ProASIC3 DC and Switching Characteristics
2-108 Revision 13
JTAG 1532 Characteristics
JTAG timing delays do not include JTAG I/Os. To obtain complete JTAG timing, add I/O buffer delays to
the corresponding standard selected; refer to the I/O timing characteristics in the "User I/O
Characteristics" section on page 2-14 for more details.
Timing Characteristics
Table 2-125 • JTAG 1532
Commercial-Case Conditions: T
J
= 70°C, Worst-Case VCC = 1.425 V
Parameter Description –2 –1 Std. Units
t
DISU
Test Data Input Setup Time 0.50 0.57 0.67 ns
t
DIHD
Test Data Input Hold Time 1.00 1.13 1.33 ns
t
TMSSU
Test Mode Select Setup Time 0.50 0.57 0.67 ns
t
TMDHD
Test Mode Select Hold Time 1.00 1.13 1.33 ns
t
TCK2Q
Clock to Q (data out) 6.00 6.80 8.00 ns
t
RSTB2Q
Reset to Q (data out) 20.00 22.67 26.67 ns
F
TCKMAX
TCK Maximum Frequency 25.00 22.00 19.00 MHz
t
TRSTREM
ResetB Removal Time 0.00 0.00 0.00 ns
t
TRSTREC
ResetB Recovery Time 0.20 0.23 0.27 ns
t
TRSTMPW
ResetB Minimum Pulse TBD TBD TBD ns
Note: For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-6 for
derating values.