Data Sheet
June 2003
TTSV02622 STS-24 Backplane Transceiver
Timing Characteristics
(continued)
T
P
T
L
SYS_CLK
T
H
LINE_FP
T
SU
OUTPUT BUS
FIRST A1 OF STS-1 #1
PARITY,
SPE,
C1J1 PINS
T
CO
T
HD
Figure 16. Output Parallel Port Timing
Table 22. Output Parallel Port Timing Requirements
Symbol
T
P
T
L
T
H
T
SU
T
HD
T
CO
Parameter
Clock Period
Clock Low Time
Clock High Time
Data Setup Time
Data Hold Time
Clock to Output Time of Data, Parity, SPE, and C1J1 Pins
Min
—
5.1
5.1
3
0
1.3
Typ
12.86
6.43
6.43
—
—
—
Max
—
7.7
7.7
—
—
7
Unit
ns
ns
ns
ns
ns
ns
Note: Min T
CO
number is calculated based on 5 pF load. Max T
CO
is calculated based on 35 pF load.
Agere Systems Inc.
57
AGERE [ AGERE SYSTEMS ]
