ISPGDX240VA-9B388I Lattice Semiconductor, ISPGDX240VA-9B388I Datasheet - Page 21

• Manufacturer Part Number: ISPGDX240VA-9B388I
• Description: In-System Programmable 3.3V Generic Digital CrosspointTM
• Manufacturer: Lattice Semiconductor

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
TDI
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
T
btch
T
btvo
T
T
btuov
btcl
T
T
btcsu
Parameter
btsu
Data Captured
Valid Data
21
T
T
bth
btch
Valid Data
Specifications ispGDX240VA
T
btco
T
btuco
T
btcp
Valid Data
Valid Data
Min
100
50
50
20
25
50
20
25
–
–
–
–
–
–
T
btoz
T
Max
btuoz
25
25
25
50
50
50
–
–
–
–
–
–
–
–
mV/ns
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns