PXB4221 Infineon Technologies AG, PXB4221 Datasheet - Page 260
PXB4221
Manufacturer Part Number
PXB4221
Description
IWE8 Interworking Element for 8 E1/T1 Lines
Manufacturer
Infineon Technologies AG
Datasheet
1.PXB4221.pdf
(290 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PXB4221EV3.2
Manufacturer:
INFIEON
Quantity:
20 000
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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 at Cell Interface, Multi-PHY)
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
1
2
3
PXB4219 / PXB4220 / PXB4221
Limit Values
Min
8
1
8
0
1
1
Electrical Characteristics
Max
-
-
-
-
-
-
2002-05-06
Unit
ns
ns
ns
ns
ns
ns
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