PIC24FJ64GA108-I/PT - 16-bit 32MHz MCU 64KB Flash TQFP-80
N.º da peça: PIC24FJ64GA108-I/PT ✓ Ativo| Qtd. | Preço unitário | 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 Visão geral
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.
Alternativas drop-in para PIC24FJ64GA108-I/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC24FJ64GA108-I/PT (mesmo formato e footprint) — diferindo em Package, Standby Current, Timers, Core Architecture, ADC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC24FJ128GA108-I/PT
✅ Drop-In✓ Em estoque
$3.78 / unidade
Ver ficha técnica →PIC24FJ256GA108-I/PT
✅ Drop-In✓ Em estoque
$5.1 / unidade
Ver ficha técnica →PIC24FJ256GB108-I/PT
✅ Drop-In✓ Em estoque
$5.42 / unidade
Ver ficha técnica →PIC24FJ192GA108-I/PT
✅ Drop-In✓ Em estoque
$4.91 / unidade
Ver ficha técnica →PIC24FJ128GB108-I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC24FJ64GA108-I/PT Classificações máximas e características elétricas
| 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 |
| Temperatura de operação | -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) |
| Encapsulamento | 80-pin TQFP (PT), 12x12 mm |
| Tipo de montagem | Surface Mount |
| Process Technology | CMOS, nanoWatt XLP |
| Standby Current | <100 nA (deep sleep, per family datasheet) |
| Status RoHS | Compliant (lead-free / RoHS per Veswin listing) |
Configuração de pinos do PIC24FJ64GA108-I/PT
| Pino 1 | MCLR — Master Clear (reset) input; drive low to reset |
| Pino 2 | RA0 — Port A bit 0 (analog/digital I/O) |
| Pino 3 | RA1 — Port A bit 1 (analog/digital I/O) |
| Pino 4 | RA2 — Port A bit 2 (analog/digital I/O) |
| Pino 5 | RA3 — Port A bit 3 (analog/digital I/O) |
| Pino 6 | RA4 — Port A bit 4 (analog/digital I/O) |
| Pino 7 | RA5 — Port A bit 5 (analog/digital I/O) |
| Pino 8 | RA6 — Port A bit 6 (OSC2/CLKO) |
| Pino 9 | RA7 — Port A bit 7 (OSC1/CLKI) |
| Pino 10 | RB0 — Port B bit 0 (PGED1/programming data) |
| Pino 11 | RB1 — Port B bit 1 (PGEC1/programming clock) |
| Pino 12 | RB2 — Port B bit 2 (analog/digital I/O) |
| Pino 13 | RB3 — Port B bit 3 (analog/digital I/O) |
| Pino 14 | RB4 — Port B bit 4 (analog/digital I/O) |
| Pino 15 | RB5 — Port B bit 5 (analog/digital I/O) |
| Pino 16 | RB6 — Port B bit 6 (PGED2/programming data) |
| Pino 17 | RB7 — Port B bit 7 (PGEC2/programming clock) |
| Pino 18 | RB8 — Port B bit 8 (analog/digital I/O) |
| Pino 19 | RB9 — Port B bit 9 (analog/digital I/O) |
| Pino 20 | RB10 — Port B bit 10 (analog/digital I/O) |
| Pino 21 | RB11 — Port B bit 11 (analog/digital I/O) |
| Pino 22 | RB12 — Port B bit 12 (analog/digital I/O) |
| Pino 23 | RB13 — Port B bit 13 (analog/digital I/O) |
| Pino 24 | RB14 — Port B bit 14 (analog/digital I/O) |
| Pino 25 | RB15 — Port B bit 15 (analog/digital I/O) |
| Pino 26 | RC1 — Port C bit 1 (analog/digital I/O) |
| Pino 27 | RC2 — Port C bit 2 (analog/digital I/O) |
| Pino 28 | RC3 — Port C bit 3 (analog/digital I/O) |
| Pino 29 | RC4 — Port C bit 4 (analog/digital I/O) |
