Microchip Technology ATUC256L3U-Z3UR Microcontrollers
IC MCU 32BIT 256KB FLASH 64QFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATUC256L3U-Z3UR
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 64QFN
Package
VQFN-64
Lifecycle Status
Active
Datasheet
ATUC256L3U-Z3UR Datasheet
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Technical Specifications
Microchip Technology ATUC256L3U-Z3UR Microcontrollers technical specifications.
General
RoHS
Yes
Number of Pins
64
Part Family
AVR L Series
CPU Type
32-bit AVR MCU
Maxspeed Mhz
50
Sram Kb
32
Temp Range Min
-40
Temp Range Max
85
Operation Voltage Min V
1.62
Operation Voltage Max V
3.6
Related Parts Comparison (ATUC256L3U-Z3UR vs ATUC256L4U-D3HT vs ATUC256L3U-AUT vs ATUC256L4U-AUT)
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 | |
|---|---|---|---|---|
| RoHS | Yes | Yes | Yes | Yes |
| Package | VQFN-64 | TLLGA-48 | 64-TQFP | 48-TQFP |
| Package / Case | -- | 48-UFLGA Exposed Pad | 64-TQFP | 48-TQFP |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -- | -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 |
| Core Processor | -- | AVR | AVR | AVR |
| Core Size | -- | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | -- | 32K x 8 | 32K x 8 | 32K x 8 |
| Lifecycle Status | -- | Active | Active | Active |
| Connectivity | -- | 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 |
| 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-S455Infineon TechnologiesSimilar FunctionalityInfineon
IC MCU 32BIT 256KB FLASH 64TQFP
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