Datasheet

SCANSTA111
SNLS060K –AUGUST 2001–REVISED APRIL 2013 www.ti.com
AC ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating supply voltage and temperature ranges unless otherwise specified.
Symbol Parameter Conditions Typ Max Units
t
PZL19
, Enable Time OE to TDO
(0-2)
8.5 12.0
ns
t
PZH19
t
PLZ19
, Disable Time OE to TDO
(0-2)
7.5 12.0
ns
t
PHZ19
t
PHL20
, Propagation Delay OE to TRIST
(0-2)
8.0 13.0
ns
t
PLH20
t
PZL21
, Enable Time OE to TCK
(0-2)
7.5 11.0
ns
t
PZH21
t
PLZ21
, Disable Time OE to TCK
(0-2)
6.5 10.0
ns
t
PHZ21
AC ELECTRICAL CHARACTERISTICS
Over recommended operating supply voltage and temperature ranges unless otherwise specified.
Symbol Parameter Conditions Min Units
t
S
Setup Time, TMS
B
to TCK
B
↑ 2.0 ns
t
H
Hold Time, TMS
B
to TCK
B
↑ 1.0 ns
t
S
Setup Time, TDI
B
to TCK
B
↑ 2.0 ns
t
H
Hold Time, TDI
B
to TCK
B
↑ 1.0 ns
t
S
Setup Time, TDI
(0-2)
to TCK
B
↑ 1.5 ns
t
H
Hold Time, TDI
(0-2)
to TCK
B
↑ 1.5 ns
t
W
Clock Pulse Width, TCK
B
(H or L) 10.0 ns
t
WL
Reset Pulse Width, TRST
B
(L) 2.5 ns
t
REC
Recovery Time, TCK
B
↑ from TRST
B
2.0 ns
F
MAX
Maximum Clock Frequency 25.0 MHz
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