Cypress CY7B991-5, CY7B992-5, CY7B991 CY7B992, Switching Characteristics, Parameter, Unit

CY7B991

CY7B992

Switching Characteristics

Over the Operating Range[2, 13] (continued)

				CY7B991–5					CY7B992–5
Parameter	Description											Unit
			Min		Typ	Max		Min		Typ	Max
fNOM	Operating Clock	FS = LOW[1, 2]	15			30		15			30	MHz
	Frequency in MHz
		FS = MID[1, 2]	25			50		25			50
		FS = HIGH[1, 2 , 3]	40			80		40			80[15]
tRPWH	REF Pulse Width HIGH		5.0					5.0				ns
tRPWL	REF Pulse Width LOW		5.0					5.0				ns
tU	Programmable Skew Unit						See Table 1
tSKEWPR	Zero Output Matched-Pair Skew				0.1	0.25				0.1	0.25	ns
	(XQ0, XQ1)[16, 17]
tSKEW0	Zero Output Skew (All Outputs)[16, 18]				0.25	0.5				0.25	0.5	ns
tSKEW1	Output Skew (Rise-Rise, Fall-Fall, Same				0.6	0.7				0.6	0.7	ns
	Class Outputs)[16, 19]
tSKEW2	Output Skew (Rise-Fall, Nominal-Inverted,				0.5	1.0				0.6	1.5	ns
	Divided-Divided)[16, 19]
tSKEW3	Output Skew (Rise-Rise, Fall-Fall, Different				0.5	0.7				0.5	0.7	ns
	Class Outputs)[16, 19]
tSKEW4	Output Skew (Rise-Fall, Nominal-Divided,				0.5	1.0				0.6	1.7	ns
	Divided-Inverted)[16, 19]
tDEV	Device-to-Device Skew[14, 21]					1.25					1.25	ns
tPD	Propagation Delay, REF Rise to FB Rise		–0.5		0.0	+0.5		–0.5		0.0	+0.5	ns
tODCV	Output Duty Cycle Variation[22]		–1.0		0.0	+1.0		–1.2		0.0	+1.2	ns
tPWH	Output HIGH Time Deviation from 50%[23, 24]					2.5					4.0	ns
tPWL	Output LOW Time Deviation from 50%[23, 24]					3					4.0	ns
tORISE	Output Rise Time[23, 25]		0.15		1.0	1.5		0.5		2.0	3.5	ns
tOFALL	Output Fall Time[23, 25]		0.15		1.0	1.5		0.5		2.0	3.5	ns
tLOCK	PLL Lock Time[26]					0.5					0.5	ms
tJR	Cycle-to-Cycle Output	RMS[14]				25					25	ps
	Jitter
		Peak-to-Peak[14]				200					200	ps

Document Number: 38-07138 Rev. *B Page 9 of 19

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