438 AMD Geodeā„¢ SC2200 Processor Data Book
Electrical Specifications
32580B
9.3.16 JTAG InterfaceFigure 9-57. TCK Measurement Points and Timing DiagramTable 9-46. JTAG Timing Parameters
Symbol Parameter Min Max Unit Comments
TCK frequency 25 MHz
t1TCK period 40 ns
t2TCK high time 10 ns
t3TCK low time 10 ns
t4TCK rise time 4 ns
t5TCK fall time 4 ns
t6TDO valid delay 3 25 ns
t7Non-test outputs valid delay 3 25 ns 50 pF load
t8TDO float delay 30 ns
t9Non-test outputs float delay 36 ns
t10 TDI, TMS setup time 8 ns
t11 Non-test inputs setup time 8 ns
t12 TDI, TMS hold time 7 ns
t13 Non-test inputs hold time 7 ns
VIH(Min)
VIL(Max)
1.5V
TCK
t1
t3t5
t2
t4