DS2156L+ Maxim Integrated Products, DS2156L+ Datasheet - Page 22
![IC TXRX T1/E1/J1 1-CHIP 100-LQFP](/photos/6/82/68291/406-100-lqfp_sml.jpg)
DS2156L+
Manufacturer Part Number
DS2156L+
Description
IC TXRX T1/E1/J1 1-CHIP 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2156L.pdf
(265 pages)
Specifications of DS2156L+
Function
Single-Chip Transceiver
Interface
E1, J1, T1, TDM, UTOPIA II
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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Signal Name:
Signal Description:
Signal Type:
Updated on the rising edge of TCLKO with the bipolar data out of the transmit-side formatter. Can be programmed
to source NRZ data by the output data format (IOCR1.0) control bit. This pin is normally connected to TPOSI.
Signal Name:
Signal Description:
Signal Type:
Updated on the rising edge of TCLKO with the bipolar data out of the transmit-side formatter. This pin is normally
connected to TNEGI.
Signal Name:
Signal Description:
Signal Type:
Buffered clock that is used to clock data through the transmit-side formatter (i.e., either TCLK or RCLKI). This pin
is normally connected to TCLKI.
Signal Name:
Signal Description:
Signal Type:
Sampled on the falling edge of TCLKI for data to be transmitted out onto the T1 line. Can be internally connected
to TPOSO by connecting the LIUC pin high. TPOSI and TNEGI can be connected together in NRZ applications.
Signal Name:
Signal Description:
Signal Type:
Sampled on the falling edge of TCLKI for data to be transmitted out onto the T1 line. Can be internally connected
to TNEGO by connecting the LIUC pin high. TPOSI and TNEGI can be connected together in NRZ applications.
Signal Name:
Signal Description:
Signal Type:
Line interface transmit clock. Can be internally connected to TCLKO by connecting the LIUC pin high.
TPOSO
Transmit Positive-Data Output
Output
TNEGO
Transmit Negative-Data Output
Output
TCLKO
Transmit Clock Output
Output
TPOSI
Transmit Positive-Data Input
Input
TNEGI
Transmit Negative-Data Input
Input
TCLKI
Transmit Clock Input
Input
22 of 265
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