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PXB4219 Datasheet, PDF (266/290 Pages) Infineon Technologies AG – IWE8 Interworking Element for 8 E1/T1 Lines
PXB4219 / PXB4220 / PXB4221
Electrical Characteristics
Table 51 RAM Interface AC Timing Characteristics
No. Parameter
Limit Values
Min
Typ
Max
1
Delay RMCLK rising to RMADR
1
11
2
Delay RMCLK rising to RMADC
1
7
Delay RMCLK rising to RMOE
1
7
Delay RMCLK rising to RMWR
1
7
Delay RMCLK rising to RMCS
1
7
3
Setup time RMDAT before RMCLK 11
rising (all read cycles)
4
Hold time RMDAT after RMCLK rising 0
(all read cycles)
5
Delay RMCLK falling to RMDAT low 0
8
impedance (write cycle W1)
6
Delay RMCLK rising to RMDAT
6
12
(write cycles W2 to W5)
7
Delay RMCLK falling to RMDAT high 0
8
impedance (write cycle W5)
8
Delay CLOCK to RMCLK
6
12
9
TRMCLK: Period RMCLK
9A FRMCLK: Frequency RMCLK
TCLOCK
FCLOCK
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
9.6.8 Boundary-Scan Test Interface
1
TCK
23
TDI
4
5
TDO
6
TRST
Figure 72 Boundary-Scan Test Interface Timing Diagram
Data Sheet
266
2002-05-06