Microchip Technology PIC32MX450F256H-I/MR Microcontrollers
IC MCU 32BIT 256KB FLASH 64VQFN

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PIC32MX450F256H-I/MR
Series
Base Model
Detailed Description
IC MCU 32BIT 256KB FLASH 64VQFN
Package
64-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
PIC32MX450F256H-I/MR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology PIC32MX450F256H-I/MR Microcontrollers technical specifications.
General
RAM Size
64K x 8
Package / Case
64-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.3V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O
49
Speed
80MHz
Core Processor
MIPS32® M4K™
Alternate Parts Comparison (PIC32MX450F256H-I/MR vs PIC32MX664F064HT-V/PT vs PIC32MX775F512LT-80I/BG vs PIC32MX450F128H-I/PT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 64-VFQFN Exposed Pad | 64-TQFP | 121-TFBGA | 64-TQFP |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.3V ~ 3.6V | 2.3V ~ 3.6V | 2.3V ~ 3.6V | 2.3V ~ 3.6V |
| Core Processor | MIPS32® M4K™ | MIPS32® M4K™ | MIPS32® M4K™ | MIPS32® M4K™ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 64K x 8 | 32K x 8 | 64K x 8 | 32K x 8 |
| Connectivity | I²C, IrDA, LINbus, PMP, SPI, UART/USART, USB OTG | Ethernet, I²C, SPI, UART/USART, USB OTG | CANbus, Ethernet, I²C, SPI, UART/USART, USB OTG | I²C, IrDA, LINbus, PMP, SPI, UART/USART, USB OTG |
| Data Converters | A/D 28x10b | A/D 16x10b | A/D 16x10b | A/D 28x10b |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Program Memory Size | 256KB (256K x 8) | 64KB (64K x 8) | 512KB (512K x 8) | 128KB (128K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| 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 .
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