CY7C1471V25
CY7C1473V25
CY7C1475V25
Document #: 38-05287 Rev. *I
Page 16 of 32
TAP AC Switching Characteristics
Over the Operating Range
[10, 11]
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
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
Notes
10.t
CS
and t
CH
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. t
R
/t
F
= 1 ns.
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