PIC24FJ64GA106T-I/PT - 16-bit 32MHz 64KB Flash MCU | Microchip
MPN: PIC24FJ64GA106T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.92 | $39.20 |
| 100 | $3.66 | $366.00 |
| 500 | $3.3 | $1,650.00 |
| 1,000 | $2.95 | $2,950.00 |
PIC24FJ64GA106T-I/PT Overview
A 16-bit microcontroller is a CPU core that operates on 16-bit-wide data paths and registers, sitting architecturally between 8-bit MCUs and 32-bit ARM Cortex-M cores. The PIC24F family uses a modified Harvard RISC architecture with 16 working registers and 24-bit instruction words, delivering deterministic interrupt response and 16 MIPS performance at 32 MHz. Within the broader semiconductor taxonomy, PIC24F parts belong to the microcontrollers (MCU) class, which itself falls under embedded processors and microcontrollers, integrated circuits, and semiconductors. Compared with 32-bit Cortex-M0+ MCUs, PIC24F parts trade raw arithmetic throughput for lower active power, lower cost per pin, and simpler toolchains (MPLAB X + XC16).
Key specifications include 64 KB (22K x 24) Flash, 16 KB SRAM, 84 I/O, 53 digital I/O pins, nanoWatt sleep modes, an internal 8 MHz RC oscillator with PLL support, multiple 16-bit and 32-bit timers/counters, a 10-bit 1 Msps ADC with up to 16 channels, and a 16-bit parallel master port on select pinouts. The I variant specifies the industrial -40C to +85C temperature range, and the T suffix denotes tape-and-reel packaging.
Typical applications include industrial sensing and control nodes, USB-less human-interface devices, sensor hubs, automotive body/comfort LIN nodes, low-power data loggers, and portable consumer electronics. Its 53 I/O and 4xUART make it particularly well suited as a multi-protocol bridge or multi-sensor aggregator. The wide -40C to +85C industrial range also supports outdoor and factory-floor deployments.
When designing with this part, ensure the selected oscillator mode matches the application's EMI and power budget, and verify that the 53 available I/Os are sufficient for your signal-routing needs (the 64-pin TQFP exposes a subset of the 84-pin device's peripheral pins). Program via ICSP using any MPLAB debugger (PICkit, ICD, MPLAB Snap).
This page synthesizes distributor pricing (as of 2026-09-30), drop-in alternatives within the PIC24F family, and practical design notes not consolidated on any single distributor page.
Drop-in alternatives for PIC24FJ64GA106T-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 PIC24FJ64GA106T-I/PT (same form factor and footprint) — differing in Package, Operating Temperature, ADC, Core, Maximum CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ64GA106-I/PT
✅ Drop-In✓ In Stock
$4.24 / Unit
View Datasheet →PIC24FJ64GA106-E/PT
✅ Drop-In✓ In Stock
$2.98 / Unit
View Datasheet →PIC24FJ128GA106-I/PT
✅ Drop-In✓ In Stock
$4.88 / Unit
View Datasheet →PIC24FJ128GB106-I/PT
✅ Drop-In✓ In Stock
$4.54 / Unit
View Datasheet →PIC24FJ64GB106-I/PT
✅ Drop-In✓ In Stock
$3.18 / Unit
View Datasheet →PIC24FJ64GA106T-I/PT Maximum Ratings & Electrical Characteristics
| Series | PIC24F |
| Core Architecture | 16-bit PIC modified Harvard RISC |
| Core Size | 16-bit |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 64 KB (22K x 24) |
| RAM | 16 KB |
| Total I/O Pins | 84 |
| General-Purpose I/O | 53 |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial, I grade) |
| Package | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| I2C Peripherals | 3 |
| SPI Peripherals | 3 |
| UART Peripherals | 4 |
| ADC | 10-bit, 1 Msps, up to 16 channels |
| Timers | 23 independent timers |
| Standby Current | <100 nA (nanoWatt sleep) |
| ICSP / Debug | Yes (PICKit, ICD, MPLAB Snap) |
| RoHS | Compliant (PT suffix) |
PIC24FJ64GA106T-I/PT 64-pin tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for PIC24FJ64GA106T-I/PT (64-pin tqfp (10x10 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC24FJ64GA106T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24FJ64GA106T-I/PT is suitable for 7 applications: Industrial Sensor Hub / Multi-Protocol Bridge, Low-Power Data Logger / Battery Sensor Node, Automotive Body/Comfort LIN Node, Human-Machine Interface (HMI) Controller, Portable Consumer Electronics, Medical Monitoring Device (Non-Critical), IoT Sensor Edge Node.
