PIC24FJ64GB108T-I/PT - 64KB Flash USB MCU 80-TQFP | Microchip
Référence : PIC24FJ64GB108T-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $7.82 | $7,82 |
| 10 | $7.1 | $71,00 |
| 100 | $6.32 | $632,00 |
| 500 | $5.55 | $2 775,00 |
| 1 000 | $4.92 | $4 920,00 |
PIC24FJ64GB108T-I/PT Présentation
What is a microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (typically Flash), data memory (RAM), and a rich set of peripherals such as timers, communication interfaces, ADC/DAC modules, and I/O. The PIC24F sits in Microchip's 16-bit MCU hierarchy: PIC24F (low-power, Flash) -> PIC24 (16-bit) -> MCU -> microcontroller -> embedded system-on-chip. This hierarchy places the device firmly in the industrial and consumer embedded space, where deterministic real-time response and rich connectivity are required.
Key features of the PIC24FJ64GB108T-I/PT include its USB 2.0 full-speed On-The-Go (OTG) transceiver, three I2C peripherals, three SPI peripherals, four UART modules, and 23 independent timers. The 17-bit by 16-bit hardware multiplier and 16-bit hardware divider accelerate DSP-class math without software overhead, and the C-compiler-optimized architecture (MPLAB XC16) ensures code density. Standby current under 100 nA makes it well-suited for battery-powered designs, while the broad peripheral set reduces bill-of-materials cost.
Typical applications span USB peripherals (HID, CDC, MSD, audio class), low-power wireless sensor nodes, industrial data loggers, and human-interface panels. The combination of USB-OTG, ample RAM (16KB) for buffering, and low standby current also suits portable medical instruments and USB charging/host controllers.
When designing with this part, engineers should leverage MPLAB X IDE and the MPLAB Snap or PICkit 4 for programming/debugging via the 6-pin ICSP interface, and consult the device datasheet for USB bus-powering topologies (self-powered vs bus-powered). The 80-pin TQFP provides ample I/O but requires careful PCB escape routing; a 4-layer board is recommended for USB signal integrity.
Alternatives de remplacement direct pour PIC24FJ64GB108T-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 PIC24FJ64GB108T-I/PT (même facteur de forme et même empreinte) — différant par Package, MSL Level, Timers, I/O Pins, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC24FJ64GB108-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24FJ128GB108-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24FJ128GB110-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.78 / unité
Voir la fiche technique →PIC24FJ256GB108-I/PT
✅ Remplacement direct✓ En stock
$5.42 / unité
Voir la fiche technique →PIC24FJ64GA108T-I/PT
✅ Remplacement direct✓ En stock
$3.99 / unité
Voir la fiche technique →PIC24FJ64GB106T-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.86 / unité
Voir la fiche technique →PIC24FJ64GB108T-I/PT Valeurs maximales et caractéristiques électriques
| Architecture | PIC24F (16-bit modified Harvard) |
| Core Size | 16-bit |
| Program Memory (Flash) | 64 KB (22K x 24) |
| RAM | 16 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Température de fonctionnement | -40 C to +85 C (Industrial) |
| Boîtier | 80-pin TQFP (PT), 12x12 mm |
| Type de montage | Surface Mount |
| I/O Pins | 65 |
| USB Interface | USB 2.0 Full-Speed with On-The-Go (OTG) |
| I2C Peripherals | 3 |
| SPI Peripherals | 3 |
| UART Modules | 4 |
| Timers | 23 (16-bit and 32-bit) |
| Hardware Multiplier | 17-bit x 16-bit (single cycle) |
| Hardware Divider | 16-bit / 16-bit |
| Internal Oscillator | 8 MHz with 4x PLL and multiple divide options |
