Cypress CY8C20x66, CY8C20x46 manual AC Comparator Specifications, AC Analog Mux Bus Specifications

CY8C20x36/46/66, CY8C20396

Figure 11. GPIO Timing Diagram

90%
GPIO Pin
Output
Voltage
10%
TRise23	TFall
TRise01	TFallL

TRise23L

TRise01L

Table 25.AC Characteristics – USB Data Timings

Symbol	Description	Conditions	Min	Typ	Max	Units
Tdrate	Full speed data rate	Average bit rate	12–0.25%	12	12 + 0.25%	MHz
Tdjr1	Receiver data jitter tolerance	To next transition	-18.5	–	18.5	ns
Tdjr2	Receiver data jitter tolerance	To pair transition	-9	–	9	ns
Tudj1	Driver differential jitter	To next transition	-3.5	–	3.5	ns
Tudj2	Driver differential jitter	To pair transition	-4.0	–	4.0	ns
Tfdeop	Source jitter for differential	To SE0 transition	-2	–	5	ns
	transition
Tfeopt	Source SE0 interval of EOP		160	–	175	ns
Tfeopr	Receiver SE0 interval of EOP		82	–		ns
Tfst	Width of SE0 interval during			–	14	ns
	differential transition
Table 26.AC Characteristics – USB Driver
Symbol	Description	Conditions	Min	Typ	Max	Units
Tr	Transition rise time	50 pF	4	–	20	ns
Tf	Transition fall time	50 pF	4	–	20	ns
TR	Rise/fall time matching		90.00	–	111.1	%
Vcrs	Output signal crossover voltage		1.3	–	2.0	V

AC Comparator Specifications

The following table lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.

Table 27. AC Low Power Comparator Specifications

Symbol	Description	Conditions	Min	Typ	Max	Units
TLPC	Comparator Response Time, 50	50 mV overdrive does not include			100	ns
	mV Overdrive	offset voltage.

AC Analog Mux Bus Specifications

The following table lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.

Table 28. AC Analog Mux Bus Specifications

Symbol	Description	Conditions	Min	Typ	Max	Units
FSW	Switch Rate	Maximum pin voltage when measuring	–	–	6.3	MHz
		switch rate is 1.8Vp-p
Document Number: 001-12696 Rev. *D					Page 23 of 34

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