DS3112+W Maxim Integrated Products, DS3112+W Datasheet - Page 121
DS3112+W
Manufacturer Part Number
DS3112+W
Description
IC MUX T3/E3 3.3V 256-PBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3112.pdf
(133 pages)
Specifications of DS3112+W
Controller Type
Framer, Multiplexer
Interface
Parallel/Serial
Voltage - Supply
3.135 V ~ 3.465 V
Current - Supply
150mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
256-PBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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14 APPLICATIONS AND STANDARDS OVERVIEW
14.1
Figure 14-1
example of a channelized T3/E3 application. It shows the DS3112 being used to multiplex and
demultiplex a T3/E3 data stream into either 28 T1 data streams or 16 E1 data streams. The demultiplexed
T1/E1 data streams are fed into the DS21FF42/44 16-channel T1/E1 framer and the DS21FT42 12-
channel T1 framer devices. The T1/E1 framers locate the frame boundaries and concatenate four T1/E1
data streams into one 8.192MHz data stream, which is feed into the DS3134 HDLC controller.
Figure 14-2
multiplexing capability of the DS3112 is disabled and it is only used as a T3/E3 framer.
Figure 14-1. Channelized T3/E3 Application
PCI
Bus
Application Examples
and
shows an example of a dual unchannelized T3/E3 application. In this application, the
CHATEAU
Controller
Channel
DS3134
HDLC
256
Figure 14-2
8.192MHz
8.192MHz
I/F
I/F
detail two possible applications of the DS3112.
DS21FF42/
DS21FF44
DS21FT42
Channel
Channel
Framer
Framer
T1/E1
16
12
T1
121 of 133
datastreams
T1/E1
Framer &
DS3112
TEMPE
T3/E3
G747
M13/
E13/
Mux
bipolar
NRZ
I/F
I/F
Interface
DS3150
OC-12/
OC-48
T3/E3
OC-3/
Line
- or -
Mux
Figure 14-1
T3/E3
Line
Optical
I/F
shows an
DS3112
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