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DS21448
  • DS21448

DS21448

144 Terminations3.3V 144 Pin DS21448 Telecom device4 Circuits


  • Manufacturer: Maxim Integrated
  • NO: 503-DS21448
  • Package: 144-BGA
  • Datasheet: pdf
  • Stock: 1709
  • Description: 144 Terminations3.3V 144 Pin DS21448 Telecom device4 Circuits(Kg)

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SPECIFICATIONS

Parameters
Packaging Tube
Published 2006
JESD-609 Code e0
Pbfree Code no
Part Status Obsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 144
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Subcategory Digital Transmission Interfaces
Voltage - Supply 3.135V~3.465V
Terminal Position BOTTOM
Terminal Form BALL
Peak Reflow Temperature (Cel) 225
Supply Voltage 3.3V
Terminal Pitch 1.27mm
Reach Compliance Code not_compliant
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number DS21448
Function Line Interface Unit (LIU)
Qualification Status Not Qualified
Operating Supply Voltage 3.3V
Number of Circuits 4
Max Supply Current 400mA
Current - Supply 320mA
Telecom IC Type PCM TRANSCEIVER
Height Seated (Max) 2.22mm
Length 17mm
Width 17mm
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 144-BGA
Number of Pins 144
Operating Temperature 0°C~70°C

DS21448 Overview


144-BGA package is used to save board space.Telecommunications equipment is packed using the Tube method.Surface Mount is used as telecommunications equipment mounting type.Telecommunications equipment consists of 4 circuits.Providing 3.135V~3.465V wtelecom IC's efficiencyh the correct supply voltage will improve efficiency.At 0°C~70°C, reliable performance can be achieved.Surface Mount is the way telecom switching is mounted.Configuration of this telecom circuit has 144 terminations.It operates at a voltage of 3.3V.There are 144 pins on this telecom interface.By using telecom switching's base part number of DS21448, it is possible to find more related parts.The type of telecom IC it uses is PCM TRANSCEIVER.A current of 320mA is used as the supply current.Telecom product operates with the supply voltage of 3.3V to provide much flexibility for designers.Digital Transmission Interfaces is a subcategory of telecommunications device .For normal operation, the supply current should be kept at 400mA.

DS21448 Features


Available in the 144-BGA package
PCM TRANSCEIVER as telecom IC type
Operating supply voltage of 3.3V

DS21448 Applications


There are a lot of Maxim Integrated DS21448 Telecom applications.

  • Home Gateway
  • SONET/SDH terminal
  • Codec function on telephone switch line cards
  • Digital Cross-Connect Systems
  • PCM channel bank
  • Digital cross connects (DSX-1)
  • Digital loop carrier (DLC)
  • Interfaces to DS3
  • Cable Telephony
  • ISDN NT1/TA
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