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128 Terminations3.3V 128 Pin DS21448 Telecom device
- Manufacturer: Maxim Integrated
- NO: 503-DS21448L
- Package: 128-LQFP
- Datasheet:
- Stock: 3313
- Description: 128 Terminations3.3V 128 Pin DS21448 Telecom device(Kg)
- Delivery:
- Payment:
In Stock
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| Parameters | |
|---|---|
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 128-LQFP |
| Number of Pins | 128 |
| Operating Temperature | 0°C~70°C |
| Packaging | Tube |
| Published | 2006 |
| JESD-609 Code | e0 |
| Pbfree Code | no |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Number of Terminations | 128 |
| ECCN Code | EAR99 |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Subcategory | Digital Transmission Interfaces |
| Voltage - Supply | 3.135V~3.465V |
| Terminal Position | QUAD |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 245 |
| Supply Voltage | 3.3V |
| Terminal Pitch | 0.5mm |
| 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 |
| Max Supply Current | 400mA |
| Current - Supply | 320mA |
| Telecom IC Type | PCM TRANSCEIVER |
| Number of Transceivers | 4 |
| Height | 1.45mm |
| Length | 20mm |
| Width | 14mm |
| RoHS Status | Non-RoHS Compliant |
| Lead Free | Contains Lead |
DS21448L Overview
The 128-LQFP package reduces the amount of space on a board.Telecommunications equipment is packed using the Tube method.The mounting type of this telecom circuit is Surface Mount.A higher supply voltage for 3.135V~3.465V will improve efficiency.Operating temperatures of 0°C~70°C can ensure reliable performance.A Surface Mount-axis mount is used.Telecom switching configuration contains 128 terminations.A 3.3V supply voltage is required to operate it.There are 128 pins on this telecom interface.Telecom switching's base part number, DS21448, can be used to find related parts.Telecom ICs are of type PCM TRANSCEIVER.A 320mA supply current is required to operate telecom equipment .The supply voltage of 3.3V enables designers to have a great deal of flexibility.In the Digital Transmission Interfaces subcategory, telecommunications device belongs.It is recommended to keep the supply current at 400mA for normal operation.Integrates 4 transceivers.
DS21448L Features
Available in the 128-LQFP package
PCM TRANSCEIVER as telecom IC type
Operating supply voltage of 3.3V
4 transceivers
DS21448L Applications
There are a lot of Maxim Integrated DS21448L Telecom applications.
- Digital subscriber line access multiplexer (DSLAM)
- PDH Multiplexers
- Frame Relay Switches and Access Devices (FRADS)
- LAN Routers
- Cable modem
- CSU/DSU E1 Interface
- Cable PC
- Channel Banks
- Dual battery supply voltage SLICs
- E1 Network Equipment
