| PartNumber | MAX32621IWG+T | MAX32621IWG+ | MAX32621IWG+W |
| Description | ARM Microcontrollers - MCU SECURE ULTRA-LOW POWER CORTEX M4 WLP T&R | ARM Microcontrollers - MCU SECURE ULTRA-LOW POWER CORTEX M4 WLP BULK | IC MCU 32BIT 2MB FLASH 81WLP DARWIN |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Series | MAX32621 | MAX32621 | - |
| Core | ARM Cortex M4F | ARM Cortex M4F | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 96 MHz | 96 MHz | - |
| Program Memory Size | 2 MB | 2 MB | 2MB (2M x 8) |
| Data RAM Size | 256 kB | 256 kB | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Operating Supply Voltage | 1.2 V | 1.2 V | - |
| Packaging | Reel | - | Tray |
| Brand | Maxim Integrated | Maxim Integrated | - |
| I/O Voltage | 1.8 V, 3.3 V | 1.8 V, 3.3 V | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 2000 | 10 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 1.26 V | 1.26 V | - |
| Supply Voltage Min | 1.14 V | 1.14 V | - |
| Part # Aliases | 90-B6721+WB8 | 90-B6721+WBB | 90-B6721+WBW |
| Minimum Operating Temperature | - | - 30 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Package Case | - | - | 81-WFBGA, WLPBGA |
| Operating Temperature | - | - | -20°C ~ 85°C (TA) |
| Supplier Device Package | - | - | * |
| Number of I O | - | - | 49 |
| Speed | - | - | 96MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | |
| RAM Size | - | - | 256K x 8 |
| Program Memory Type | - | - | FLASH |
| Peripherals | - | - | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | - | - | 1-Wire, I2C, SPI, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | - | 1.14 V ~ 3.6 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 4x10b |
| Oscillator Type | - | - | Internal |