PIC24FJ64GA104-I/PT - 16-bit nanoWatt XLP MCU, 64KB Flash | Microchip
MPN: PIC24FJ64GA104-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.18 | $6.18 |
| 10 | $5.62 | $56.20 |
| 100 | $4.95 | $495.00 |
| 500 | $4.42 | $2,210.00 |
| 1,000 | $3.97 | $3,970.00 |
PIC24FJ64GA104-I/PT Overview
A 16-bit microcontroller (MCU) is an embedded processor with a 16-bit data path and instruction word, offering a balance between 8-bit simplicity and 32-bit performance. The PIC24F family specifically targets low-power applications using Microchip's nanoWatt XLP technology, which enables sleep currents in the nanoampere range. The PIC24FJ64GA104-I/PT occupies the middle tier of the PIC24F portfolio with peripheral pin select (PPS) flexibility, allowing digital peripheral routing at runtime to optimize PCB layout.
Key features include 64 KB Flash, 8 KB RAM, up to 16 MIPS CPU throughput, hardware multiply/divide, multiple communication peripherals (UART, SPI, I2C), 10/12-bit ADC channels, nanoWatt XLP power-saving modes, and real-time clock/calendar support. The 44-pin TQFP package offers generous I/O count for mixed-signal designs. Operating voltage spans 2.0V to 3.6V, with industrial -40C to +85C temperature range for the -I variant.
The PIC24FJ64GA104-I/PT uses a Harvard architecture with separate program and data buses, enabling single-cycle instruction fetch and execution. Internal PLL multiplies the 8 MHz oscillator to 32 MHz. The Peripheral Pin Select (PPS) feature remappable I/O dramatically simplifies PCB routing for complex applications. Code protection and ICSP (In-Circuit Serial Programming) support streamline production programming and field updates.
Typical applications include portable medical devices, IoT sensor nodes, industrial control, battery-powered instrumentation, USB peripherals, HMI displays, and consumer electronics requiring low-power 16-bit processing with ample Flash for application code. The XLP technology makes it ideal for energy harvesting applications and remote sensors with multi-year battery life targets.
Design consideration: leverage the PIC24F's nanoWatt XLP sleep modes aggressively to achieve <1 uA standby current. Use PPS to route peripherals to convenient package pins, reducing PCB layers and trace congestion. The Explorer 16/32 development board with a PIC24FJ64GA104 PIM (MA240020) accelerates prototyping.
This page synthesizes distributor pricing, drop-in same-family alternatives from the Microchip PIC24F portfolio, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24FJ64GA104-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC24FJ64GA104-I/PT (same form factor and footprint) — differing in Package, ADC, Core Architecture, Timers, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ128GA104-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FJ128GA110-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.1 / Unit
View Datasheet →PIC24FJ64GA106T-I/PT
✅ Drop-In✓ In Stock
$2.95 / Unit
View Datasheet →PIC24FJ256GA110-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.61 / Unit
View Datasheet →PIC24FJ256GB110-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.62 / Unit
View Datasheet →PIC24FJ64GA104-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC24F 16-bit RISC |
| Program Memory | 64 KB Flash (22K x 24) |
| RAM | 8 KB |
| Maximum CPU Speed | 16 MIPS (32 MHz) |
| Operating Voltage | 2.0 V to 3.6 V |
| Package | 44-pin TQFP (PT) 10x10 mm |
| Operating Temperature | -40 C to +85 C (industrial, -I suffix) |
| Communication Peripherals | UART, SPI, I2C (peripheral count and instances - see datasheet) |
| Hardware Multiplier | 16 x 16 single-cycle |
| Hardware Divider | 32 / 16-bit |
| Power-Saving Technology | nanoWatt XLP |
| Peripheral Pin Select (PPS) | Yes |
| Programming | ICSP (In-Circuit Serial Programming) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC24FJ64GA104-I/PT Pin Configuration
| Pin 1 | RP5/RB5 — Remappable I/O / Port B bit 5 |
| Pin 2 | RP6/RB6 — Remappable I/O / Port B bit 6 |
| Pin 3 | RP7/RB7 — Remappable I/O / Port B bit 7 |
| Pin 4 | RP8/RB8 — Remappable I/O / Port B bit 8 |
| Pin 5 | RP9/RB9 — Remappable I/O / Port B bit 9 |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — Positive supply voltage (2.0V-3.6V) |
| Pin 8 | RP10/RB10 — Remappable I/O / Port B bit 10 |
| Pin 9 | RP11/RB11 — Remappable I/O / Port B bit 11 |
| Pin 10 | RP12/RB12 — Remappable I/O / Port B bit 12 |
| Pin 11 | RP13/RB13 — Remappable I/O / Port B bit 13 |
| Pin 12 | RP14/RB14 — Remappable I/O / Port B bit 14 |
| Pin 13 | RP15/RB15 — Remappable I/O / Port B bit 15 |
| Pin 14 | VDD — Positive supply voltage (2.0V-3.6V) |
| Pin 15 | VSS — Ground reference |
| Pin 16 | OSC1/RC0 — Crystal oscillator input / Port C bit 0 |