Industrial Sensor Hub / Multi-Protocol Bridge
The PIC24FJ64GA106T-I/PT's 4x UART, 3x SPI, and 3x I2C make it ideal as an industrial sensor hub aggregating data from multiple sensor types over different protocols. The 16 KB RAM provides ample buffering for incoming telemetry streams while the 32 MHz core runs parsing and forwarding logic without bottlenecking. Its -40C to +85C industrial temperature range supports deployment in factory-floor enclosures and outdoor sensor boxes. Designers typically place the MCU on a 3.3 V LDO rail, expose UART to RS-485 transceivers, and use SPI to drive sensor front-ends - the part's 53 I/O pins comfortably support these interfaces alongside status LEDs and configuration switches.
Recommended
Low-Power Data Logger / Battery Sensor Node
With nanoWatt sleep modes drawing under 100 nA standby current, the PIC24FJ64GA106T-I/PT fits battery-powered data loggers that wake periodically, sample sensors, store to Flash, and return to sleep. The 64 KB Flash accommodates weeks of timestamped sensor records while the 16-bit ADC (10-bit, 1 Msps) handles temperature, voltage, and analog transducer measurements. Typical circuits run the MCU from a 3.6 V Li-SOCl2 cell with the internal 8 MHz RC oscillator and a 32.768 kHz crystal for RTC-based wake scheduling - achieving years of operating life on a single primary cell in remote environmental monitoring.
Recommended
Automotive Body/Comfort LIN Node
The PIC24FJ64GA106T-I/PT's integrated LINbus peripheral and industrial temperature range position it for non-safety automotive body electronics such as window lift nodes, seat controllers, mirror adjusters, and interior lighting. The 4x UART allows simultaneous LIN master/slave communication plus a debug UART link. The 32 MHz core runs the LIN 2.x stack with comfortable headroom while nanoWatt sleep modes support key-off quiescent current budgets required by automotive OEM specifications. Designers typically pair this MCU with an MCP2021 LIN transceiver and route through 12 V battery with reverse-battery protection.
Recommended
Human-Machine Interface (HMI) Controller
HMI panels combining keypads, character LCDs, rotary selectors, and status LEDs benefit from the PIC24FJ64GA106T-I/PT's 53 I/O and abundant serial interfaces. The 16 KB RAM supports display buffer management while 64 KB Flash accommodates multi-language menu firmware and state machines. Designers typically drive character LCDs via GPIO, scan matrix keypads using timer interrupts, and use SPI/I2C for additional LED drivers or capacitive touch controllers. The MCU's 32 MHz performance allows smooth menu navigation without perceptible latency even with debounce and beeper control in the main loop.
Recommended
Portable Consumer Electronics
Battery-powered fitness wearables, e-readers, and consumer gadgets benefit from the PIC24FJ64GA106T-I/PT's nanoWatt technology, 2.0-3.6 V supply range, and ample peripheral mix. The 16 MIPS performance drives small TFT displays and audio cue generation while low standby current extends battery life between charges. Its compact 64-pin TQFP package fits handheld form factors and the integrated IrDA peripheral supports line-of-sight data exchange between consumer devices. Typical designs use the MCU with a small Li-Ion cell, switching regulator, and SPI-driven TFT or segment display.
Recommended
Medical Monitoring Device (Non-Critical)
For non-implantable, non-life-support medical monitoring such as pulse oximeters, digital thermometers, spirometers, and personal health trackers, the PIC24FJ64GA106T-I/PT delivers reliable 16-bit performance with industrial temperature tolerance. Its 10-bit ADC handles sensor signal conditioning for heart-rate, SpO2, and respiration monitoring while the 16 KB RAM buffers waveforms for on-device display. Designers typically pair the MCU with analog front-end ICs over SPI, drive small OLED/LCD readouts, and use I2C to communicate with wireless modules for telemetry to phones or caregivers.
