CYRS1542AV18
CYRS1544AV18
Document Number: 001-60006 Rev. *M Page 17 of 34
TAP AC Switching Characteristics
Over the Operating Range
Parameter
[15, 16]
Description Min Max Unit
t
TCYC
TCK clock cycle time 50 – ns
t
TF
TCK clock frequency – 20 MHz
t
TH
TCK clock HIGH 20 – ns
t
TL
TCK clock LOW 20 – ns
Setup Times
t
TMSS
TMS setup to TCK clock rise 5 – ns
t
TDIS
TDI setup to TCK clock rise 5 – ns
t
CS
Capture setup 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
Output Times
t
TDOV
TCK clock LOW to TDO valid – 10 ns
t
TDOX
TCK clock LOW to TDO invalid 0 – ns
Notes
15. t
CS
and t
CH
refer to the setup and hold time requirements of latching data from the boundary scan register.
16. Test conditions are specified using the load in TAP AC Test Conditions. t
R
/t
F
= 1 ns.
