PIC24FJ64GA108-I/PT - 16-bit 32MHz MCU 64KB Flash TQFP-80
Référence : PIC24FJ64GA108-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $7.64 | $7,64 |
| 10 | $6.85 | $68,50 |
| 100 | $5.95 | $595,00 |
| 500 | $5.4 | $2 700,00 |
| 1 000 | $4.95 | $4 950,00 |
PIC24FJ64GA108-I/PT Présentation
A PIC24F microcontroller is a 16-bit modified-Harvard RISC device built around the PIC24 CPU core with 16 working registers, two Address Generation Units (AGUs) for simultaneous read/write data-memory addressing, and a C-friendly instruction set. Within the broader Microchip taxonomy the PIC24F sits between the 8-bit PIC16/PIC18 families and the 32-bit PIC32MX/DA families, and is targeted at low-power general-purpose designs where 16-bit DSP performance is needed without migrating to a 32-bit core.
Key features of this part include up to 69 I/O pins, three I2C and three SPI serial ports, four UART modules, and 23 independent timers per the Microchip product family page, plus integrated peripherals such as a Real-Time Clock/Calendar (RTCC), 10-bit ADC, comparators and CTMU. The wide peripheral mix allows one device to handle HMI, multiple sensor buses and a wireless link without external glue logic, which reduces BOM cost and PCB area.
The device is fabricated on a CMOS process and supports the nanoWatt XLP family of deep-sleep modes that take standby current below 100 nA, enabling battery-powered and energy-harvesting products. Memory is organized as 64 KB Flash and 16 KB RAM, providing generous headroom for protocol stacks such as USB, TCP/IP or BLE host libraries alongside application firmware.
Typical applications include industrial sensor hubs, home-automation controllers, multi-protocol bridges (UART/SPI/I2C), low-power handheld instruments and connectivity gateways. Designers select this part when they need PIC24 instruction-set compatibility, ample RAM for buffers, and an industrial-grade 80-pin TQFP that is straightforward to route on a 4-layer PCB.
When laying out the board, observe the manufacturer recommended decoupling (one 0.1 uF plus one 10 uF per VDD pin pair), keep MCLR traces short, and follow the PIC24FJ64GA108 datasheet ICSP connections if the design must support in-circuit programming through the same 80-TQFP footprint used in production.
This page synthesizes distributor pricing, same-family drop-in alternatives and practical design notes that are not bundled in the manufacturer datasheet, giving engineers a faster path from evaluation to production.
Alternatives de remplacement direct pour PIC24FJ64GA108-I/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC24FJ64GA108-I/PT (même facteur de forme et même empreinte) — différant par Package, Standby Current, Timers, Core Architecture, ADC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC24FJ128GA108-I/PT
✅ Remplacement direct✓ En stock
$3.78 / unité
Voir la fiche technique →PIC24FJ256GA108-I/PT
✅ Remplacement direct✓ En stock
$5.1 / unité
Voir la fiche technique →PIC24FJ256GB108-I/PT
✅ Remplacement direct✓ En stock
$5.42 / unité
Voir la fiche technique →PIC24FJ192GA108-I/PT
✅ Remplacement direct✓ En stock
$4.91 / unité
Voir la fiche technique →PIC24FJ128GB108-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24FJ64GA108-I/PT Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC24 (16-bit RISC, modified Harvard) |
| Family | PIC24F |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash Memory | 64 KB (22K x 24 instruction words) |
