CDB4923 查看數據表（PDF） - Cirrus Logic

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CDB4923

Multi-Channel Digital Audio Decoders

Cirrus Logic 

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

CLKIN period for internal DSP clock mode

Tclki

20

CLKIN high time for internal DSP clock mode

Tclkih

8

CLKIN low time for internal DSP clock mode

Tclkil

8

CLKIN period for external DSP clock mode

Tclke

20

CLKIN high time for external DSP clock mode

Tclkeh

9

CLKIN low time for external DSP clock mode

Tclkel

9

Max

Unit

3800

ns

ns

ns

25

ns

ns

ns

CLKIN

Tclkih

Tclki

Tclkil

Figure 3. CLKIN with CLKSEL = VSS = PLL Enable

CLKIN

Tclkeh

Tclkel

Tclke

Figure 4. CLKIN with CLKSEL = VD = PLL Bypass

DS262F2

7

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