PM7344 S/UNI-MPH
DATA SHEET
PMC-950449
ISSUE 6
MULTI-PHY USER NETWORK INTERFACE
Symbol
Description
Min
Max
Units
tH
RCLKI[x] High Duration
250
ns
T1RCLKI
6
(T1 format)
t
RCLKI[x] Frequency for E1
format
50 ppm)
2.2
MHz
E1RCLKI
3,6
(nominally 2.048 MHz ±
tL
RCLKI[x] Low Duration
190
190
ns
ns
E1RCLKI
6
(E1 format)
RCLKI[x] High Duration
tH
E1RCLKI
6
(E1 format)
t
t
RCLKI[x] Frequency for J2 format
7
MHz
MHz
%
J2RCLKI
ARRCLKI
(nominally 6.312 MHz)
RCLKI[x] Frequency for other bit
rate formats
25
60
tD
Digital Receive Clock Duty Cycle
40
RCLKI
(J2 and Arbitrary formats)
tS
RCLKI to NRZ Digital Receive Input 5
ns
RCLKI
1
Set-up Time
RCLKI to NRZ Digital Receive Input 5
tH
RCLKI
ns
ns
ns
2
Hold Time
RZ Digital Receive Input Pulse
tW
tW
100
100
540
380
TRDPN
ERDPN
6
Width (T1 format)
RZ Digital Receive Input Pulse
6
Width (E1 format)
Figure 42
- Digital Receive Interface Input Timing Diagram
tHT1RCLKI
, tHE1RCLKI
RCLKI[x]
tLT1RCLKI
, tLE1RCLKI
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
263
PMC [ PMC-SIERRA, INC ]