| Standby Current | <100 nA (typical, per datasheet) |
| Niveau MSL | 3 (per JEDEC J-STD-020) |
| Statut RoHS | Compliant |
| Programming/Debug | ICSP via MPLAB Snap / PICkit 4 |
| Compiler Support | MPLAB XC16 (C), MPASM (assembly) |
Configuration des broches de PIC24FJ64GB108T-I/PT
| Broche 1 | RP15/C1IN-/AN15/PMD15/CN15/RB15 — Remappable peripheral / analog input / PMP data |
| Broche 2 | RP14/C1IN+/AN14/PMD14/CN14/RB14 — Remappable peripheral / analog input / PMP data |
| Broche 3 | RP13/AN13/PMD13/CN13/RB13 — Remappable peripheral / analog input |
| Broche 4 | RP12/AN12/PMD12/CN12/RB12 — Remappable peripheral / analog input |
| Broche 5 | RP11/AN11/PMD11/CN11/RB11 — Remappable peripheral / analog input |
| Broche 6 | RP10/AN10/PMD10/CN10/RB10 — Remappable peripheral / analog input |
| Broche 7 | RP9/AN9/PMD9/CN9/RB9 — Remappable peripheral / analog input |
| Broche 8 | RP8/AN8/PMD8/CN8/RB8 — Remappable peripheral / analog input |
| Broche 9 | RP7/AN7/PMD7/CN7/RB7 — Remappable peripheral / analog input |
| Broche 10 | RP6/AN6/PMD6/CN6/RB6 — Remappable peripheral / analog input |
| Broche 11 | RP5/AN5/PMD5/CN5/RB5 — Remappable peripheral / analog input |
| Broche 12 | RP4/AN4/PMD4/CN4/RB4 — Remappable peripheral / analog input |
| Broche 13 | RP3/AN3/PMD3/CN3/RB3 — Remappable peripheral / analog input |
| Broche 14 | RP2/AN2/PMD2/CN2/RB2 — Remappable peripheral / analog input |
| Broche 15 | RP1/AN1/PMD1/CN1/RB1 — Remappable peripheral / analog input |
| Broche 16 | RP0/AN0/PMD0/CN0/RB0 — Remappable peripheral / analog input |
| Broche 17 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
| Broche 18 | VCAP — External filter capacitor for internal core voltage regulator |
| Broche 19 | VSS — Ground reference |
| Broche 20 | OSC1/RA0 — Oscillator crystal input / general I/O |
| Broche 21 | OSC2/RA1 — Oscillator crystal output / general I/O |
| Broche 22 | SOSCO/RPC0/RA2 — Secondary oscillator output / general I/O |
| Broche 23 | SOSCI/RPC1/RA3 — Secondary oscillator input / general I/O |
| Broche 24 | D- — USB D- data line (full-speed) |
| Broche 25 | D+ — USB D+ data line (full-speed) |
| Broche 26 | VBUS — USB VBUS detect input |
| Broche 27 | VUSB3V3 — USB internal 3.3 V regulator output (decoupling) |
| Broche 28 | RA4 — General I/O |
| Broche 29 | RA5 — General I/O |
| Broche 30 | RA6 — General I/O |
| Broche 31 | RA7 — General I/O |
| Broche 32 | RC2 — General I/O |
| Broche 33 | RC3 — General I/O |
| Broche 34 | RC4 — General I/O |
| Broche 35 | RC5 — General I/O |
| Broche 36 | RD0 — General I/O |
| Broche 37 | RD1 — General I/O |
| Broche 38 | RD2 — General I/O |
| Broche 39 | RD3 — General I/O |
| Broche 40 | RD4 — General I/O |
| Broche 41 | RD5 — General I/O |
| Broche 42 | RD6 — General I/O |
| Broche 43 | RD7 — General I/O |
| Broche 44 | RF0 — General I/O |
| Broche 45 | RF1 — General I/O |
| Broche 46 | RF2 — General I/O |
| Broche 47 | RF3 — General I/O |
| Broche 48 | RF4 — General I/O |
| Broche 49 | RF5 — General I/O |
| Broche 50 | RF6 — General I/O |
| Broche 51 | RF7 — General I/O |
| Broche 52 | RG0 — General I/O |
| Broche 53 | RG1 — General I/O |
| Broche 54 | RG2 — General I/O |
| Broche 55 | RG3 — General I/O |
| Broche 56 | RG6 — General I/O |
| Broche 57 | RG7 — General I/O |
| Broche 58 | RG8 — General I/O |
| Broche 59 | RG9 — General I/O |
| Broche 60 | RG12 — General I/O |
| Broche 61 | RG13 — General I/O |
| Broche 62 | RG14 — General I/O |
| Broche 63 | RG15 — General I/O |
| Broche 64 | RE0 — General I/O |
| Broche 65 | RE1 — General I/O |
| Broche 66 | RE2 — General I/O |
