PXB4220E Infineon Technologies AG, PXB4220E Datasheet - Page 260

• Manufacturer Part Number: PXB4220E
• Description: Interworking Element for 8 E1/T1 Lines
• Manufacturer: Infineon Technologies AG

Table 45
No.
tT7
tT8
tT9
tT10
tT11
tT12
1)
9.6.4
At the IMA interface the IWE8 operates in cycles of 12 system clocks. ATBTC can
become active during cycle #3, the UNCHEC can become active during cycle #9. The
Port number is always active for 6 cycles.
Figure 66
Data Sheet
The frequency should be equal or smaller than the coreclock CLOCK
Signal Name DIR Description
RXDAT[7:0],
RXPTY,
RXSOC,
RXCLAV
IMA Interface
Receive Timing (8-Bit Data Bus, 33 MHz, Multi-PHY) (cont’d)
Timing of the IMA Interface
A<P Input setup to RXCLK
Input hold from RXCLK
Signal going low impedance
to RXCLK
Signal going high impedance
to RXCLK
Signal going low impedance
from RXCLK
Signal going high impedance
from RXCLK
C LO C K
A TB T C
U N C H E C
P N 0..2
260
PXB 4219E, PXB 4220E, PXB 4221E
1
2
3
Min
8
1
8
0
1
1
Electrical Characteristics
Limit Values
Max
-
-
-
-
-
-
IWE8, V3.4
2003-01-20
Unit
ns
ns
ns
ns
ns
ns
Totii