PXB4219E Datasheet, PDF (265/290 Pages) Infineon Technologies AG – Interworking Element for 8 E1/T1 Lines

IWE8, V3.4
PXB 4219E, PXB 4220E, PXB 4221E
Electrical Characteristics
Table 50 Motorola Mode AC Timing Characteristics (cont’d)
No. Parameter
Limit Values
Unit
Min
Typ
Max
11 Delay MPCS high to MPTA high
5
impedance
15
ns
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
2
RMWR
2
RMCS
Figure 71 RAM Interface Timing Diagram
2
2
ritd
Data Sheet
265
2003-01-20