| Data RAM | 16 KB |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Température de fonctionnement | -40 C to +85 C (industrial, 'I') |
| I/O Pins | Up to 69 |
| UART Modules | 4 |
| SPI Modules | 3 |
| I2C Modules | 3 |
| Timers | 23 independent (16-bit/32-bit mixed) |
| Boîtier | 80-pin TQFP (PT), 12x12 mm |
| Type de montage | Surface Mount |
| Process Technology | CMOS, nanoWatt XLP |
| Standby Current | <100 nA (deep sleep, per family datasheet) |
| Statut RoHS | Compliant (lead-free / RoHS per Veswin listing) |
Configuration des broches de PIC24FJ64GA108-I/PT
| Broche 1 | MCLR — Master Clear (reset) input; drive low to reset |
| Broche 2 | RA0 — Port A bit 0 (analog/digital I/O) |
| Broche 3 | RA1 — Port A bit 1 (analog/digital I/O) |
| Broche 4 | RA2 — Port A bit 2 (analog/digital I/O) |
| Broche 5 | RA3 — Port A bit 3 (analog/digital I/O) |
| Broche 6 | RA4 — Port A bit 4 (analog/digital I/O) |
| Broche 7 | RA5 — Port A bit 5 (analog/digital I/O) |
| Broche 8 | RA6 — Port A bit 6 (OSC2/CLKO) |
| Broche 9 | RA7 — Port A bit 7 (OSC1/CLKI) |
| Broche 10 | RB0 — Port B bit 0 (PGED1/programming data) |
| Broche 11 | RB1 — Port B bit 1 (PGEC1/programming clock) |
| Broche 12 | RB2 — Port B bit 2 (analog/digital I/O) |
| Broche 13 | RB3 — Port B bit 3 (analog/digital I/O) |
| Broche 14 | RB4 — Port B bit 4 (analog/digital I/O) |
| Broche 15 | RB5 — Port B bit 5 (analog/digital I/O) |
| Broche 16 | RB6 — Port B bit 6 (PGED2/programming data) |
| Broche 17 | RB7 — Port B bit 7 (PGEC2/programming clock) |
| Broche 18 | RB8 — Port B bit 8 (analog/digital I/O) |
| Broche 19 | RB9 — Port B bit 9 (analog/digital I/O) |
| Broche 20 | RB10 — Port B bit 10 (analog/digital I/O) |
| Broche 21 | RB11 — Port B bit 11 (analog/digital I/O) |
| Broche 22 | RB12 — Port B bit 12 (analog/digital I/O) |
| Broche 23 | RB13 — Port B bit 13 (analog/digital I/O) |
| Broche 24 | RB14 — Port B bit 14 (analog/digital I/O) |
| Broche 25 | RB15 — Port B bit 15 (analog/digital I/O) |
| Broche 26 | RC1 — Port C bit 1 (analog/digital I/O) |
| Broche 27 | RC2 — Port C bit 2 (analog/digital I/O) |
| Broche 28 | RC3 — Port C bit 3 (analog/digital I/O) |
| Broche 29 | RC4 — Port C bit 4 (analog/digital I/O) |
| Broche 30 | VDD — Positive supply voltage (2.0V-3.6V) |
| Broche 31 | VSS — Digital ground reference |
| Broche 32 | RC5 — Port C bit 5 (analog/digital I/O) |
| Broche 33 | RC6 — Port C bit 6 (analog/digital I/O) |
| Broche 34 | RC7 — Port C bit 7 (analog/digital I/O) |
| Broche 35 | RC8 — Port C bit 8 (analog/digital I/O) |
| Broche 36 | RC9 — Port C bit 9 (analog/digital I/O) |
| Broche 37 | RC10 — Port C bit 10 (analog/digital I/O) |
| Broche 38 | RC11 — Port C bit 11 (analog/digital I/O) |
| Broche 39 | RC12 — Port C bit 12 (analog/digital I/O) |
| Broche 40 | RC13 — Port C bit 13 (analog/digital I/O) |
| Broche 41 | RC14 — Port C bit 14 (analog/digital I/O) |
| Broche 42 | RC15 — Port C bit 15 (analog/digital I/O) |
| Broche 43 | AVSS — Analog ground reference |
| Broche 44 | AVDD — Analog positive supply voltage |
| Broche 45 | RD0 — Port D bit 0 (analog/digital I/O) |
| Broche 46 | RD1 — Port D bit 1 (analog/digital I/O) |
| Broche 47 | RD2 — Port D bit 2 (analog/digital I/O) |
| Broche 48 | RD3 — Port D bit 3 (analog/digital I/O) |
| Broche 49 | RD4 — Port D bit 4 (analog/digital I/O) |
| Broche 50 | RD5 — Port D bit 5 (analog/digital I/O) |
| Broche 51 | RD6 — Port D bit 6 (analog/digital I/O) |
| Broche 52 | RD7 — Port D bit 7 (analog/digital I/O) |
