PIC24FJ64GA102T-I/SS - 16-bit 32MHz 64KB Flash MCU | Microchip
MPN: PIC24FJ64GA102T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.94 | $1,470.00 |
| 1,000 | $2.65 | $2,650.00 |
PIC24FJ64GA102T-I/SS Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (FLASH/ROM), working memory (RAM), and peripherals on one die. PIC24F sits in the 16-bit MCU hierarchy between 8-bit PIC16/PIC18 and 32-bit PIC32 parts, and the nanoWatt XLP variants specialize in deep-sleep current under 1 µA for battery-powered applications.
Key features of the PIC24FJ64GA102T-I/SS include 16 MIPS performance at 32 MHz, a 10-channel 10-bit ADC, multiple timers, UART/SPI/I2C peripherals, an internal oscillator, and an industrial -40 °C to +85 °C operating range. The "T" suffix denotes tape-and-reel packaging and "I" denotes the industrial temperature grade.
The PIC24F core uses a 16-bit modified Harvard architecture with a hardware multiply, 16 working registers, and a deterministic instruction set that simplifies C and assembly development under MPLAB X IDE and XC16 compiler. Compared with older PIC18 designs, PIC24F delivers roughly 5x the MIPS at similar clock rates and supports larger linear code models.
Typical applications include battery-powered IoT sensors, consumer electronics HMI controls, industrial sensor conditioning, portable medical accessories, and USB/HID peripherals. The 28-SSOP footprint is a common hobbyist and industrial surface-mount format that simplifies prototyping on Explorer 16/32 development boards and PIM modules.
When designing with this part, plan I/O budgeting for 21 GPIO pins and ensure the ICSP/PGD/PGC programming pins remain accessible for in-circuit serial programming. Use MPLAB X IDE with the XC16 compiler for code development and pick a PICkit, Snap, or ICD programmer for production programming.
This page synthesizes distributor pricing, same-brand drop-in alternatives from the PIC24FJ64GA family, and practical design notes not aggregated on any single manufacturer or distributor page.
Drop-in alternatives for PIC24FJ64GA102T-I/SS — 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 PIC24FJ64GA102T-I/SS (same form factor and footprint) — differing in ADC, Package, Operating Temperature, Timers, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ64GA102-I/SS
✅ Drop-In✓ In Stock
$2.1 / Unit
View Datasheet →PIC24FJ64GA102-I/ML
✅ Drop-In✓ In Stock
$2.42 / Unit
View Datasheet →PIC24FJ64GA102T-I/ML
✅ Drop-In✓ In Stock
$3.27 / Unit
View Datasheet →PIC24FJ64GA002-I/SS
✅ Drop-In✓ In Stock
$2.51 / Unit
View Datasheet →PIC24FJ32GA102-I/SS
✅ Drop-In✓ In Stock
$2.4 / Unit
View Datasheet →PIC24FJ64GA102T-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit modified Harvard |
| Series | PIC® XLP™ 24F (PIC24FJ64GA102 family) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (FLASH) | 64 KB (22K x 24 words) |
| Data RAM | 8 KB |
| Operating Voltage Range | 2.0 V to 3.6 V |
| General-Purpose I/O Pins | 21 |
| ADC | 10-bit, 10 channels |
| Timers | 5x 16-bit |
| Communication Peripherals | 2x UART, 2x SPI, 2x I2C |
| Operating Temperature | -40 °C to +85 °C (Industrial) |
| Package | 28-pin SSOP |
| Mounting Type | Surface Mount |
| Low-Power Technology | nanoWatt XLP |
| RoHS Status | Compliant |
PIC24FJ64GA102T-I/SS Pin Configuration
| Pin 1 | RA0 — PORTA bit 0 (analog/digital I/O) |
| Pin 2 | RA1 — PORTA bit 1 |
| Pin 3 | RA2 — PORTA bit 2 |
| Pin 4 | RA3 — PORTA bit 3 |
| Pin 5 | RA4 — PORTA bit 4 |
| Pin 6 | RA5 — PORTA bit 5 |
| Pin 7 | RA6 — PORTA bit 6 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1 — Crystal oscillator input |
| Pin 10 | OSC2 — Crystal oscillator output |
| Pin 11 | RB0 — PORTB bit 0 |
| Pin 12 | RB1 — PORTB bit 1 |
| Pin 13 | RB2 — PORTB bit 2 |
| Pin 14 | RB3 — PORTB bit 3 |
| Pin 15 | RB4 — PORTB bit 4 |
| Pin 16 | RB5 — PORTB bit 5 |
| Pin 17 | RB6 — PORTB bit 6 (ICSP PGC) |
| Pin 18 | RB7 — PORTB bit 7 (ICSP PGD) |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply (2.0 V to 3.6 V) |
| Pin 21 | RC0 — PORTC bit 0 |
| Pin 22 | RC1 — PORTC bit 1 |
| Pin 23 | RC2 — PORTC bit 2 |
| Pin 24 | RC3 — PORTC bit 3 |
| Pin 25 | RC4 — PORTC bit 4 |
| Pin 26 | RC5 — PORTC bit 5 |
| Pin 27 | RC6 — PORTC bit 6 |
| Pin 28 | RC7 — PORTC bit 7 |
Typical Applications
PIC24FJ64GA102T-I/SS is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Industrial Sensor Conditioning, Consumer HMI Controls, Portable Medical Accessories, USB Human Interface Devices, Educational Development Boards, Automotive Body Electronics (Non-Safety).
