TFRA08C13-DB AGERE [Agere Systems], TFRA08C13-DB Datasheet - Page 30
TFRA08C13-DB
Manufacturer Part Number
TFRA08C13-DB
Description
TFRA08C13 OCTAL T1/E1 Framer
Manufacturer
AGERE [Agere Systems]
Datasheet
1.TFRA08C13-DB.pdf
(188 pages)
- Current page: 30 of 188
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TFRA08C13 OCTAL T1/E1 Framer
LIU-Framer Interface
Figure 6 shows the timing requirements for the transmit and receive framer interfaces in the LIU-bypass mode.
30
Figure 6. Transmit Framer TLCK to TND, TPD and Receive Framer RND, RPD to RLCK Timing
RFRMCK
RND, RPD
TND, TPD
PLLCK
RLCK
TLCK
(continued)
t2r-f
t6
t8
t1
t4
t7
t3
t5
t2f-r
t1-DS1
t1-CEPT
t2r-f: t2f-r: PLLCK TO TLCK DELAY = 50 ns
t3-DS1 = 648 ns
t3-CEPT = 488 ns
t4 = TLCK TO VALID TPD, TND = 30 ns
t5-DS1 = 648 ns
t5-CEPT = 488 ns
t6 = RPD, RND SETUP TO RISING RLCK = 40 ns
t7 = RPD, RND HOLD FROM RISING RLCK = 40 ns
t8r-f: t8f-r: RLCK TO RFRMCK DELAY = 50 ns
HFLF = 0
648 ns
488 ns
BIT 0 OF FRM_PR45
IS THE HFLF BIT
Preliminary Data Sheet
Lucent Technologies Inc.
HFLF = 1
Lucent Technologies Inc.
162 ns
122 ns
October 2000
5-4558(F).dr.1
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