IDT82V2041EPP IDT, Integrated Device Technology Inc, IDT82V2041EPP Datasheet - Page 9

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IDT82V2041EPP

Manufacturer Part Number
IDT82V2041EPP
Description
IC LIU T1/J1/E1 1CH 44-TQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Line Interface Units (LIUs)r
Datasheet

Specifications of IDT82V2041EPP

Protocol
E1
Voltage - Supply
3.13 V ~ 3.47 V
Mounting Type
Surface Mount
Package / Case
44-TQFP, 44-VQFP
Number Of Transceivers
1
Screening Level
Industrial
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Drivers/receivers
-
Lead Free Status / RoHS Status
Not Compliant, Contains lead / RoHS non-compliant
Other names
82V2041EPP

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Notes:
1. TCLK missing: the state of TCLK continues to be high level or low level over 70 MCLK cycles.
2
Table-1 Pin Description
Pin Description
IDT82V2041E
RD/RDP
CV/RDN
TD/TDP
TRING
RRING
Name
TCLK
TTIP
RTIP
TDN
PIN DESCRIPTION
Analog
Analog
output
input
Type
O
I
I
Pin No.
37
36
41
40
2
3
1
5
6
TTIP/TRING: Transmit Bipolar Tip/Ring
These pins are the differential line driver outputs. They will be in high impedance state under the following conditions:
RTIP/RRING: Receive Bipolar Tip/Ring
These signals are the differential receiver inputs.
TD: Transmit Data
When the device is in single rail mode, the NRZ data to be transmitted is input on this pin. Data on TD pin is sampled into the
device on the active edge of TCLK and is encoded by AMI, HDB3 or B8ZS line code rules before being transmitted. In this
mode, TDN should be connected to ground.
TDP/TDN: Positive/Negative Transmit Data
When the device is in dual rail mode, the NRZ data to be transmitted for positive/negative pulse is input on these pins. Data
on TDP/TDN pin is sampled into the device on the active edge of TCLK. The line code in dual rail mode is as follows:
TCLK: Transmit Clock input
This pin inputs 1.544 MHz for T1/J1 mode or 2.048 MHz for E1 mode transmit clock. The transmit data at TD/TDP or TDN is
sampled into the device on the active edge of TCLK. If TCLK is missing
rupt will be generated.
RD: Receive Data output
In single rail mode, this pin outputs NRZ data. The data is decoded according to AMI, HDB3 or B8ZS line code rules.
CV: Code Violation indication
In single rail mode, the BPV/CV code violation will be reported by driving the CV pin to high level for a full clock cycle. B8ZS/
HDB3 line code violation can be indicated if the B8ZS/HDB3 decoder is enabled. When AMI decoder is selected, bipolar vio-
lation will be indicated.
In hardware control mode, the EXZ, BPV/CV errors in received data stream are always monitored by the CV pin if single rail
mode is chosen.
RDP/RDN: Positive/Negative Receive Data output
In dual rail mode, this pin outputs the re-timed NRZ data when CDR is enabled, or directly outputs the raw RZ slicer data if CDR
is bypassed.
Active edge and level select:
Data on RDP/RDN or RD is clocked with either the rising or the falling edge of RCLK. The active polarity is also selectable.
THZ pin is high;
THZ bit is set to 1;
Loss of MCLK;
Loss of TCLK (exceptions: Remote Loopback; transmit internal pattern by MCLK);
Transmit path power down;
After software reset; pin reset and power on.
TDP
0
0
1
1
SINGLE CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
TDN
0
1
0
1
9
Space
Positive Pulse
Negative Pulse
Space
Output Pulse
Description
1
and the TCLK missing interrupt is not masked, an inter-
December 9, 2005

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