Visible to Intel only — GUID: fee1519719837351
Ixiasoft
Single-Ended I/O Standard Specifications
Single-Ended SSTL and HSTL I/O Reference Voltage Specifications
Single-Ended SSTL and HSTL I/O Standards Signal Specifications
Differential SSTL I/O Standard Specifications
Differential HSTL I/O Standard Specifications
Differential I/O Standard Specifications
Visible to Intel only — GUID: fee1519719837351
Ixiasoft
JTAG Timing Parameters
Symbol | Parameter | Min | Max | Unit |
---|---|---|---|---|
tJCP | TCK clock period | 40 | — | ns |
tJCH | TCK clock high time | 19 | — | ns |
tJCL | TCK clock low time | 19 | — | ns |
tJPSU_TDI | JTAG port setup time for TDI | 1 | — | ns |
tJPSU_TMS | JTAG port setup time for TMS | 3 | — | ns |
tJPH | JTAG port hold time | 10 | — | ns |
tJPCO | JTAG port clock to output 47 | — | 15 | ns |
tJPZX | JTAG port high impedance to valid output 47 | — | 15 | ns |
tJPXZ | JTAG port valid output to high impedance 47 | — | 15 | ns |
tJSSU | Capture register setup time | 5 | — | ns |
tJSH | Capture register hold time | 10 | — | ns |
tJSCO | Update register clock to output | — | 25 | ns |
tJSZX | Update register high impedance to valid output | — | 25 | ns |
tJSXZ | Update register valid output to high impedance | — | 25 | ns |
47 The specification is shown for 3.3-, 3.0-, and 2.5-V LVTTL/LVCMOS operation of JTAG pins. For 1.8-V LVTTL/LVCMOS and 1.5-V LVCMOS, the output time specification is 16 ns.