| Pin 17 | OSC2/RC1 — Crystal oscillator output / Port C bit 1 |
| Pin 18 | RC2 — Port C bit 2 |
| Pin 19 | RC3 — Port C bit 3 |
| Pin 20 | RC4 — Port C bit 4 |
| Pin 21 | RC5 — Port C bit 5 |
| Pin 22 | VDD — Positive supply voltage (2.0V-3.6V) |
| Pin 23 | VSS — Ground reference |
| Pin 24 | RC6 — Port C bit 6 |
| Pin 25 | RC7 — Port C bit 7 |
| Pin 26 | RC8 — Port C bit 8 |
| Pin 27 | RC9 — Port C bit 9 |
| Pin 28 | RD0 — Port D bit 0 |
| Pin 29 | RD1 — Port D bit 1 |
| Pin 30 | RD2 — Port D bit 2 |
| Pin 31 | RD3 — Port D bit 3 |
| Pin 32 | RD4 — Port D bit 4 |
| Pin 33 | RD5 — Port D bit 5 |
| Pin 34 | RD6 — Port D bit 6 |
| Pin 35 | RD7 — Port D bit 7 |
| Pin 36 | RD8 — Port D bit 8 |
| Pin 37 | RD9 — Port D bit 9 |
| Pin 38 | RD10 — Port D bit 10 |
| Pin 39 | RD11 — Port D bit 11 |
| Pin 40 | RD12 — Port D bit 12 |
| Pin 41 | RD13 — Port D bit 13 |
| Pin 42 | RD14 — Port D bit 14 |
| Pin 43 | RD15 — Port D bit 15 |
| Pin 44 | MCLR — Master Clear (reset) input, active-low |
Typical Applications
PIC24FJ64GA104-I/PT is suitable for 7 applications: Portable Medical Devices, IoT Sensor Nodes, Industrial Control Systems, USB Peripherals and HID Devices, HMI Display Panels, Battery-Powered Instrumentation, Consumer Electronics.
Portable Medical Devices
The PIC24FJ64GA104-I/PT is well-suited for portable medical devices such as glucose meters, pulse oximeters, and handheld diagnostic tools. Its nanoWatt XLP technology enables sub-1 uA sleep current, allowing multi-year battery life on 2x AA cells. The 16 MIPS performance handles signal conditioning and ADC sampling for biosensors, while 64 KB Flash accommodates wireless stack integration for Bluetooth Low Health-Energy profiles. Compared to 8-bit alternatives, the PIC24FJ64GA104-I/PT offers hardware 16x16 multiply for real-time FFT-based heart rate variability analysis. The 44-pin TQFP package provides ample I/O for TFT displays, touch sensors, and analog front-end ICs.
Recommended
IoT Sensor Nodes
For battery-powered IoT sensor nodes, the PIC24FJ64GA104-I/PT delivers an excellent balance of processing power and ultra-low-power consumption. The nanoWatt XLP technology combined with the PIC24F core's 16 MIPS performance allows sensor data acquisition, local processing, and wireless transmission while maintaining sleep currents in the nanoampere range. The 64 KB Flash accommodates LoRaWAN, Zigbee, or proprietary RF protocol stacks. Engineers typically achieve 3-5 year battery life on a single CR2032 coin cell with proper sleep-cycle management. The Peripheral Pin Select (PPS) feature simplifies routing SPI/I2C interfaces to multiple sensors on the same PCB.
Recommended
Industrial Control Systems
The PIC24FJ64GA104-I/PT serves industrial control applications including PLC I/O modules, sensor signal conditioners, motor control peripherals, and HMI panels. Its industrial -40C to +85C operating temperature range suits factory-floor environments, while 64 KB Flash accommodates Modbus, CAN, or EtherCAT communication protocol stacks. The 16 MIPS performance handles PID control loops at sub-millisecond intervals, and the hardware 16x16 multiplier accelerates digital filter computations for sensor signal conditioning. Compared to higher-end 32-bit MCUs, the PIC24FJ64GA104-I/PT offers cost-effective processing with full Microchip ecosystem support including MPLAB X IDE and XC16 compiler.
Recommended
USB Peripherals and HID Devices
While the PIC24FJ64GA104-I/PT does not include a built-in USB peripheral, it serves as the host controller in USB peripheral applications through external PHY chips or as the local controller paired with USB-capable PIC24FJ variants. The 16 MIPS performance handles USB enumeration, HID report generation, and CDC class protocol processing. Designers often pair the PIC24FJ64GA104-I/PT with USB-serial bridge ICs or use it as a co-processor alongside a USB-capable MCU. The 64 KB Flash accommodates USB stack libraries, and 8 KB RAM provides buffer space for HID reports.
Recommended
HMI Display Panels
For human-machine interface (HMI) panels with TFT or OLED displays, the PIC24FJ64GA104-I/PT provides sufficient processing throughput to drive graphical user interfaces at reasonable frame rates. The 44-pin TQFP package exposes enough I/O for parallel display interfaces, touch controllers, and rotary encoders. With 64 KB Flash, designers can integrate graphics libraries and font tables directly. The Peripheral Pin Select feature allows flexible pin assignment for display data lines, control signals, and backlight PWM generation. Compared to higher-pin-count PIC24FJ variants, the GA104 in TQFP-44 offers cost-effective processing for sub-3.5 inch displays.
