Samsung C8274X User Manual

Page of 324
ELECTRICAL DATA 
 
 
S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X 
17-12 
 
Table 17-11. Sub 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 – 
− 
− 
10 s 
External clock 
XT
IN
 input high and low width (t
XH
, t
XL
− 
15 
µs 
 
t
XTH
t
XTL
V
DD
-0.1 V
0.1 V
XT
IN
1/fxt
 
Figure 17-8. Clock Timing Measurement at XT
IN