Microchip Technology LE57D121BTC Telecom
IC TELECOM INTERFACE 44TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LE57D121BTC
Detailed Description
IC TELECOM INTERFACE 44TQFP
Package
44-TQFP Exposed Pad
Key Features
Package / Case: 44-TQFP Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LE57D121BTC Datasheet
Quick Jump:
Technical Specifications
Microchip Technology LE57D121BTC Telecom technical specifications.
General
Interface
2-Wire
RoHS
Yes
Package / Case
44-TQFP Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
4.75V ~ 5.25V
Lifecycle Status
Obsolete
Functions
Subscriber Line Interface Concept (SLIC)
Number of Circuits
2
Moisture Sensitive
Yes
Alternate Parts Comparison (LE57D121BTC vs LE87271EQCT vs LE9642PQCT vs LE9502BTCT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 44-TQFP Exposed Pad | 20-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 44-TQFP Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 4.75V ~ 5.25V | 12.6V ~ 15.4V | 3.135V ~ 3.465V | 3.3V |
| Lifecycle Status | Obsolete | Active | Active | Obsolete |
| Number of Circuits | 2 | 1 | 2 | 1 |
| Interface | 2-Wire | -- | 4-Wire | 2-Wire |
| RoHS | Yes | Yes | Yes | -- |
| Package | LQFP EP-44 | VQFN-20 | VQFN-48 | -- |
| Function | -- | Line Driver | Subscriber Line Interface Concept (SLIC) | Subscriber Line Interface Concept (SLIC) |
| Action |
More Parts in Telecom Interface ICs
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
