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PM7344 Datasheet(PDF) 279 Page - PMC-Sierra, Inc

Part # PM7344
Description  SATURN QUAD T1/E1 MULTI-PHY USER NETWORK INTERFACE DEVICE
PDF  293 Pages
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Manufacturer  PMC [PMC-Sierra, Inc]
Direct Link  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM7344 Datasheet(HTML) 279 Page - PMC-Sierra, Inc

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PM7344 S/UNI-MPH
DATA SHEET
PMC-950449
ISSUE 6
MULTI-PHY USER NETWORK INTERFACE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
263
Symbol
Description
Min
Max
Units
tHT1RCLKI
RCLKI[x] High Duration
(T1 format)6
250
ns
tE1RCLKI
RCLKI[x] Frequency for E1
format3,6 (nominally 2.048 MHz ±
50 ppm)
2.2
MHz
tLE1RCLKI
RCLKI[x] Low Duration
(E1 format)6
190
ns
tHE1RCLKI
RCLKI[x] High Duration
(E1 format)6
190
ns
tJ2RCLKI
RCLKI[x] Frequency for J2 format
(nominally 6.312 MHz)
7
MHz
tARRCLKI
RCLKI[x] Frequency for other bit
rate formats
25
MHz
tDRCLKI
Digital Receive Clock Duty Cycle
(J2 and Arbitrary formats)
40
60
%
tSRCLKI
RCLKI to NRZ Digital Receive Input
Set-up Time1
5
ns
tHRCLKI
RCLKI to NRZ Digital Receive Input
Hold Time2
5
ns
tWTRDPN
RZ Digital Receive Input Pulse
Width (T1 format)6
100
540
ns
tWERDPN
RZ Digital Receive Input Pulse
Width (E1 format)6
100
380
ns
Figure 42
- Digital Receive Interface Input Timing Diagram
RCLKI[x]
tHT1RCLKI, tHE1RCLKI
tLT1RCLKI, tLE1RCLKI



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