AMD SC1200, SC1201 manual 42. AC97 Signal Rise and Fall Timing Parameters

32579BElectrical Specifications

Table 9-42. AC97 Signal Rise and Fall Timing Parameters

Symbol	Parameter	Min	Typ	Max	Unit	Comments
triseCLK	BIT_CLK rise time	2		6	ns
tfallCLK	BIT_CLK fall time	2		6	ns
triseSYNC	SYNC rise time	2		6	ns	CL = 50 pF
tfallSYNC	SYNC fall time	2		6	ns	CL = 50 pF
triseDIN	SDATA_IN rise time	2		6	ns
tfallDIN	SDATA_IN fall time	2		6	ns
triseDOUT	SDATA_OUT rise time	2		6	ns	CL = 50 pF
tfallDOUT	SDATA_OUT fall time	2		6	ns	CL = 50 pF

			90%
BIT_CLK
				10%
	triseCLK	tfallCLK
			90%
SYNC
				10%
	triseSYNC	tfallSYNC
			90%
SDATA_IN				10%

triseDINtfallDIN

	90%
SDATA_OUT
		10%

triseDOUTtfallDOUT

Figure 9-52. AC97 Rise and Fall Timing Diagram

430 AMD Geode™ SC1200/SC1201 Processor Data Book