Recommended
IoT Sensor Edge Node
The PIC24FJ64GA106T-I/PT serves as an IoT edge node MCU aggregating sensors and forwarding data via UART-attached Wi-Fi/BLE modules. Its 53 I/O accommodates many GPIO-controlled analog sensors, the 16 MIPS core runs local filtering and decision logic, and nanoWatt sleep modes extend battery life in remote deployments. Designers typically combine this MCU with an ESP32 or RN4871 over UART, use I2C for environmental sensors (temperature, humidity, gas), and gate radio power via GPIO to minimize total system quiescent current during sleep cycles.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ64GA106T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ64GA106-I/PT | PIC24FJ64GA106-E/PT | PIC24FJ128GA106-I/PT | PIC24FJ128GB106-I/PT | PIC24FJ64GB106-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB | 64 KB | 64 KB | 128 KB | 128 KB | 64 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| USB Peripheral | No | No | No | No | Yes (USB OTG) | Yes (USB OTG) |
| Packaging Format | Tape & Reel (T) | Tray | Tray | Tray | Tray | Tray |
| Approx. 1200-unit Price (USD, as of 2026-09-30) | $3.83 | $3.83 | $4.20 | $4.45 | $4.65 | $4.10 |
Key Differentiators
- Largest pin count and I/O count in the GA106 Flash range (vs PIC24FJ64GA104-I/PT)
- Optional extended-temperature variant in same footprint (vs PIC24FJ64GA106-E/PT)
- No-USB cost optimization in the GA (general) family (vs PIC24FJ64GB106-I/PT)
Design Notes
Estimated: at 32 MHz active mode with all peripherals enabled, the PIC24FJ64GA106T-I/PT draws roughly 15-20 mA from a 3.3 V supply; in nanoWatt Sleep it falls below 100 nA. For battery-powered designs, gate peripheral power (sensors, radios) via GPIO so they can be shut down when the MCU sleeps - this typically yields 5-10x longer battery life than leaving peripherals always-on. Use a low-Iq LDO (such as TPS7A02) or a switching regulator with low quiescent current to avoid stealing from your nanoWatt savings.
Place decoupling capacitors (100 nF ceramic + 10 uF bulk) within 5 mm of each VDD/VSS pair on the TQFP-64 footprint. Provide a continuous ground plane on the layer beneath the MCU to minimize EMI from the 32 MHz oscillator and to support clean analog ADC readings. Route the 32.768 kHz crystal traces short and symmetric, with guard traces to analog signals if RTC accuracy matters for time-stamping. Keep ICSP programming signals (PGECx, PGEDx, MCLR) accessible on test pads or a header for production programming.
When routing SPI signals above 10 MHz to SD cards or fast peripherals, add 33 ohm series resistors near the source to control edge rates and minimize ringing. For I2C buses with multiple devices, calculate total pull-up strength to meet the rise-time budget at the highest capacitive load - typical 4.7 kohm pull-ups work for short traces, but reduce to 2.2 kohm for bus lengths over 100 mm. Keep analog ADC traces away from switching signals and consider using the dedicated VREF+ pin when ADC accuracy below 10 LSB is required.
Do not configure an analog pin as both ADC input and digital output - this can permanently damage the input structure. Always configure unused I/O as outputs (not inputs) to prevent shoot-through current. When using the internal 8 MHz Fast RC oscillator, verify that the PLL settings match your application's EMI budget - some applications require a slower core frequency to meet radiated emissions standards. Finally, always assert MCLR through a proper reset circuit (10 kohm pull-up + 100 nF cap) or use the internal MCLR configuration per datasheet section 7 to avoid spurious resets.
Compliance Information
RoHS and REACH compliance inferred from PT suffix and Microchip product family documentation. AEC-Q100 qualification not required for general-purpose MCU use; industrial I grade (-40C to +85C) specified.
