CS4923/4/5/6/7/8/9
SWITCHING CHARACTERISTICS—CLKIN
(TA = 25 °C; VA, VD = 3.3 V ±5%; Inputs: Logic 0 = DGND, Logic 1 = VD, CL = 20 pF)
Parameter
Symbol
Min
Max
Unit
CLKIN period for internal DSP clock mode
Tclki
20
3800
ns
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
Tclkih
Tclkil
8
8
ns
ns
ns
ns
ns
Tclke
Tclkeh
Tclkel
20
9
25
9
CLKIN
Tclkih
Tclkil
Tclki
Figure 3. CLKIN with CLKSEL = VSS = PLL Enable
CLKIN
Tclkeh
Tclkel
Tclke
Figure 4. CLKIN with CLKSEL = VD = PLL Bypass
DS262F2
7
CIRRUS [ CIRRUS LOGIC ]