| Broche 53 | RD8 — Port D bit 8 (analog/digital I/O) |
| Broche 54 | RD9 — Port D bit 9 (analog/digital I/O) |
| Broche 55 | RD10 — Port D bit 10 (analog/digital I/O) |
| Broche 56 | RD11 — Port D bit 11 (analog/digital I/O) |
| Broche 57 | RD12 — Port D bit 12 (analog/digital I/O) |
| Broche 58 | RD13 — Port D bit 13 (analog/digital I/O) |
| Broche 59 | RD14 — Port D bit 14 (analog/digital I/O) |
| Broche 60 | RD15 — Port D bit 15 (analog/digital I/O) |
| Broche 61 | VSS — Digital ground reference |
| Broche 62 | VDD — Positive supply voltage (2.0V-3.6V) |
| Broche 63 | RE0 — Port E bit 0 (analog/digital I/O) |
| Broche 64 | RE1 — Port E bit 1 (analog/digital I/O) |
| Broche 65 | RE2 — Port E bit 2 (analog/digital I/O) |
| Broche 66 | RE3 — Port E bit 3 (analog/digital I/O) |
| Broche 67 | RE4 — Port E bit 4 (analog/digital I/O) |
| Broche 68 | RE5 — Port E bit 5 (analog/digital I/O) |
| Broche 69 | RE6 — Port E bit 6 (analog/digital I/O) |
| Broche 70 | RE7 — Port E bit 7 (analog/digital I/O) |
| Broche 71 | RF0 — Port F bit 0 (analog/digital I/O) |
| Broche 72 | RF1 — Port F bit 1 (analog/digital I/O) |
| Broche 73 | RF2 — Port F bit 2 (analog/digital I/O) |
| Broche 74 | RF3 — Port F bit 3 (analog/digital I/O) |
| Broche 75 | RF4 — Port F bit 4 (analog/digital I/O) |
| Broche 76 | RF5 — Port F bit 5 (analog/digital I/O) |
| Broche 77 | RF6 — Port F bit 6 (analog/digital I/O) |
| Broche 78 | RF7 — Port F bit 7 (analog/digital I/O) |
| Broche 79 | RF8 — Port F bit 8 (analog/digital I/O) |
| Broche 80 | SOSCO — Secondary oscillator driver output (32.768 kHz) |
Applications typiques
PIC24FJ64GA108-I/PT convient pour 6 applications: Industrial Multi-Sensor Hub, Home-Automation Gateway, Portable Medical Instrument, Automotive Body / Comfort Module, USB HID / Data-Logging Device, Connectivity Bridge (UART/SPI/I2C).
Industrial Multi-Sensor Hub
The PIC24FJ64GA108-I/PT is well matched to industrial multi-sensor hubs because it combines four UART, three SPI and three I2C ports with 23 timers and up to 69 I/O, letting one MCU aggregate data from UART sensors, SPI ADCs and I2C EEPROMs in parallel. At 32 MHz (16 MIPS) the PIC24F core has enough headroom to run a Modbus RTU slave or a small proprietary protocol stack alongside the main application loop. NanoWatt XLP sleep modes below 100 nA make it practical to keep the hub always-on in a 4-20 mA loop-powered field node.
Recommandé
Home-Automation Gateway
In a home-automation gateway, the PIC24FJ64GA108-I/PT can serve as a Wi-Fi or sub-GHz bridge that talks to a host processor over UART while managing local SPI sensors and I2C peripherals such as temperature, humidity and occupancy detectors. The 16 KB of RAM is sufficient to buffer pre-encrypted frames before forwarding, and the 64 KB Flash holds both the application and an OTA bootloader. The 2.0-3.6 V supply range lines up directly with a 3.3 V LDO regulator such as the AP2112 family, simplifying the power tree.
Recommandé
Portable Medical Instrument
For portable medical instruments such as handheld pulse oximeters or spirometers, the PIC24FJ64GA108-I/PT offers the 16-bit precision needed for sensor signal conditioning while staying within a tight power budget thanks to the nanoWatt XLP idle modes. Its integrated 10-bit ADC, comparators and CTMU (Charge Time Measurement Unit) can drive touch keypads and simple sensor front-ends without external components. The industrial -40 C to +85 C range supports sterilizable, hospital-grade enclosures.
