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L3M
TXC-03452B
DATA SHEET
Figure 19. Transmit Path Overhead Timing
tPWL tPWH
tPWH
TPOHC
(OUTPUT)
tD
TPOHF
(OUTPUT)
tPW
tH
tSU
TPOHD
(INPUT)
Bit 1 J1
Bit 2 J1
Bit 3 J1
Bit 4 J1
Bit 5 J1
Bit 6 J1
Bit 7 J1
Bit 8 J1
Bit 1 B3
Note: The clock cycle that corresponds to bit 8 in each overhead byte is stretched.
Parameter
Symbol
Min
Typ
Max
Unit
TPOHC high time
tPWH
tPWL
tD
617
3395
ns
ns
ns
ns
ns
ns
TPOHC low time
771.7
TPOHF output delay after TPOHC↓
TPOHD set-up time to TPOHC↑
TPOHD data hold time after TPOHC↑
TPOHF pulse width
-2.0
7.0
3.0
5.0
tSU
tH
tPW
1388.9
TXC-03452B-MB
Ed. 6, April 2001
- 39 of 96 -
ETC [ ETC ]
