PXF4336 Datasheet, PDF (418/425 Pages) Infineon Technologies AG – ABM Premium ATM Buf fer Manager

8.4.9 Queue Congestion Interface (QCI)
ABM-P
PXF 4336 V1.1
Electrical Characteristics
Q C IC L K
250
251
252
QCITXFRAM E
Q C IT X D A T
Figure 8-13 QCI Interface Timing Diagram
253 254
255
256
Table 8-18 QCI Interface AC Timing Characteristics
No. Parameter
Limit Values
Min
Typ
Max
250 T_QCICLK: Period QCICLK
15.15
250A F_QCICLK: Frequency QCICLK
60
251 QCICLK low time
7
252 QCICLK high time
7
253 Setup time QCITXFRAME before
4
QCICLK rising
254 Hold time QCITXFRAME after
4
QCICLK rising
255 Setup time QCITXDAT before
4
QCICLK rising
256 Hold time QCITXDAT after
3
QCICLK rising
Unit
ns
MHz
ns
ns
ns
ns
ns
ns
Data Sheet
418
2001-12-17