Cypress CY7C1475BV33, CY7C1471BV33, CY7C1473BV33 manual TAP AC Switching Characteristics, TAP Timing

CY7C1471BV33

CY7C1473BV33, CY7C1475BV33

TAP AC Switching Characteristics

Over the Operating Range[10, 11]

Parameter	Description	Min	Max	Unit
Clock
tTCYC	TCK Clock Cycle Time	50		ns
tTF	TCK Clock Frequency		20	MHz
tTH	TCK Clock HIGH time	20		ns
tTL	TCK Clock LOW time	20		ns
Output Times
tTDOV	TCK Clock LOW to TDO Valid		5	ns
tTDOX	TCK Clock LOW to TDO Invalid	0		ns
Setup Times
tTMSS	TMS Setup to TCK Clock Rise	5		ns
tTDIS	TDI Setup to TCK Clock Rise	5		ns
tCS	Capture Setup to TCK Rise	5		ns
Hold Times
tTMSH	TMS Hold after TCK Clock Rise	5		ns
tTDIH	TDI Hold after Clock Rise	5		ns
tCH	Capture Hold after Clock Rise	5		ns

TAP Timing

Figure 3. TAP Timing

1	2
Test Clock
(TCK )			tTH
tTM SS		tTM SH

Test M ode Select (TM S)

tTDIS tTDIH

Test Data-In (TDI)

Test Data-Out (TDO)

3	4	5	6
tTL	tCY C

tTDO V

tTDOX

DON’T CA RE

UNDEFINED

Notes

10.tCS and tCH refer to the setup and hold time requirements of latching data from the boundary scan register. 11.Test conditions are specified using the load in TAP AC Test Conditions. tR/tF = 1 ns.

Document #: 001-15029 Rev. *B Page 18 of 32

[+] Feedback