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DS21348

Maxim Integrated
Part Number DS21348
Manufacturer Maxim Integrated
Description 3.3V E1/T1/J1 Line Interface
Published Jul 14, 2021
Detailed Description www.maxim-ic.com FEATURES Complete E1, T1, or J1 Line Interface Unit (LIU) Supports Both Long-Haul And Short-Haul Trunks...
Datasheet PDF File DS21348 PDF File

DS21348
DS21348


Overview
www.
maxim-ic.
com FEATURES Complete E1, T1, or J1 Line Interface Unit (LIU) Supports Both Long-Haul And Short-Haul Trunks Internal Software-Selectable Receive-Side Termination for 75Ω/100Ω/120Ω 3.
3V Power Supply 32-Bit or 128-Bit Crystal-Less Jitter Attenuator Requires Only a 2.
048MHz Master Clock for Both E1 and T1 with Option to Use 1.
544MHz for T1 Generates the Appropriate Line Build-Outs, with and without Return loss, for E1 and DSX-1 and CSU Line Build-Outs for T1 AMI, HDB3, and B8ZS, Encoding/Decoding 16.
384MHz, 8.
192MHz, 4.
096MHz, or 2.
048MHz Clock Output Synthesized to Recovered Clock Programmable Monitor Mode for Receiver Loopbacks and PRBS Pattern Generation/ Detection with Output for Received Errors Generates/Detects In-Band Loop Codes, 1 to 16 Bits Including CSU Loop Codes 8-Bit Parallel or Serial Interface with Optional Hardware Mode Muxed and Nonmuxed Parallel Bus Supports Intel or Motorola Detects/Generates Blue (AIS) Alarms NRZ/Bipolar Interface for Tx/Rx Data I/O Transmit Open-Circuit Detection Receive Carrier Loss (RCL) Indication (G.
775) High-Impedance State for TTIP and TRING 50mA (RMS) Current Limiter DS21348/DS21Q348 3.
3V E1/T1/J1 Line Interface PIN CONFIGURATIONS 1 1 1 PRELMINARY TOP VIEW 44 1 DS21348 44 TQFP DS21Q348 49 CSBGA (7mm x 7mm) See Section 8 for 144-pin CSBGA pinout.
ORDERING INFORMATION PART DS21348TN CHANNEL TEMP RANGE Single -40°C to +85°C DS21348TN+ Single -40°C to +85°C DS21348T Single 0°C to +70°C DS21348T+ Single 0°C to +70°C DS21348GN Single -40°C to +85°C DS21348GN+ Single -40°C to +85°C DS21348G Single 0°C to +70°C DS21348G+ Single 0°C to +70°C DS21Q348N Four -40°C to +85°C DS21Q348 Four 0°C to +70°C + Denotes lead-free/RoHS-compliant package.
PIN-PACKAGE 44 TQFP 44 TQFP 44 TQFP 44 TQFP 49 CSBGA 49 CSBGA 49 CSBGA 49 CSBGA 144 CSBGA 144 CSBGA Note: Some revisions of this device may incorporate deviations from published specifications known as errata.
Multiple revisions of any device may...


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