Datasheet

Table 23-14. JTAG Characteristics (continued)
UnitMaxNomMinParameter NameParameterParameter
No.
ns--20TMS setup time to TCK riset
TMS_SU
J7
ns--20TMS hold time from TCK riset
TMS_HLD
J8
ns--25TDI setup time to TCK riset
TDI_SU
J9
ns--25TDI hold time from TCK riset
TDI_HLD
J10
ns3523
-
2-mA drive
TCK fall to Data
Valid from High-Z
J11
t
TDO_ZDV
ns26154-mA drive
ns25148-mA drive
ns29188-mA drive with slew rate control
ns3521
-
2-mA drive
TCK fall to Data
Valid from Data
Valid
J12
t
TDO_DV
ns25144-mA drive
ns24138-mA drive
ns28188-mA drive with slew rate control
ns119
-
2-mA drive
TCK fall to High-Z
from Data Valid
J13
t
TDO_DVZ
ns974-mA drive
ns868-mA drive
ns978-mA drive with slew rate control
ns--100TRST assertion timet
TRST
J14
ns--10TRST setup time to TCK riset
TRST_SU
J15
Figure 23-2. JTAG Test Clock Input Timing
TCK
J6 J5
J3 J4
J2
June 18, 2012754
Texas Instruments-Production Data
Electrical Characteristics
NRND: Not recommended for new designs.