Digital SLIC, Basic, 1-Func, CMOS, PQCC28, PLASTIC, LCC-28
MT8972BP Parametric
Parameter Name
Attribute value
Is it Rohs certified?
incompatible
Maker
Zarlink Semiconductor (Microsemi)
package instruction
QCCJ, LDCC28,.5SQ
Reach Compliance Code
unknown
data rate
160 Mbps
ISDN access rate
BASIC
JESD-30 code
S-PQCC-J28
JESD-609 code
e0
length
11.5062 mm
Number of functions
1
Number of terminals
28
Maximum operating temperature
85 °C
Minimum operating temperature
-40 °C
Minimum output high voltage
2.4 V
Maximum output low current
0.005 A
Maximum output low voltage
0.4 V
Package body material
PLASTIC/EPOXY
encapsulated code
QCCJ
Encapsulate equivalent code
LDCC28,.5SQ
Package shape
SQUARE
Package form
CHIP CARRIER
Peak Reflow Temperature (Celsius)
260
power supply
5 V
Certification status
Not Qualified
reference point
S
Maximum seat height
4.57 mm
Nominal supply voltage
5 V
surface mount
YES
technology
CMOS
Telecom integrated circuit types
DIGITAL SLIC
Temperature level
INDUSTRIAL
Terminal surface
Tin/Lead (Sn/Pb)
Terminal form
J BEND
Terminal pitch
1.27 mm
Terminal location
QUAD
Maximum time at peak reflow temperature
NOT SPECIFIED
width
11.5062 mm
MT8972BP Preview
®
ISO
2
-CMOS ST-BUS™ FAMILY
MT8971B/72B
Digital Subscriber Interface Circuit
Digital Network Interface Circuit
Features
•
•
•
•
•
Full duplex transmission over a single twisted
pair
Selectable 80 or 160 kbit/s line rate
Adaptive echo cancellation
Up to 3km (8971B) and 4 km (8972B)
ISDN compatible (2B+D) data format
ISSUE 7
May 1995
ed
nd n
e ig
• Transparent modem capability
m s 2
• Frame synchronization and clock extraction
m De
Description
(DSIC) and MT8972B (DNIC) are
The
7
• MITEL ST-BUS compatible
cow 71/
MT8971B devices capable of providing high
multi-function
e e
• Low power (typically 50 mW), single 5V supply
full
transmission
to 160
t Rr N T91
speed,over aduplex digital pair. They useupadaptive
kbit/s
twisted wire
o o
techniques
transfer data in
N f e M
echo-cancelling compatible to and ISDN basic rate.
(2B+D) format
the
Several modes of operation allow an easy interface
Applications
Se
to digital telecommunication networks including use
•
•
•
•
Digital subscriber lines
High speed data transmission over twisted
wires
Digital PABX line cards and telephone sets
80 or 160 kbit/s single chip modem
as a high speed limited distance modem with data
rates up to 160 kbit/s.
Both devices function
identically but with the DSIC having a shorter
maximum loop reach specification. The generic
"DNIC" will be used to reference both devices unless
otherwise noted.
The MT8971B/72B is fabricated in Mitel’s ISO
2
-
CMOS process.
Ordering Information
MT8971BE
22 Pin Plastic DIP
MT8972BE
22 Pin Plastic DIP
MT8972BC
22 Pin Ceramic DIP
MT8971BP
28 Pin PLCC
MT8972BP
28 Pin PLCC
-40°C to
+
85°C
DSTi/Di
CDSTi/
CDi
Transmit
Interface
Prescrambler
Scrambler
Differentially
Encoded Biphase
Transmitter
Transmit
Filter &
Line Driver
L
OUT
F0/CLD
C4/TCK
F0o/RCK
MS0
MS1
MS2
RegC
Control
Register
Transmit
Timing
V
Bias
Address
Echo Canceller
Error
Signal
Echo Estimate
—
DPLL
MUX
L
OUT
DIS
Master Clock
Phase Locked
Transmit/
Clock
Receive
Timing &
Control
Sync Detect
Status
Receive
Precan
∑
+
Receive
Filter
-1
+2
L
IN
OSC2
DSTo/Do
CDSTo/
CDo
Receive
Interface
De-
Prescrambler
Descrambler
Differentially
Encoded Biphase
Receiver
OSC1
V
DD
V
SS
V
Bias
V
Ref
Figure 1 - Functional Block Diagram
9-113
MT8971B/72B
Notes:
9-114
For more information about all Zarlink products
visit our Web Site at
www.zarlink.com
Information relating to products and services furnished herein by Zarlink Semiconductor Inc. trading as Zarlink Semiconductor or its subsidiaries (collectively
“Zarlink”) is believed to be reliable. However, Zarlink assumes no liability for errors that may appear in this publication, or for liability otherwise arising from the
application or use of any such information, product or service or for any infringement of patents or other intellectual property rights owned by third parties which may
result from such application or use. Neither the supply of such information or purchase of product or service conveys any license, either express or implied, under
patents or other intellectual property rights owned by Zarlink or licensed from third parties by Zarlink, whatsoever. Purchasers of products are also hereby notified
that the use of product in certain ways or in combination with Zarlink, or non-Zarlink furnished goods or services may infringe patents or other intellectual property
rights owned by Zarlink.