Battery-Powered IoT Sensor Nodes
The PIC24FJ64GA102T-I/SS is a strong fit for battery-powered IoT sensor nodes thanks to nanoWatt XLP technology, which delivers deep-sleep currents in the nanoamp range - critical for coin-cell or 2xAA designs that must operate for years on a single battery. The 32 MHz 16 MIPS core runs the application quickly then returns to sleep, while the 10-channel 10-bit ADC reads temperature, humidity, and analog sensors before each radio wake event. The 2.0–3.6 V supply range matches 3.3 V coin-cell and Li-Po systems. Typical use case: a smart-home window sensor that wakes every 30 seconds, samples a magnetometer, and transmits over a sub-GHz radio. Designers should budget for ~21 GPIO including UART for radio, I2C for sensor, and one ADC channel for battery voltage monitoring.
Recommended
Industrial Sensor Conditioning
For industrial sensor conditioning, the PIC24FJ64GA102T-I/SS combines the industrial -40 °C to +85 °C temperature range with 10 ADC channels and 21 GPIO for interfacing analog transducers, op-amp front-ends, and digital sensors. The 16 MIPS throughput handles real-time linearization, moving-average filtering, and PID loops in assembly-line controllers. The 2.0–3.6 V range accepts regulated 3.3 V industrial rails, and the SSOP package supports robust conformal-coated designs. Typical use case: a 4–20 mA loop-powered temperature transmitter that amplifies a thermocouple, runs cold-junction compensation, and outputs an isolated analog signal. The on-chip UART supports RS-485 transceivers via external driver ICs for multidrop fieldbus networks.
Recommended
Consumer HMI Controls
The PIC24FJ64GA102T-I/SS suits consumer HMI controls like appliance keypads, white-goods displays, and USB-HID peripherals where cost and power efficiency matter. The 64 KB FLASH accommodates capacitive-touch firmware and small display drivers, while the 8 KB RAM supports USB HID stacks and keymap buffers. The 28-SSOP footprint is friendly to high-volume pick-and-place lines. Typical use case: a coffee machine with a capacitive-touch panel that drives an I2C OLED, monitors temperature via ADC, and exposes a USB-HID interface for firmware updates. The 32 MHz core handles debounce, multi-touch scanning, and display refresh within tight time budgets.
Recommended
Portable Medical Accessories
For portable medical accessories such as glucometers, pulse oximeters, and spirometers, the PIC24FJ64GA102T-I/SS offers the precise ADC and deterministic 16-bit execution needed for medical-grade measurement. The 10-bit ADC combined with external 16-bit oversampling yields accurate readings, while nanoWatt XLP preserves battery life between measurements. Typical use case: a fingertip pulse oximeter that drives red/IR LEDs via PWM, samples photodiode current through a transimpedance amplifier, and calculates SpO2 with a 32 MHz core running DSP filtering. The 28-SSOP package supports miniaturized PCBs that fit inside wearable enclosures.
Recommended
USB Human Interface Devices
The PIC24FJ64GA102T-I/SS integrates full-speed USB 2.0 device support, making it a drop-in fit for USB HID peripherals like keyboards, mice, and game controllers. The 64 KB FLASH hosts USB stacks and HID report descriptors, while the 8 KB RAM handles endpoint buffers. The internal oscillator eliminates external crystals, reducing BOM cost. Typical use case: a USB foot pedal controller for medical dictation with debounced GPIO inputs and HID reports sent via interrupt transfers. The 32 MHz core supports USB frame timing and human-interface latency targets well under 16 ms.
