Maximum Cycle-to-Cycle

Jitter

——500ps

Stabilization Time from Power-up — — 4 μs

Table 10-15 Crystal Oscillator Parameters (Continued)

Characteristic Symbol Min Typ Max Unit