tdat04622 ETC-unknow, tdat04622 Datasheet - Page 297

• 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
UTOPIA Interface Timing
Table 170. Receive UTOPIA Interface Timing Specifications
* TxCLK[D:A] of the corresponding port is the source for RxCLK[D:A]. RxCLK[D:A] is an output in this case.
† C
standard specifies a loading of 25 pF in point-to-point configuration (only two devices involved).
Symbol
L
is the load on the outputs listed in Figure47. The UTOPIA Level 2 standard specifies a loading of 50 pF at 52 MHz. The UTOPIA L evel 3
t65
t66
t67
t68
52 MHz ≤ ≤ ≤ ≤ RxCLK
C
C
C
≤ ≤ ≤ ≤ 104 MHz
INPUT
INPUT/OUTPUT
INPUT
OUTPUTS
L
L
L
= 25 pF
= 25 pF
= 25 pF
—
—
—
*
Test Conditions
†
†
†
RxDATA[D:A][15:0]
(continued)
RxPRTY[D:A]
Figure 47. Receive UTOPIA Interface Timing
RxSOP[D:A]
RxEOP[D:A]
RxERR[D:A]
RxENB[D:A]
RxCLK ≤ ≤ ≤ ≤ 52 MHz
RxCLK[D:A]
TxCLK[D:A]
RxPA[D:A]
RxSZ[D:A]
C
C
C
L
L
L
= 50 pF
= 50 pF
= 50 pF
—
—
—
*
(continued)
†
†
†
t66
Setup
(Min)
2.5
4.0
—
—
—
—
—
t65
t67
(Min)
Hold
t68
0.0
1.0
—
—
—
—
—
(Min)
2.0
4.0
Propagation Delay Range
—
—
—
—
—
155/622/2488 Mbits/s Data Interface
(Max)
13.0
6.5
—
—
—
—
—
TDAT042G5 SONET/SDH
(Min)
2.3
—
—
—
—
—
—
(Max)
5.0
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
5-7664(F)r.4
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