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EPC1064V Datasheet, PDF (29/36 Pages) List of Unclassifed Manufacturers – Configuration Devices for SRAM-Based LUT Devices
Operating
Conditions
Configuration Devices for SRAM-Based LUT Devices Data Sheet
Figure 10. EPC2 JTAG Waveforms
TMS
TDI
TCK
TDO
Signal
to Be
Captured
Signal
to Be
Driven
tJCH
tJCP
tJCL
tJPSU
tJPZX
tJSSU
tJSZX
tJPCO
tJSH
tJSCO
tJPH
tJPXZ
tJSXZ
Table 11 shows the timing parameters and values for configuration
devices.
Table 11. JTAG Timing Parameters & Values
Symbol
Parameter
tJCP
tJCH
tJCL
tJPSU
tJPH
tJPCO
tJPZX
tJPXZ
tJSSU
tJSH
tJSCO
tJSZX
tJSXZ
TCK clock period
TCK clock high time
TCK clock low time
JTAG port setup time
JTAG port hold time
JTAG port clock to output
JTAG port high impedance to valid output
JTAG port valid output to high impedance
Capture register setup time
Capture register hold time
Update register clock to output
Update register high-impedance to valid output
Update register valid output to high impedance
Min Max Unit
100
ns
50
ns
50
ns
20
ns
45
ns
25 ns
25 ns
25 ns
20
ns
45
ns
25 ns
25 ns
25 ns
Tables 12 through 19 provide information on absolute maximum ratings,
recommended operating conditions, DC operating conditions, and
capacitance for configuration devices.
Altera Corporation
29