PXB4219 Datasheet, PDF (265/290 Pages) Infineon Technologies AG – IWE8 Interworking Element for 8 E1/T1 Lines

PXB4219 / PXB4220 / PXB4221
Electrical Characteristics
Table 50 Motorola Mode AC Timing Characteristics (cont’d)
No. Parameter
Limit Values
Unit
Min
Typ
Max
12 Delay MPTS low to MPDAT low
1
impedance
15
ns
13 MPDAT valid before MPTA high
5
ns
14 Delay time MPDAT after MPTS high 2
ns
15 Delay MPTS high to MPDAT high
2
impedance
17
ns
16 MPDAT valid after MPTS low
17 Hold time MPDAT after MPTS high 5
2 x T_clock ns
ns
9.6.7 RAM Interface
CLOCK
Basic 12 RMCLK cycle
89
RMCLK
RMADR
RMADC
RMOE
RMDAT
1
AR1 AR2 AR3 AR4 AR5 AR6
2
2
34
R
R
R
R
R
1
2
3
4
5
AW1 AW2 AW3 AW4 AW5 AR1
2
5
6
7
R
6
W1
W2
W3
W4
W5
RMWR
RMCS
2
2
2
2
Figure 71 RAM Interface Timing Diagram
Data Sheet
265
2002-05-06