Cypress manual Switching Characteristics, Industrial, Output Period Clock output range CY2291I

							CY2291
Switching Characteristics, Industrial 5.0V
Parameter	Name		Description		Min.	Typ.	Max.	Unit
t1	Output Period	Clock output range,		CY2291I	11.1		13000	ns
		5V operation			(90 MHz)		(76.923 kHz)
				CY2291FI	12.5		13000	ns
					(80 MHz)		(76.923 kHz)
	Output Duty	Duty cycle for outputs, defined		as t2 ⎟ t1[12]	40%	50%	60%
	Cycle[11]	fOUT > 66 MHZ
		Duty cycle for outputs, defined as t2 ⎟ t1[12]			45%	50%	55%
		fOUT < 66 MHZ
t3	Rise Time	Output clock rise time[13]				3	5	ns
t4	Fall Time	Output clock fall time[13]				2.5	4	ns
t5	Output Disable	Time for output to enter three-state mode after				10	15	ns
	Time	SHUTDOWN/OE goes LOW
t6	Output Enable	Time for output to leave three-state mode after				10	15	ns
	Time	SHUTDOWN/OE goes HIGH
t7	Skew	Skew delay between any identical or related outputs[3,				< 0.25	0.5	ns
		12, 15]
t8	CPUCLK Slew	Frequency transition rate			1.0		20.0	MHz/m
								s
t9A	Clock Jitter[14]	Peak-to-peak period jitter (t9A Max. – t9A min.),% of				<0.5	1	%
		clock period (fOUT < 4 MHz)
t9B	Clock Jitter[14]	Peak-to-peak period jitter (t9B Max. – t9B min.) (4 MHz				<0.7	1	ns
		< fOUT < 16 MHz)
t9C	Clock Jitter[14]	Peak-to-peak period jitter				<400	500	ps
		(16 MHz < fOUT < 50 MHz)
t9D	Clock Jitter[14]	Peak-to-peak period jitter				<250	350	ps
		(fOUT > 50 MHz)
t10A	Lock Time for	Lock Time from Power Up				<25	50	ms
	CPLL
t10B	Lock Time for	Lock Time from Power Up				<0.25	1	ms
	UPLL and SPLL
	Slew Limits	CPU PLL Slew Limits		CY2291I	8		90	MHz
				CY2291FI	8		80	MHz
Switching Characteristics, Industrial 3.3V
Parameter	Name		Description		Min.	Typ.	Max.	Unit
t1	Output Period	Clock output range, 3.3V		CY2291I	15		13000	ns
		operation			(66.6 MHz)		(76.923 kHz)
				CY2291FI	16.66		13000	ns
					(60 MHz)		(76.923 kHz)
	Output Duty	Duty cycle for outputs, defined		as t2 ⎟ t1[12]	40%	50%	60%
	Cycle[11]	fOUT > 66 MHZ
		Duty cycle for outputs, defined as t2 ⎟ t1[12]			45%	50%	55%
		fOUT < 66 MHZ
t3	Rise Time	Output clock rise time[13]				3	5	ns
t4	Fall Time	Output clock fall time[13]				2.5	4	ns
t5	Output Disable	Time for output to enter three-state mode after				10	15	ns
	Time	SHUTDOWN/OE goes LOW
Document #: 38-07189 Rev. *C							Page 8 of 12

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