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PM73487 Datasheet(PDF) 90 Page - PMC-Sierra, Inc

Part # PM73487
Description  622 Mbps ATM Traffic Management Device
PDF  251 Pages
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Manufacturer  PMC [PMC-Sierra, Inc]
Direct Link  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM73487 Datasheet(HTML) 90 Page - PMC-Sierra, Inc

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PM73487 QRT
PMC-Sierra, Inc.
PMC-980618
Issue 3
622 Mbps ATM Traffic Management Device
Released
Datasheet
78
Figure 51 shows the transmit UTOPIA 50 MHz timing.
Figure 51. Transmit UTOPIA 50 MHz Timing
Symbol
Parameter
Signals
Min
Max
Unit
ATM_CLK frequency
ATM_CLK
55
MHz
TtaddQ
Clock-to-output valid time
TATM_ADD(4:0)
3.4
12
ns
Ttclavsu
Input setup time
TATM_CLAV(3:0)
2
ns
TtwenQ
Clock-to-output valid time
/TATM_WRITE_EN
3.3
9.5
ns
TtsocQ
Clock-to-output valid time
TATM_SOC
3.3
9.5
ns
TtdataQ
Clock-to-output valid time
TATM_DATA(15:0)
3.3
12
ns
Ttclavh
Input hold time
TATM_CLAV(3:0)
2
ns
TtparQ
Clock-to-output valid time
TATM_PARITY
3.8
11
ns
1
2
3
4
5
6
7
8
9
TtdataQ
TtaddQ
TtwenQ
Ttclavsu
Ttclavh
TtsocQ
TtparQ
hp
p
pp
04
1F
1F
1F
00
01
1F
02
03
01
0
1
0
1
hh
p
00
ATM_CLK
TATM_DATA(15:0)
TATM_ADD(4:0)
/TATM_WRITE_EN
TATM_CLAV(3:0)
TATM_SOC
TATM_PARITY



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