参数资料
型号: EPM7128ALC84-10
文件页数: 13/60页
文件大小: 1030K
代理商: EPM7128ALC84-10
20
Altera Corporation
MAX 7000A Programmable Logic Device Data Sheet
Figure 8 shows timing information for the JTAG signals.
Figure 8. MAX 7000A JTAG Waveforms
Table 8 shows the JTAG timing parameters and values for MAX 7000A
devices.
Note:
(1)
Timing parameters shown in this table apply for all specified VCCIO levels.
Table 8. JTAG Timing Parameters & Values for MAX 7000A Devices Note (1)
Symbol
Parameter
Min
Max
Unit
tJCP
TCK
clock period
100
ns
tJCH
TCK
clock high time
50
ns
tJCL
TCK
clock low time
50
ns
tJPSU
JTAG port setup time
20
ns
tJPH
JTAG port hold time
45
ns
tJPCO
JTAG port clock to output
25
ns
tJPZX
JTAG port high impedance to valid output
25
ns
tJPXZ
JTAG port valid output to high impedance
25
ns
tJSSU
Capture register setup time
20
ns
tJSH
Capture register hold time
45
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
TDO
TCK
tJPZX
t
JPCO
tJPH
t JPXZ
tJCP
tJPSU
t JCL
tJCH
TDI
TMS
Signal
to Be
Captured
Signal
to Be
Driven
t
JSZX
tJSSU
tJSH
t
JSCO
tJSXZ
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