Silicon Laboratories SI4734/35-B20 manual Si4734/35-B20, Dclk Dfs Dout

Si4734/35-B20

Table 8. Digital Audio Interface Characteristics (VDD = 2.7 to 5.5 V, VIO = 1.5 to 3.6 V, TA = –20 to 85 °C)

Parameter	Symbol	Test Condition	Min	Typ	Max	Unit
DCLK Cycle Time	tDCT		26	—	1000	ns
DCLK Pulse Width High	tDCH		10	—	—	ns
DCLK Pulse Width Low	tDCL		10	—	—	ns
DFS Set-up Time to DCLK Rising Edge	tSU:DFS		5	—	—	ns
DFS Hold Time from DCLK Rising Edge	tHD:DFS		5	—	—	ns
DOUT Propagation Delay from DCLK Falling	tPD:DOUT		0	—	12	ns
Edge

DCLK

DFS

DOUT

tDCH	tDCL
	tDCT
	tPD:OUT

tHD:DFS

tSU:DFS

Figure 8. Digital Audio Interface Timing Parameters, I2S Mode

Rev. 1.0 11