Recommended
Battery-Powered Instrumentation
The PIC24FJ64GA104-I/PT excels in battery-powered test and measurement instruments such as digital multimeters, handheld oscilloscopes, and data loggers. The nanoWatt XLP technology achieves sleep currents under 1 uA, enabling multi-year battery life in intermittently-active data logging applications. The 16 MIPS performance handles ADC sampling, FFT calculations, and graphical LCD updates simultaneously. With 64 KB Flash, designers integrate calibration routines, measurement firmware, and USB data export. The 2.0V-3.6V operating range supports direct connection to 3V lithium battery chemistries without additional regulation.
Recommended
Consumer Electronics
For consumer electronics such as remote controls, smart home devices, fitness wearables, and electronic toys, the PIC24FJ64GA104-I/PT provides cost-effective 16-bit processing with the reliability of Microchip's PIC architecture. The nanoWatt XLP technology enables coin-cell battery operation in remote controls and wearables. The 64 KB Flash accommodates manufacturer-specific firmware features, while 8 KB RAM supports small user interfaces and protocol stacks. The 44-pin TQFP package fits standard consumer electronics form factors and supports automated SMT assembly.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ64GA104-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ128GA104-I/PT | PIC24FJ128GA110-I/PT | PIC24FJ64GA106T-I/PT | PIC24FJ256GA110-I/PT | PIC24FJ256GB110-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (PT) 10x10 mm | TQFP-44 (PT) 10x10 mm | TQFP-44 (PT) 10x10 mm | TQFP-44 (PT) 10x10 mm | TQFP-44 (PT) 10x10 mm | TQFP-44 (PT) 10x10 mm |
| Flash Memory | 64 KB | 128 KB | 128 KB | 64 KB | 256 KB | 256 KB |
| RAM | 8 KB | 8 KB | 16 KB | 8 KB | 16 KB | 16 KB |
| Core / MIPS | PIC24F, 16 MIPS at 32 MHz | PIC24F, 16 MIPS | PIC24F, 16 MIPS | PIC24F, 16 MIPS | PIC24F, 16 MIPS | PIC24F, 16 MIPS |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| nanoWatt XLP Sleep | Yes | Yes | Yes | Yes | Yes | Yes |
| USB Peripheral | No | No | Yes (USB 2.0 FS) | No | Yes (USB 2.0 FS) | Yes (USB 2.0 FS OTG) |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- nanoWatt XLP technology with sub-uA sleep currents (vs PIC24FJ256GB110-I/PT)
- Cost-optimized 64 KB Flash tier in TQFP-44 (vs PIC24FJ128GA104-I/PT)
- Compact TQFP-44 package with full PIC24F feature set (vs PIC24FJ32GA104-I/PT)
Design Notes
The PIC24FJ64GA104-I/PT operates from 2.0V to 3.6V with nanoWatt XLP technology. For battery-powered applications, use the device's deep-sleep modes aggressively - disable unused peripherals via PMDx registers and configure unused I/O pins as outputs driving low to minimize current leakage. Estimated: with all peripherals disabled and the RTCC running from a 32.768 kHz crystal, sleep current can reach ~20-100 nA per the Microchip datasheet 39951C, enabling multi-year coin-cell operation.
When designing the PCB for the TQFP-44 package (10x10 mm, 0.8 mm pitch), follow Microchip's recommended land pattern with proper thermal relief on the ground pad. Place decoupling capacitors (100 nF ceramic + 10 uF bulk) within 5 mm of each VDD pin to suppress switching noise. For high-speed signals, maintain 50-ohm controlled impedance traces and avoid routing analog signals (ADC inputs) parallel to digital switching lines to minimize crosstalk. PPS remapping can simplify layout by allowing peripheral pin reassignment post-PCB design.
Common design pitfalls with the PIC24FJ64GA104-I/PT include: (1) Not connecting all VSS pins and VDD pins - per Microchip datasheet 39951C, all power pins must be connected even if some are not used for the design; (2) Configuring the DISVREG pin incorrectly when using an external regulator instead of the internal one - refer to the datasheet for alternative DISVREG pin connections; (3) Failing to disable unused peripherals before entering sleep, which can prevent proper low-power entry; (4) Exceeding the absolute maximum voltage of 4.0V on any I/O pin - always include clamping diodes or TVS protection for externally exposed interfaces.
For ICSP programming and in-circuit debugging, expose the PGC (clock) and PGD (data) pins plus MCLR on the PCB with test points or header access. The 44-pin TQFP provides sufficient area for a standard 6-pin ICSP header footprint. Keep the ICSP traces short (<50 mm) and route them away from high-current switching nodes to avoid programming errors. If using PPS for peripheral remapping, document the assignment table in firmware comments to simplify future code maintenance and debug sessions.
Compliance Information
RoHS-compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - this is a general-purpose MCU, not automotive-grade. For automotive applications, consider PIC24FJ64GA104-I/PT variants with extended qualification.