PIC24FJ256GA406-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
The PIC24FJ256GA406-I/PT is a 16-bit PIC24 microcontroller from Microchip running at up to 32 MHz with 256 KB flash, integrated ADC, DAC, DMA, and boundary scan. Housed in a 64-pin TQFP package, it suits industrial control, metering, and embedded HMI applications requiring mid-range processing with rich analog and communication peripherals.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- PIC24FJ256GA406-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 16-bit PIC24 CPU core running up to 32 MHz for efficient real-time embedded control
- 256 KB on-chip Flash enabling large firmware images including communication protocol stacks
- Integrated ADC and DAC channels for on-chip analog signal acquisition and generation
- DMA channels for background data transfers reducing CPU loading in data-intensive applications
- Boundary scan (JTAG-compatible) supporting automated in-circuit production test
- 64-pin TQFP-64 package providing ample GPIO and peripheral pins for complex system designs
Applications
The PIC24FJ256GA406-I/PT is used in smart energy meters, industrial automation controllers, and embedded HMI displays where a 16-bit architecture with 256 KB flash supports complex control algorithms alongside USB, CAN, or Ethernet communication stacks. It also appears in medical monitoring equipment, environmental sensing stations, and building automation modules where the combination of ADC, DAC, DMA, and 64-pin I/O allows a single-chip design without external logic or analog ICs.
Specifications
| Manufacturer Package Code | TQFP-64 |
| Factory Lead Time | 7Weeks |
| YTEOL | 13 |
| Has ADC | YES |
| Bit Size | 16 |
| Boundary Scan | YES |
| CPU Family | PIC24 |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQFP-G64 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 6 |
| Number of External Interrupts | 5 |
| Number of I/O Lines | 53 |
| Number of Serial I/Os | 3 |
| Number of Timers | 15 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP64,.47SQ |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
| RAM (bytes) | 16384 |
| RAM (words) | 8192 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 32MHz |
| Supply Current-Max | 9mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC24FJ256GA406-I/PT Alternates Showing results | Image |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.20 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC24FJ256GA406-I/PT:
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 16-Bit, FLASH, PIC24 CPU, 32MHz, CMOS, PQFP64
RISC Microcontroller, 16-Bit, FLASH, PIC24 CPU, 32MHz, CMOS, PQFP64
RISC Microcontroller, 16-Bit, FLASH, PIC24 CPU, 32MHz, CMOS, PQFP64
16-bit, 16 MIPS, 64KB Flash, 8KB RAM, LCD Drive, 53 I/O, nanoWatt XLP
RISC Microcontroller, 16-Bit, FLASH, PIC24 CPU, 32MHz, CMOS, PQFP64
RISC Microcontroller, 16-Bit, FLASH, PIC24 CPU, 32MHz, CMOS, PQFP64
Frequently Asked Questions
What clock speed and flash capacity does PIC24FJ256GA406-I/PT offer for firmware-intensive control applications?
PIC24FJ256GA406-I/PT runs at up to 32 MHz and provides 256 KB of on-chip Flash, which accommodates full communication protocol stacks such as USB, I2C master, and SPI alongside application code for industrial controllers. The 16-bit PIC24 core delivers up to 16 MIPS throughput, making it suitable for real-time signal processing and multi-channel data acquisition tasks.
How does the integrated DMA in PIC24FJ256GA406-I/PT improve performance in multi-channel ADC data logging?
DMA channels in PIC24FJ256GA406-I/PT allow ADC conversion results and UART/SPI receive data to be transferred directly to SRAM buffers without CPU interrupt overhead. In a 4-channel analog logging application sampling at 10 kHz per channel, DMA handles all 40,000 transfers per second while the 32 MHz CPU executes filtering and communication algorithms without interrupt latency stacking.
For production testing, how does boundary scan support on PIC24FJ256GA406-I/PT reduce fixture cost?
Boundary scan (JTAG-compatible) access in PIC24FJ256GA406-I/PT allows automated test equipment to verify board interconnect on the 64-pin TQFP without a bed-of-nails fixture contacting every fine-pitch lead. This reduces fixture cost by eliminating custom probe cards for fine 0.5 mm pitch pads and speeds up new board bring-up by enabling structural test of TQFP-64 solder joints during manufacturing.
When should a designer choose PIC24FJ256GA406-I/PT over PIC24HJ128GP210 for a new design?
PIC24FJ256GA406-I/PT is the better choice when 256 KB flash is needed versus the 128 KB of PIC24HJ128GP210, or when the design requires integrated DAC channels that the HJ series lacks. The FJ series also often has lower active-mode current at 32 MHz compared to the HJ's 40 MHz operation, which benefits battery-powered or energy-harvesting applications where average current consumption below 10 mA is critical.
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