Microchip Technology AT91M55800A-33AU Microcontroller, Microprocessor, FPGA Modules
IC MCU 16/32BIT ROMLESS 176LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT91M55800A-33AU
Detailed Description
IC MCU 16/32BIT ROMLESS 176LQFP
Package
176-LQFP
Key Features
Package / Case: 176-LQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
AT91M55800A-33AU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT91M55800A-33AU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
8K x 8
RoHS
Yes
Number of Pins
176
Package / Case
176-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 3.6V
Lifecycle Status
Active
Peripherals
POR, WDT
Number of I/O
58
Alternate Parts Comparison (AT91M55800A-33AU vs AT24C02D-SSHM-T vs AT24C16C-SSHM-T vs AT24C256C-SSHL-T)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 176-LQFP | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 3.6V | 1.7V ~ 3.6V | 1.7V ~ 5.5V | 1.7V ~ 5.5V |
| Number of Pins | 176 | 8 | 8 | 8 |
| RoHS | Yes | Compliant | Compliant | Compliant |
| Lifecycle Status | Active | Production | Production | Production |
| Package | 176-LQFP | SOIC | SOIC | SOIC |
| Memory Size | -- | 256 B | 2 kB | 32 kB |
| Interface | -- | 2-Wire, I2C | 2-Wire, I2C | 2-Wire, I2C |
| Access Time | -- | 900 ns | 450 ns | 550 ns |
| Address Bus Width Bit | -- | 3 | 3 | 15 |
| 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 .
This part is listed as a cross for
STM32F722IET6STMicroelectronicsSimilarMicrochip
High-performance and DSP with FPU, Arm Cortex-M7 MCU with 512 Kbytes of Flash memory, 216 MHz CPU, Art Accelerator, L…
STM32F217IGT7STMicroelectronicsSimilarMicrochip
ARM® Cortex®-M3 STM32F2 Microcontroller IC 32-Bit 120MHz 1MB (1M x 8) FLASH 176-LQFP (24x24)
STM32F722IET7STMicroelectronicsSimilarMicrochip
ARM® Cortex®-M7 STM32F7 Microcontroller IC 32-Bit 216MHz 512KB (512K x 8) FLASH 176-LQFP (24x24)
STM32F723IET6STMicroelectronicsSimilarMicrochip
ARM® Cortex®-M7 STM32F7 Microcontroller IC 32-Bit 216MHz 512KB (512K x 8) FLASH 176-LQFP (24x24)
STM32F723IET7STMicroelectronicsSimilarMicrochip
ARM® Cortex®-M7 STM32F7 Microcontroller IC 32-Bit 216MHz 512KB (512K x 8) FLASH 176-LQFP (24x24)
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.
