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S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X ELECTRICAL DATA
17-11
Table 17-10. Main Oscillation Stabilization Time
(T
A
= − 25
°
C to + 85
°
C, V
DD
= 2.0 V to 3.6 V)
Oscillator Test Condition Min Typ Max Unit
Crystal fx > 1 MHz
− −
40 ms
Ceramic
Oscillation stabilization occurs when V
DD
is
equal to the minimum oscillator voltage
range.
− −
10 ms
External clock
X
IN
input high and low width (t
XH
, t
XL
)
62.5
−
1250 ns
t
X
t
XL
V
DD
-0.1 V
0.1 V
X
IN
1/fx
Figure 17-7. Clock Timing Measurement at X
IN