EPM3256A ALTERA [Altera Corporation], EPM3256A Datasheet - Page 15

• Manufacturer Part Number: EPM3256A
• Description: Programmable Logic Device Family
• Manufacturer: ALTERA [Altera Corporation]

Altera Corporation
Figure 7
Figure 7. MAX 3000A JTAG Waveforms
Table 7
devices.
Captured
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
JCP
JCH
JCL
JPSU
JPH
JPCO
JPZX
JPXZ
JSSU
JSH
JSCO
JSZX
JSXZ
Table 7. JTAG Timing Parameters & Values for MAX 3000A Devices
Driven
Signal
Signal
to Be
to Be
TMS
TDO
TCK
TDI
shows the JTAG timing parameters and values for MAX 3000A
shows the timing information for the JTAG signals.
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
t
JCH
MAX 3000A Programmable Logic Device Family Data Sheet
t
t
JPZX
JSZX
t
JCP
t
JSSU
t
JCL
Parameter
t
JSH
t
t
JPCO
JSCO
t
JPSU
t
t
JSXZ
JPH
Min
100
50
50
20
45
20
45
t
Max
JPXZ
25
25
25
25
25
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
15