DS21554L+ Maxim Integrated Products, DS21554L+ Datasheet - Page 16
![IC TXRX E1 1-CHIP 5V 100-LQFP](/photos/6/82/68291/406-100-lqfp_sml.jpg)
DS21554L+
Manufacturer Part Number
DS21554L+
Description
IC TXRX E1 1-CHIP 5V 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2154LNA2.pdf
(124 pages)
Specifications of DS21554L+
Function
Single-Chip Transceiver
Interface
E1, HDLC, J1, T1
Number Of Circuits
1
Voltage - Supply
4.75 V ~ 5.25 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
Remote and AIS Alarm Detector / Generator
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. This pin is
normally tied to TNEGI.
Signal Name:
Signal Description:
Signal Type:
Buffered output of signal that is clocking data through the transmit-side formatter. This pin is normally
tied 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 tying the LIUC pin high. TPOSI and TNEGI can be tied 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 tying the LIUC pin high. TPOSI and TNEGI can be tied together in NRZ
applications.
Signal Name:
Signal Description:
Signal Type:
Line interface transmit clock. Can be internally connected to TCLKO by tying the LIUC pin high.
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
16 of 124
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