Parameters |
Mounting Type |
Surface Mount |
Package / Case |
128-LQFP |
Surface Mount |
YES |
Operating Temperature |
0°C~70°C |
Packaging |
Bulk |
Published |
2012 |
JESD-609 Code |
e3 |
Pbfree Code |
yes |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
128 |
Terminal Finish |
Matte Tin (Sn) |
Subcategory |
Digital Transmission Interfaces |
Voltage - Supply |
3.135V~3.465V |
Terminal Position |
QUAD |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Supply Voltage |
3.3V |
Terminal Pitch |
0.5mm |
Time@Peak Reflow Temperature-Max (s) |
NOT SPECIFIED |
Base Part Number |
DS21448 |
JESD-30 Code |
R-PQFP-G128 |
Function |
Line Interface Unit (LIU) |
Qualification Status |
Not Qualified |
Power Supplies |
3.3V |
Number of Circuits |
4 |
Current - Supply |
320mA |
Telecom IC Type |
PCM TRANSCEIVER |
Height Seated (Max) |
1.6mm |
Length |
20mm |
RoHS Status |
ROHS3 Compliant |
DS21448L+W Overview
In order to save space on the board, 128-LQFP packages are used.For packing, Bulk is used.There is a type Surface Mount mount for this telecom circuit.Telecom circuit is made up of 4 circuits.Wtelecom IC's efficiencyh a high supply voltage, 3.135V~3.465V can be operated more efficiently.Using 0°C~70°C as the operating temperature can result in reliable performance.Telecom switching configuration has 128 terminations.It operates at a voltage of 3.3V.Telecom switching's base part number, DS21448, can be used to find related parts.The telecom IC type is PCM TRANSCEIVER.Wit h a supply current of 320mA, telecom equipment operates.This is a Digital Transmission Interfaces subcategory.
DS21448L+W Features
Available in the 128-LQFP package
PCM TRANSCEIVER as telecom IC type
DS21448L+W Applications
There are a lot of Maxim Integrated DS21448L+W Telecom applications.
- DECT (Digital European Cordless Telephone) Base Stations
- Wireless base stations
- Network Multiplexing and Terminating Equipment
- PBX interfaces
- E3/DS3 Access Equipment
- ATM equipment with integrated DS1 interfaces
- Interfaces to SONET STS-1 Networks
- Microwave transmission systems
- Multi-Line E1 Interface Cards
- Channel Banks