Filter
Top Products
CY7C1354CV25
CY7C1356CV25
Document #: 38-05537 Rev. *H Page 12 of 28
TAP Timing
TAP AC Switching Characteristics
Over the Operating Range
[11, 12]
Parameter Description Min. Max. Unit
Clock
t
TCYC
TCK Clock Cycle Time 50 ns
t
TF
TCK Clock Frequency 20 MHz
t
TH
TCK Clock HIGH Time 20 ns
t
TL
TCK Clock LOW Time 20 ns
Output Times
t
TDOV
TCK Clock LOW to TDO Valid 10 ns
t
TDOX
TCK Clock LOW to TDO Invalid 0 ns
Set-up Times
t
TMSS
TMS Set-up to TCK Clock Rise 5 ns
t
TDIS
TDI Set-up to TCK Clock Rise 5 ns
t
CS
Capture Set-up to TCK Rise 5 ns
Hold Times
t
TMSH
TMS Hold after TCK Clock Rise 5 ns
t
TDIH
TDI Hold after Clock Rise 5 ns
t
CH
Capture Hold after Clock Rise 5 ns
Notes:
11. t
CS
and t
CH
refer to the set-up and hold time requirements of latching data from the boundary scan register.
12.Test conditions are specified using the load in TAP AC test Conditions. t
R
/t
F
= 1 ns.
t
TL
Test Clock
(TCK)
123456
T
est Mode Select
(TMS)
t
TH
Test Data-Out
(TDO)
t
CYC
Test Data-In
(TDI)
t
TMSH
t
TMSS
t
TDIH
t
TDIS
t
TDOX
t
TDOV
DON’T CARE UNDEFINED
[+] Feedback