DS21552L+ Maxim Integrated Products, DS21552L+ Datasheet - Page 20
![IC TXRX T1 1-CHIP 5V 100-LQFP](/photos/6/82/68291/406-100-lqfp_sml.jpg)
DS21552L+
Manufacturer Part Number
DS21552L+
Description
IC TXRX T1 1-CHIP 5V 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21352L.pdf
(137 pages)
Specifications of DS21552L+
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
DSX-1 and CSU Line Build-Out Generator, HDLC Controller, In-Band Loop Code Generator and Detector
Product
Framer
Number Of Transceivers
1
Data Rate
64 Kbps
Supply Voltage (max)
3.465 V
Supply Voltage (min)
3.135 V
Supply Current (max)
75 mA (Typ)
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Ic Interface Type
Parallel, Serial
Supply Voltage Range
4.75V To 5.25V
Operating Temperature Range
0°C To +70°C
Digital Ic Case Style
LQFP
No. Of Pins
100
Filter Terminals
SMD
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Updated on the rising edge of RCLKO with bipolar data out of the line interface. This pin is normally tied to RPOSI.
Signal Name:
Signal Description:
Signal Type:
Updated on the rising edge of RCLKO with the bipolar data out of the line interface. This pin is normally tied to RPOSI.
Signal Name:
Signal Description:
Signal Type:
Buffered recovered clock from the T1 line. This pin is normally tied to RCLKI.
Signal Name:
Signal Description:
Signal Type:
Sampled on the falling edge of RCLKI for data to be clocked through the receive side framer. RPOSI and RNEGI can be tied
together for a NRZ interface. Can be internally connected to RPOSO by tying the LIUC pin high.
Signal Name:
Signal Description:
Signal Type:
Sampled on the falling edge of RCLKI for data to be clocked through the receive side framer. RPOSI and RNEGI can be tied
together for a NRZ interface. Can be internally connected to RNEGO by tying the LIUC pin high.
Signal Name:
Signal Description:
Signal Type:
Clock used to clock data through the receive side framer. This pin is normally tied to RCLKO. Can be internally connected to
RCLKO by tying the LIUC pin high.
RNEGO
Receive Negative Data Input
Output
RCLKO
Receive Clock Output
Output
RPOSI
Receive Positive Data Input
Input
RNEGI
Receive Negative Data Input
Input
RCLKI
Receive Clock Input
Input
20 of 137
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