Recommended
Educational Development Boards
The PIC24FJ64GA102T-I/SS is widely adopted in university curricula and embedded-systems coursework because it pairs a 16-bit Harvard core with abundant educational documentation, MPLAB X IDE, and the free XC16 compiler. The 28-SSOP package mounts easily on through-hole-to-SMD adapter PCBs, and the Explorer 16/32 development board PIM exists for this family. Typical use case: a sophomore embedded systems lab where students blink LEDs, read ADC, and implement UART-based CLI in C with PIC24F. The peripheral set covers most teaching examples (timers, PWM, I2C, SPI, ADC) in one chip.
Recommended
Automotive Body Electronics (Non-Safety)
The PIC24FJ64GA102T-I/SS supports automotive body electronics such as door modules, ambient lighting controllers, and HVAC blend-door actuators, where its -40 to 85 °C range and CAN-friendly peripherals (via external MCP2515) suffice. Although not AEC-Q100 qualified, the part is widely used in non-safety in-cabin subsystems. Typical use case: an ambient lighting controller that drives RGBW LEDs via PWM, communicates with the body control module over CAN, and supports capacitive-touch dashboard controls. Designers should place external ESD protection on connector pins and derate supply for cranking transients.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ64GA102T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ64GA102-I/SS | PIC24FJ64GA102-I/ML | PIC24FJ64GA102T-I/ML | PIC24FJ64GA002-I/SS | PIC24FJ32GA102-I/SS |
|---|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP (same) | 28-QFN (different footprint) | 28-QFN (different footprint) | 28-SSOP (same) | 28-SSOP (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH Program Memory | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Operating Temperature | -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 | -40 °C to +85 °C |
| USB Peripheral | Yes (Full-Speed USB 2.0 device) | Yes | Yes | Yes | No | Yes |
| Packaging Form | Tape & Reel | Tube | Tube | Tape & Reel | Tube | Tube |
| Price (qty 1, USD) | 4.20 | 4.10 | 4.20 | 4.20 | 3.95 | 3.70 |
Key Differentiators
- Full-Speed USB 2.0 integrated on-die with nanoWatt XLP (vs PIC24FJ64GA002-I/SS)
- Tape-and-reel packaging for high-volume SMD assembly (vs PIC24FJ64GA102-I/SS)
- 21 GPIO in 28-SSOP - dense I/O for compact boards (vs PIC24FJ32GA102-I/SS)
Design Notes
Estimated: With VDD = 3.3 V and CPU at 32 MHz, the active current is ~15 mA typical. Use a 100 nF decoupling capacitor on every VDD/VSS pair (pins 8/19, plus VDD at pin 20). Place a bulk 4.7 µF tantalum or ceramic near VDD for transient load response during ADC conversions and RF bursts. nanoWatt XLP Sleep current is ~50 nA typical with RTCC running, so battery life is dominated by active duty cycle.
Keep the 28-SSOP trace lengths under 25 mm for the ICSP lines (PGD/RB7 pin 18, PGC/RB6 pin 17). Add 4.7 kΩ pull-up on MCLR (pin 13) and a 10 kΩ series resistor to prevent programming-voltage ringing. Route the crystal traces (OSC1/OSC2, pins 9/10) symmetrically with a ground guard ring if you use an external crystal; otherwise the internal 8 MHz oscillator removes this requirement.
PIC24FJ64GA102T-I/SS requires 2.0 V to 3.6 V on VDD - never connect 5 V signals directly to GPIO (no 5 V tolerance on this family). Use a level translator like TXS0108E if mixing 5 V peripherals. The "T" suffix means tape-and-reel, not industrial temperature; verify the "I" suffix for -40 °C to +85 °C or choose "E" for -40 °C to +125 °C extended grade.
For USB applications, route the D+/D- lines as a 90 Ω differential pair with matching length, and place the 0.1 µF USB VBUS decoupling cap within 5 mm of the USB connector. The internal 48 MHz USB clock is derived from the PLL; an unstable crystal oscillator directly causes USB enumeration failures. Add ferrite beads on VDD if switching regulators are nearby.
Compliance Information
RoHS compliant per Microchip product page and DigiKey listings. Not AEC-Q100 qualified - for automotive safety applications consider PIC24FJxxx MCUs with explicit Q-grade markings.
