DS21354LN+ Maxim Integrated Products, DS21354LN+ Datasheet - Page 15
DS21354LN+
Manufacturer Part Number
DS21354LN+
Description
IC TXRX E1 1-CHIP 3.3V 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2154LNA2.pdf
(124 pages)
Specifications of DS21354LN+
Function
Single-Chip Transceiver
Interface
E1, HDLC
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
-40°C ~ 85°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:
If enabled, this pin will be sampled on the falling edge of TCLK for data insertion into any combination
of the Sa bit positions (Sa4 to Sa8). See Section
Signal Name:
Signal Description:
Signal Type:
A pulse at this pin will establish either frame or multiframe boundaries for the transmit side. Via TCR1.1,
the DS21354/DS21554 can be programmed to output either a frame or multiframe pulse at this pin. This
pin can also be configured as an input via TCR1.0. See Section
Signal Name:
Signal Description:
Signal Type:
Only used when the transmit-side elastic store is enabled. A pulse at this pin will establish either frame or
multiframe boundaries for the transmit side. Should be tied low in applications that do not use the
transmit-side elastic store.
Signal Name:
Signal Description:
Signal Type:
When enabled, this input will sample signaling bits for insertion into outgoing PCM E1 data stream.
Sampled on the falling edge of TCLK when the transmit-side elastic store is disabled. Sampled on the
falling edge of TSYSCLK when the transmit-side elastic store is enabled.
Signal Name:
Signal Description:
Signal Type:
Updated on the rising edge of TCLK with data out of the transmit-side elastic store whether the elastic
store is enabled or not. This pin is normally tied to TDATA.
Signal Name:
Signal Description:
Signal Type:
Sampled on the falling edge of TCLK with data to be clocked through the transmit-side formatter. This
pin is normally tied to TESO.
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 via the Output Data Format (TCR2.2) control bit. This pin is normally
tied to TPOSI.
TLINK
Transmit Link Data
Input
TSYNC
Transmit Sync
Input/Output
TSSYNC
Transmit System Sync
Input
TSIG
Transmit Signaling Input
Input
TESO
Transmit Elastic Store Data Output
Output
TDATA
Transmit Data
Input
TPOSO
Transmit Positive Data Output
Output
13
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