| Pino 30 | VDD — Positive supply voltage (2.0V-3.6V) |
| Pino 31 | VSS — Digital ground reference |
| Pino 32 | RC5 — Port C bit 5 (analog/digital I/O) |
| Pino 33 | RC6 — Port C bit 6 (analog/digital I/O) |
| Pino 34 | RC7 — Port C bit 7 (analog/digital I/O) |
| Pino 35 | RC8 — Port C bit 8 (analog/digital I/O) |
| Pino 36 | RC9 — Port C bit 9 (analog/digital I/O) |
| Pino 37 | RC10 — Port C bit 10 (analog/digital I/O) |
| Pino 38 | RC11 — Port C bit 11 (analog/digital I/O) |
| Pino 39 | RC12 — Port C bit 12 (analog/digital I/O) |
| Pino 40 | RC13 — Port C bit 13 (analog/digital I/O) |
| Pino 41 | RC14 — Port C bit 14 (analog/digital I/O) |
| Pino 42 | RC15 — Port C bit 15 (analog/digital I/O) |
| Pino 43 | AVSS — Analog ground reference |
| Pino 44 | AVDD — Analog positive supply voltage |
| Pino 45 | RD0 — Port D bit 0 (analog/digital I/O) |
| Pino 46 | RD1 — Port D bit 1 (analog/digital I/O) |
| Pino 47 | RD2 — Port D bit 2 (analog/digital I/O) |
| Pino 48 | RD3 — Port D bit 3 (analog/digital I/O) |
| Pino 49 | RD4 — Port D bit 4 (analog/digital I/O) |
| Pino 50 | RD5 — Port D bit 5 (analog/digital I/O) |
| Pino 51 | RD6 — Port D bit 6 (analog/digital I/O) |
| Pino 52 | RD7 — Port D bit 7 (analog/digital I/O) |
| Pino 53 | RD8 — Port D bit 8 (analog/digital I/O) |
| Pino 54 | RD9 — Port D bit 9 (analog/digital I/O) |
| Pino 55 | RD10 — Port D bit 10 (analog/digital I/O) |
| Pino 56 | RD11 — Port D bit 11 (analog/digital I/O) |
| Pino 57 | RD12 — Port D bit 12 (analog/digital I/O) |
| Pino 58 | RD13 — Port D bit 13 (analog/digital I/O) |
| Pino 59 | RD14 — Port D bit 14 (analog/digital I/O) |
| Pino 60 | RD15 — Port D bit 15 (analog/digital I/O) |
| Pino 61 | VSS — Digital ground reference |
| Pino 62 | VDD — Positive supply voltage (2.0V-3.6V) |
| Pino 63 | RE0 — Port E bit 0 (analog/digital I/O) |
| Pino 64 | RE1 — Port E bit 1 (analog/digital I/O) |
| Pino 65 | RE2 — Port E bit 2 (analog/digital I/O) |
| Pino 66 | RE3 — Port E bit 3 (analog/digital I/O) |
| Pino 67 | RE4 — Port E bit 4 (analog/digital I/O) |
| Pino 68 | RE5 — Port E bit 5 (analog/digital I/O) |
| Pino 69 | RE6 — Port E bit 6 (analog/digital I/O) |
| Pino 70 | RE7 — Port E bit 7 (analog/digital I/O) |
| Pino 71 | RF0 — Port F bit 0 (analog/digital I/O) |
| Pino 72 | RF1 — Port F bit 1 (analog/digital I/O) |
| Pino 73 | RF2 — Port F bit 2 (analog/digital I/O) |
| Pino 74 | RF3 — Port F bit 3 (analog/digital I/O) |
| Pino 75 | RF4 — Port F bit 4 (analog/digital I/O) |
| Pino 76 | RF5 — Port F bit 5 (analog/digital I/O) |
| Pino 77 | RF6 — Port F bit 6 (analog/digital I/O) |
| Pino 78 | RF7 — Port F bit 7 (analog/digital I/O) |
| Pino 79 | RF8 — Port F bit 8 (analog/digital I/O) |
| Pino 80 | SOSCO — Secondary oscillator driver output (32.768 kHz) |
Aplicações típicas
PIC24FJ64GA108-I/PT é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC24FJ64GA108-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
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).