Microchip Technology ATUC256L4U-D3HR Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 256KB FLASH 48TLLGA
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATUC256L4U-D3HR
Detailed Description
IC MCU 32BIT 256KB FLASH 48TLLGA
Package
48-UFLGA Exposed Pad
Key Features
Package / Case: 48-UFLGA Exposed Pad
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATUC256L4U-D3HR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATUC256L4U-D3HR Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
AVR®32 UC3 L
Interface
CAN, I2C, IrDA, LIN, SPI, UART, USART, USB
Memory Size
64 kB
RAM Size
32K x 8
Data Bus Width
32 b
RoHS
Yes
Number of Pins
48
Package / Case
48-UFLGA Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Related Parts Comparison (ATUC256L4U-D3HR vs ATUC64L4U-D3HR vs ATUC256L4U-D3HES vs ATUC64L4U-D3HT)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 48-UFLGA Exposed Pad | 48-UFLGA Exposed Pad | 48-UFLGA Exposed Pad | 48-UFLGA Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 32K x 8 | 16K x 8 | 32K x 8 | 16K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB |
| Data Converters | A/D 8x12b | A/D 8x12b | A/D 8x12b | A/D 8x12b |
| Number of I/O | 36 | 36 | 36 | 36 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
CY8C4148AZQ-S453Infineon TechnologiesSimilar FunctionalityInfineon
IC MCU 32BIT 256KB FLASH 100TQFP
SPC5643LFK0MLL6NXP SemiconductorsNXP
IC MCU 32BIT 1MB FLASH 100LQFP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.