PXB4219E Datasheet, PDF (267/290 Pages) Infineon Technologies AG – Interworking Element for 8 E1/T1 Lines

IWE8, V3.4
PXB 4219E, PXB 4220E, PXB 4221E
Electrical Characteristics
9.6.8 Boundary-Scan Test Interface
1
TCK
23
TDI
4
5
TDO
6
TRST
Btitd
Figure 72 Boundary-Scan Test Interface Timing Diagram
Table 52 Boundary-Scan Test Interface AC Timing Characteristics
No. Parameter
Limit Values
Min
Typ
Max
1
T_TCK: Period TCK
160
1A F_TCK: Frequency TCK
6,25
2
Setup time TMS, TDI before TCK rising 10
3
Hold time TMS, TDI after TCK rising 10
4
Delay TCK falling to TDO valid
0
30
5
Delay TCK falling to TDO high
0
30
impedance
6
Pulse width TRST low
2 x T_TCK
Unit
ns
MHz
ns
ns
ns
ns
ns
Data Sheet
267
2003-01-20