DS21Q50L+ Maxim Integrated Products, DS21Q50L+ Datasheet - Page 65
DS21Q50L+
Manufacturer Part Number
DS21Q50L+
Description
IC TXRX E1 QUAD 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21Q50L.pdf
(87 pages)
Specifications of DS21Q50L+
Function
Transceiver
Interface
E1
Number Of Circuits
4
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
230mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
*
Includes
AIS Alarms Detector and Generator, Loopback Functions, PRBS Generator / Detector, Remote Detector and Generator
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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DS21Q50
Transmit and receive CMI is enabled through OUTAC.7. When this register bit is set, the TTIP pin
outputs CMI-coded data at normal TTL-type levels. This signal can be used to directly drive an optical
interface. When CMI is enabled, the user can also use HDB3 coding.
When this register bit is set, the RTIP pin becomes a unipolar CMI input. The CMI signal is processed to
extract and align the clock with data. The BPV counts CVs (code violations) in the CMI signal. CVs are
defined as consecutive ones of the same polarity as shown in
Figure
17-2. If HDB3 precoding is enabled,
then the CVs generated by HDB3 are not counted as errors.
Figure 17-2. CMI Code Violation Example
CLOCK
1
1
0
1
0
0
1
DATA
CMI
CODE VIOLATION
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