tdat04622 ETC-unknow, tdat04622 Datasheet - Page 295

• Manufacturer Part Number: tdat04622
• Description: Tdat Sonet/sdh 155/622/2488 Mbits/s Data Interfaces
• Manufacturer: ETC-unknow

Data Sheet
May 2001
Agere Systems Inc.
Interface Timing Specifications
Line Interface I/O Timing
Table 168. Transmit Line-Side Timing Specifications
* TxCKQP/N is used in STS-48/STM-16 mode only.
† TxFSYNCP/N must be synchronized to TxCKP/N; it must be at least one TxCKP/N clock-cycle wide, but less than one frame
Symbol
period minus two TxCKP/N clock-cycles wide.
t50
t51
t52
t53
t54
t55
t56
t57
t58
t59
t60
t61
Transmit Clock-Cycle Period:
Transmit Clock Rise
Transmit Clock Fall
Transmit Clock Pulse Low (for P input):
Transmit Clock Pulse High (for P input):
Propagation Delay—contra clocking:
Propagation Delay—forward clocking:
Propagation Delay—forward clocking:
Propagation Delay—forward clocking:
TxFSYNC Setup
TxFSYNC Hold
Transmit TxFSYNC width
STS-3/STM-1 and STS-48/STM-16
STS-12/STM-4
STS-3/STM-1 and STS-48/STM-16
STS-12/STM-4
STS-3/STM-1 and STS-48/STM-16
STS-12/STM-4
(TxCKP/N to TxD[15:0]P/N, with PLL)
(TxCKP/N to TxCKQP/N)*
(TxCKQP/N to TxD[15:0]P/N, no PLL)*
(TxCKP/N to TxD[15:0]P/N, no PLL)
STS-3/STM-1 and STS-48/STM-16
STS-12/STM-4
(continued)
Parameter
†
:
(continued)
2.800
2.800
6.430
1.608
Min
700
700
100
100
1.5
0.5
—
—
—
—
1
2
155/622/2488 Mbits/s Data Interface
1.60751
6.4300
3.2150
803.75
3.2150
803.75
Typ
—
—
—
—
—
—
—
—
—
—
TDAT042G5 SONET/SDH
19,438
77,758
3.630
3.630
Max
500
500
907
907
4.5
1.5
—
—
—
—
3
5
clock cycles
clock cycles
Units
ns
ns
ps
ps
ns
ps
ns
ps
ns
ns
ns
ns
ps
ps
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