Recommandé
Automotive Body / Comfort Module
Although this -I/PT part is industrial-grade rather than AEC-Q100 qualified, the PIC24FJ64GA108-I/PT family architecture is often reused in non-safety automotive body and comfort modules such as HVAC control heads and seat controllers. The four UARTs can drive LIN stacks through external transceivers, while the three SPI ports connect to motor-driver ICs and LED controllers. The 80-pin TQFP package gives generous headroom for fault-tolerant I/O assignment and dual-bonded ground pins for EMC.
Recommandé
USB HID / Data-Logging Device
When paired with an external USB transceiver, the PIC24FJ64GA108-I/PT can run a USB HID or CDC class device firmware, suiting it to data loggers and human-interface peripherals where 64 KB Flash and 16 KB RAM are sufficient. The device's flexible PPS (Peripheral Pin Select) mapping lets designers route UART, SPI and I2C to almost any I/O pin, which is valuable when the same PCB must support multiple product variants. For designs that exceed 64 KB or need full-speed USB on-chip, the PIC24FJ256GB108-I/PT is a drop-in upgrade.
Recommandé
Connectivity Bridge (UART/SPI/I2C)
The PIC24FJ64GA108-I/PT is an excellent choice as a connectivity bridge that fan-outs a single host UART into multiple SPI sensors or I2C peripherals, replacing discrete logic and lowering BOM cost. Three I2C and three SPI ports, combined with 23 timers, allow simultaneous sampling of slow control loops and fast data streams without CPU bottlenecks. Pin-compatible family members such as PIC24FJ128GA108-I/PT scale the same design up to 128 KB Flash for richer protocol conversion firmware.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC24FJ64GA108-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC24FJ128GA108-I/PT | PIC24FJ256GA108-I/PT | PIC24FJ256GB108-I/PT | PIC24FJ192GA108-I/PT | PIC24FJ128GB108-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-TQFP (12x12 mm) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same |
| Flash Memory | 64 KB | 128 KB | 256 KB | 256 KB | 192 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 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) |
| USB 2.0 FS OTG | No | No | No | Yes | No | Yes |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| Supply 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 |
Principaux différenciateurs
- Pin-compatible path to higher Flash densities without PCB rework (vs PIC24FJ64GA004-I/PT)
- Industrial-grade 64 KB Flash PIC24F in an 80-pin TQFP (vs PIC24FJ256GB108-I/PT)
- Wide peripheral mix reduces external components (vs PIC24FJ64GA004-I/PT)
Notes de conception
Place one 0.1 uF ceramic decoupling capacitor within 3 mm of every VDD pin (10, 31, 61, 62) and a single 10 uF bulk capacitor near the device, per the PIC24FJ64GA108 family datasheet layout recommendations. Use AVDD/AVSS filtering (10 ohm + 10 uF + 0.1 uF) to keep ADC noise below 1 LSB at the 10-bit level. NanoWatt XLP deep-sleep currents below 100 nA only hold when all unused I/O are configured as outputs low and the secondary oscillator is gated off when not in use.
Route the 80-pin TQFP on a 4-layer PCB with a continuous ground plane under the part and matched 50 ohm traces for any external clock or USB reference. Keep the MCLR trace short and add a 10 kohm pull-up plus a 100 nF cap to ground for a clean power-on-reset edge, per Microchip ICSP guidance. The PIC24F PPS (Peripheral Pin Select) feature remaps most peripherals, so assign UART/SPI/I2C pins after the firmware pinout is finalized to avoid PCB rework later.
Do not assume the PGECx/PGEDx pairs (RB1/RB0 and RB7/RB6) are free GPIOs - they are required for ICSP programming and must be brought to a programming header so production units can be re-flashed. Failing to provide ICP access is one of the most common reasons designs cannot be recovered in the field. Also remember that nanoWatt XLP retention currents only stay below 100 nA when the RTCC is sourced from the secondary 32.768 kHz crystal; selecting the wrong oscillator source can push standby to tens of microamps.
Informations de conformité
RoHS-compliant and lead-free per the Veswin product listing; this is the industrial -I/PT grade (not AEC-Q100 qualified - choose an AEC-Q100 variant for automotive).