ispgdx80va Lattice Semiconductor Corp., ispgdx80va Datasheet - Page 20

• Manufacturer Part Number: ispgdx80va
• Description: In-system Programmable 3.3v Generic Digital Crosspoint
• Manufacturer: Lattice Semiconductor Corp.

Figure 13. Boundary Scan Waveforms and Timing Specifications
Boundary Scan (Continued)
Symbol
t
t
t btcl
t btsu
t bth
t rf
t btco
t btoz
t btvo
t btcpsu
t btcph
t btuco
t btuoz
t btuov
btcp
btch
Data to be
Data to be
driven out
captured
TMS
TDO
TCK
TCK [BSCAN test] clock pulse width
TCK [BSCAN test] pulse width high
TCK [BSCAN test] pulse width low
TCK [BSCAN test] setup time
TCK [BSCAN test] hold time
TCK [BSCAN test] rise and fall time
TAP controller falling edge of clock to valid output
TAP controller falling edge of clock to data output disable
TAP controller falling edge of clock to data output enable
BSCAN test Capture register setup time
BSCAN test Capture register hold time
BSCAN test Update reg, falling edge of clock to valid output
BSCAN test Update reg, falling edge of clock to output disable
BSCAN test Update reg, falling edge of clock to output enable
TDI
T
btch
T
btvo
T
T
Parameter
btuov
btcl
T
T
btcsu
btsu
Data Captured
20
Valid Data
T
T
bth
btch
Valid Data
Specifications ispGDX80VA
T
btco
T
btuco
T
btcp
Valid Data
Min
100
Valid Data
50
50
20
25
50
20
25
–
–
–
–
–
–
T
btoz
Max
T
25
25
25
50
50
50
–
–
–
–
–
–
–
–
btuoz
mV/ns
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns