tmxf28155 ETC-unknow, tmxf28155 Datasheet - Page 40

• 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
The output clock specifications are shown in
Table 25. Output Clock Specifications
* The specifications for the table are with all loopbacks disabled.
Note: Any of the telecom signals being used as inputs (slave Super Mapper) need to meet these same output
40
Signal Name
TPSC155P/N
RPOACCLK
RTOACCLK
TPOACCLK
TTOACCLK
RLSCLK
TLSCLK
RLSC52
TLSC52
clock specifications.
Internal CDR Clock
Internal CDR Clock
Reference CLK*
RHSCP/N or
RHSCP/N or
RHSCP/N
RHSCP/N
THSCP/N
THSCP/N
THSCP/N
THSCP/N
THSCP/N
(continued)
Frequency
19.44 MHz
5.184 MHz
19.44 MHz
5.184 MHz
155.5 MHz
5.184 MHz
5.184 MHz
51.84 MHz
51.84 MHz
Table
25, where the symbols match the waveform diagram above.
Clock Pulse High
24.43—27.00 ns
91.62—101.3 ns
24.43—27.00 ns
91.62—101.3 ns
3.119—3.311 ns
91.62—101.3 ns
91.62—101.3 ns
9.162—10.13 ns
9.162—10.13 ns
Time (t
CLKHI)
C
C
C
C
C
C
C
C
C
Condition
L
L
L
L
L
L
L
L
L
Test
= 50 pF
= 15 pF
= 50 pF
= 15 pF
= 15 pF
= 15 pF
= 15 pF
= 30 pF
= 30 pF
Max Rise
Time (t
3.5 ns
3.5 ns
3.5 ns
3.5 ns
1.5 ns
3.5 ns
3.5 ns
3.0 ns
3.0 ns
Agere Systems Inc.
R)
May 2001
Time (t
Max Fall
3.5 ns
3.5 ns
3.5 ns
3.5 ns
1.5 ns
3.5 ns
3.5 ns
3.0 ns
3.0 ns
F)