This publication is issued to provide information only and (unless agreed by Zarlink in writing) may not be used, applied or reproduced for any purpose nor form part
of any order or contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other
information appearing in this publication are subject to change by Zarlink without notice. No warranty or guarantee express or implied is made regarding the
capability, performance or suitability of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute
any guarantee that such methods of use will be satisfactory in a specific piece of equipment. It is the user’s responsibility to fully determine the performance and
suitability of any equipment using such information and to ensure that any publication or data used is up to date and has not been superseded. Manufacturing does
not necessarily include testing of all functions or parameters. These products are not suitable for use in any medical products whose failure to perform may result in
significant injury or death to the user. All products and materials are sold and services provided subject to Zarlink’s conditions of sale which are available on request.
Purchase of Zarlink’s I
2
C components conveys a licence under the Philips I
2
C Patent rights to use these components in an I
2
C System, provided that the system
conforms to the I
2
C Standard Specification as defined by Philips.
Zarlink and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2002, Zarlink Semiconductor Inc. All Rights Reserved.
I've been working on 3G stuff these days. Since our current module uses a USB interface, it is simulated as a COM6 for communication. In CE: Control Panel->Network Connections, you need to create a ne...
Are there any books about analog circuit calculations? Last time I saw a master build an audio amplifier circuit, and he knew the resistance and capacitance values by heart, but I don't understand why...
I've been watching The Empress of China recently, and I would go to Baidu from time to time to look up many details in the book. I have a certain understanding of the Tang Dynasty. I even went to Baid...
This article introduces wireless TCP communication between RVB2601 and ESP8266, so that RVB2601 can wirelessly control the LED on ESP8266.1 RVB2601 Program
1.1 Connect to the server after connecting t...
[color=#222222][font=Arial, Verdana, sans-serif][size=12px] Static electricity hazards are caused by static electricity and [url=http://www.esd.cn/a/downloads/peixunziliao/2012/0517/5276.html][b]stati...
1. Several nouns
ABI:
The specifications that an executable file must follow in order to run in a specific execution environment;
Separately generated relocatabl...[Details]
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Administration (USPTO) for a patent for a remote vehicle control system that may be used in future ...[Details]
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
Whether it is an electric car or an ordinary fuel car, for the vast majority of car buyers, the final cost of use is what they care about most. For fuel cars, how to save fuel is what drivers care ...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
In the electronics manufacturing industry, surface mount technology (SMT) placement machines are core equipment for production lines. However, with many different models available on the market, ch...[Details]
Learned the following information.
Customer product: industrial computer motherboard
Glue application area: CPU/BGA filling
Glue color requirements: black or t...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
To improve the lateral active safety of intelligent connected vehicles, the identification and definition of unexpected functional safety scenarios for the EPS (Electronic Steering System) ...[Details]
Preface
Low-voltage motors are widely used in nonferrous metallurgical plants. Their abnormal operation not only impacts normal production but can also threaten human life. Therefore, providin...[Details]
When American cartoonist Chester Gould sketched the watch on Dick Tracy's wrist, he had no idea that science fiction would become reality 70 years later. As a comic strip artist, Gould imagined fut...[Details]
0 Introduction
DVI (Digital Visual Interface) is a hot topic in current digital display research and application. Video processing technologies for DVI output not only address issues such as h...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
