CS4923/4/5/6/7/8/9
SWITCHING CHARACTERISTICS鈥擟LKIN
(T
A
= 25
掳C;
VA, VD = 3.3 V
卤5%;
Inputs: Logic 0 = DGND, Logic 1 = VD, C
L
= 20 pF)
Parameter
CLKIN period for internal DSP clock mode
CLKIN high time for internal DSP clock mode
CLKIN low time for internal DSP clock mode
CLKIN period for external DSP clock mode
CLKIN high time for external DSP clock mode
CLKIN low time for external DSP clock mode
Symbol
T
clki
T
clkih
T
clkil
T
clke
T
clkeh
T
clkel
Min
20
8
8
20
9
9
25
Max
3800
Unit
ns
ns
ns
ns
ns
ns
CLKIN
T
clkih
T
clki
Figure 3. CLKIN with CLKSEL = VSS = PLL Enable
T
clkil
CLKIN
T
clkeh
T
clke
Figure 4. CLKIN with CLKSEL = VD = PLL Bypass
T
clkel
DS262F2
7