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PM6344 Datasheet(PDF) 238 Page - PMC-Sierra, Inc

Part # PM6344
Description  QUADRUPLE E1 FRAMER
PDF  256 Pages
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Manufacturer  PMC [PMC-Sierra, Inc]
Direct Link  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM6344 Datasheet(HTML) 238 Page - PMC-Sierra, Inc

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STANDARD PRODUCT
PMC-Sierra, Inc.
PM6344 EQUAD
PMC-951013
ISSUE 5
QUADRUPLE E1 FRAMER
225
18
EQUAD I/O TIMING CHARACTERISTICS
TA= -40° to +85°C, VDD=5V ±10%
Table 12
- Backplane Transmit Input Timing, MENB Input High (Figure
37)
Symbol
Description
Min
Max
Units
fBTCLK
Backplane Transmit Clock
Frequency1,2(Typically 2.048
MHz ± 50 ppm)
2.1
MHz
tDBTCLK
Backplane Transmit Clock Duty
Cycle
30
70
%
tSTCLK
BTCLK[x] to Backplane Input
Set-up Time7
20
ns
tHTCLK
BTCLK[x] to Backplane Input
Hold Time8
20
ns
Figure 37
- Backplane Transmit Input Timing Diagram
BTCLK[x]
Valid
t
STCLK
t
HTCLK
BTPCM/BTDP[x],
BTSIG/BTDN[x],
BTFP[x]



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