tmxf28155 ETC-unknow, tmxf28155 Datasheet - Page 46

• Manufacturer Part Number: tmxf28155
• Description: Tmxf28155 Super Mapper 155/51 Mbits/s Sonet/sdh X28/x21 Ds1/e1
• Manufacturer: ETC-unknow

155/51 Mbits/s SONET/SDH x28/x21 DS1/E1
5 Timing Characteristics
5.5 Concentration Highway (CHI) Timing
Table 35
and frame synchronization.
Table 35. CHI Transmit Timing Characteristics
* f
46
CK
Symbol
can be either 2.048 MHz, 4.096 MHz, 8.192 MHz, or 16.384 MHz.
f
t
t
t
t
CK
CK
t
t
PD
R
H
F
S
and
Table 36
Clock Frequency*
Clock Period
Clock Rise Time
Clock Fall Time
Frame Sync Setup Time
Frame Sync Hold Time
Clock to CHI Data Delay
LINETXSYNC[28:1]
with
LINETXSYNC29
FRAME SYNC
LINETXCLK29
DATA
Figure 10
CLOCK
Parameter
(continued)
and
Figure 10. CHI Transmit I/O Timing
Figure
11, respectively, illustrate the detailed CHI timing for clock, data,
t
CK
t
S
2.048
488.2
Min
35
—
0
0
0
t
PD
t
H
16.384
61.04
Max
25
—
—
3
3
Agere Systems Inc.
May 2001
MHz
Unit
ns
ns
ns
ns
ns
ns
5-9080(F)