PIC32MX154F128B-I/MM Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip PIC32MX154F128B-I/MM is a 32-bit PIC32 microcontroller with 128KB Flash, 32KB RAM, and 50MHz max clock in a 28-pin QFN package. Features 3 comparators, CTMU, RTCC, DMA, and 12KB boot flash. Available from stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX154F128B-I/MM Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.7700(MOQ 5)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32-bit MIPS-based PIC32 core running up to 50 MHz for high-performance embedded control
- 128KB Flash plus 12KB boot flash and 32KB RAM enabling complex firmware in a compact 28-pin QFN-S package
- Integrated CTMU (Charge Time Measurement Unit) for capacitive touch sensing and temperature measurement
- Real-Time Clock/Calendar (RTCC) and DMA channels for time-keeping and efficient peripheral data transfers
Applications
The PIC32MX154F128B-I/MM is suited for embedded control systems requiring 32-bit performance in a compact footprint, such as industrial sensor interfaces, home automation controllers, and consumer appliance firmware. Its CTMU capability makes it ideal for capacitive touch panel designs, while the RTCC and DMA channels support data-logging and time-aware IoT edge nodes. The 28-pin QFN package is commonly used in space-constrained PCB designs for wearable and portable equipment.
Specifications
| Manufacturer Package Code | QFN-S-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 18 |
| Has ADC | YES |
| Additional Feature | 12 KB BOOT FLASH MEMORY AVAILABLE |
| Bit Size | 32 |
| CPU Family | PIC32 |
| Clock Frequency-Max | 50MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQCC-N28 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 21 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC28,.24SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 72MHz |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the Flash and RAM sizes of PIC32MX154F128B-I/MM and how much boot flash is available?
The PIC32MX154F128B-I/MM provides 128KB of program Flash memory, 32KB of RAM, and an additional 12KB boot flash region. This combination supports complex firmware images with over-the-air update capability, making it well-suited for connected IoT devices and embedded industrial controllers.
Can PIC32MX154F128B-I/MM be used for capacitive touch sensing applications?
Yes, the PIC32MX154F128B-I/MM integrates a CTMU (Charge Time Measurement Unit) that supports capacitive touch sensing, proximity detection, and precision timing measurements. Combined with its 50 MHz MIPS core and 32KB RAM, it can handle multi-channel touch panel scanning with sufficient processing headroom for display and UI tasks.
What package does PIC32MX154F128B-I/MM use and what are the pin count implications for PCB layout?
PIC32MX154F128B-I/MM comes in a 28-pin QFN-S package (QFN-S-28), which offers a compact surface-mount footprint with exposed pad thermal relief. The 28-pin configuration provides up to 21 GPIO pins alongside dedicated communication and peripheral I/O, enabling dense PCB layouts for space-constrained portable and wearable designs.
When should a designer consider PIC32MX154F128B-I/MM over a lower-end 8-bit PIC microcontroller?
PIC32MX154F128B-I/MM is preferred when an application requires 32-bit data processing, more than 64KB Flash, DMA-assisted data transfers, or RTCC for real-time clock functions. Applications such as multi-channel sensor fusion, USB device interfaces, or RTOS-based firmware benefit from its 50 MHz MIPS core and larger 32KB RAM compared to typical 8-bit PIC devices with 4KB to 16KB RAM.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $5.2700 | $26.35 |
| 25+ | $4.9200 | $123.00 |
| 100+ | $4.3100 | $431.00 |
| 1000+ | $3.9600 | $3960.00 |
| 5000+ | $3.7700 | $18850.00 |
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