For Reference Only
| Part Number | DS21Q44T |
| LIXINC Part # | DS21Q44T |
| Manufacturer | Rochester Electronics |
| Category | Integrated Circuits › Interface - Telecom |
| Description | DS21Q44 ENHANCED QUAD E1 FRAMER |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | DS21Q44T PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 23 - Jan 27 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | DS21Q44T |
| Brand: | Rochester Electronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | Interface - Telecom |
| Manufacturer: | Rochester Electronics |
| Series: | - |
| Package: | Tube |
| Part Status: | Obsolete |
| Function: | - |
| Interface: | Parallel/Serial |
| Number of Circuits: | 4 |
| Voltage - Supply: | 2.97V ~ 3.63V |
| Current - Supply: | 75mA |
| Power (Watts): | - |
| Operating Temperature: | 0°C ~ 70°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 128-LQFP |
| Supplier Device Package: | 128-LQFP (14x20) |
| DS21352LN+ | IC TELECOM INTERFACE 100LQFP | 512446 More on Order |
|
| SI32280-A-GMR | IC TELECOM INTERFACE 48QFN | 873 More on Order |
|
| LE87557NQCT | IC TELECOM INTERFACE 1CH | 950 More on Order |
|
| DS21352L+ | IC TELECOM INTERFACE 100LQFP | 26435 More on Order |
|
| PEB2236NV2.1GIPAT-2 | ISDN PRIMARY ACCESS TRANSCEICER | 11948 More on Order |
|
| MT88L70AS1 | IC TELECOM INTERFACE 18SOIC | 1448 More on Order |
|
| LM567CM/NOPB | IC TELECOM INTERFACE 8SOIC | 958 More on Order |
|
| TCM4300IPZ | TELECOM IC, | 16400 More on Order |
|
| DS2176Q | DS2176 T1 RECEIVE BUFFER | 1532 More on Order |
|
| DS21448A1 | 3.3V E1/T1/J1 QUAD LINE INT. | 1097 More on Order |
|
| SI3050-E1-FM | IC TELECOM INTERFACE 24QFN | 847 More on Order |
|
| HC9P5502B-9 | EIA/ITU PABX SLIC | 30656 More on Order |
|
| CMX638Q3 | IC TELECOM INTERFACE 48VQFN | 1950 More on Order |
| In Stock | 11085 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $59.09000 | $59.09 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.