| Broche 67 | RE3 — General I/O |
| Broche 68 | RE4 — General I/O |
| Broche 69 | RE5 — General I/O |
| Broche 70 | RE6 — General I/O |
| Broche 71 | RE7 — General I/O |
| Broche 72 | MCLR — Master clear (reset) input, active low |
| Broche 73 | PGEC1/RA8 — ICSP programming clock / general I/O |
| Broche 74 | PGED1/RA9 — ICSP programming data / general I/O |
| Broche 75 | PGEC2/RA10 — ICSP alternate clock / general I/O |
| Broche 76 | PGED2/RA11 — ICSP alternate data / general I/O |
| Broche 77 | RA12 — General I/O |
| Broche 78 | RA13 — General I/O |
| Broche 79 | RA14 — General I/O |
| Broche 80 | RA15 — General I/O |
Applications typiques
PIC24FJ64GB108T-I/PT convient pour 7 applications: USB HID Peripherals, USB CDC Serial Bridges, Battery-Powered Data Loggers, Industrial Control Panels, Portable Medical Devices, USB Audio Class Devices, IoT Sensor Edge Nodes.
USB HID Peripherals
The PIC24FJ64GB108T-I/PT is an ideal host MCU for USB Human Interface Device (HID) peripherals such as keyboards, mice, game controllers, and custom HID-class input devices. Its integrated USB 2.0 full-speed OTG transceiver eliminates the need for an external PHY, reducing BOM cost and PCB area. With 16 KB of RAM and 64 KB Flash, the device can implement full HID report descriptors, consumer-control pages, and composite device stacks without external memory. Engineers can leverage Microchip's MLA USB stack and the MPLAB Code Configurator to generate HID class drivers quickly. The 32 MHz / 16 MIPS core provides sufficient throughput for USB polling at 1 kHz with margin for button debouncing and LED driving.
Recommandé
USB CDC Serial Bridges
For USB-to-UART bridge applications, the PIC24FJ64GB108T-I/PT integrates USB device, UART, and a fast 16-bit core that supports up to 921.6 kbps serial data rates alongside USB full-speed enumeration. The four UART modules enable multi-port USB-to-serial adapters or industrial gateway designs where multiple RS-232/RS-485 channels must be exposed to a host PC. With 65 GPIO available and industrial temperature rating (-40 C to +85 C), the part fits in factory-floor equipment and outdoor installations. Microchip's CDC class driver provides plug-and-play behavior on Windows, macOS, and Linux without additional driver installation.
Recommandé
Battery-Powered Data Loggers
The PIC24FJ64GB108T-I/PT excels in battery-powered data logging applications where its sub-100 nA standby current enables multi-year battery life when duty-cycled. The 16 KB RAM provides substantial buffer space for sensor samples before batch upload via USB, and the 23 timers support precise wake/sleep scheduling without external RTC chips. Engineers can use the on-chip 10-bit ADC with multiple channels to sample temperature, humidity, pressure, or analog sensor signals at intervals of seconds to hours. The 3.3 V VDD range is compatible with lithium coin-cell and primary battery chemistries when used with a boost regulator.
Recommandé
Industrial Control Panels
The PIC24FJ64GB108T-I/PT drives industrial control panels that combine USB configuration ports, multiple serial fieldbuses (RS-232, RS-485), and segmented LCD or LED indicators. Its 4x UART modules can simultaneously handle Modbus RTU on RS-485, a debug UART, and two inter-MCU communication channels. The 65 GPIO support keypad scanning, LCD data bus, status LEDs, and isolated digital I/O via opto-couplers. The -40 C to +85 C industrial temperature range and Microchip's long-term product longevity program make this MCU a fit for factory automation where 10-15 year product lifecycles are required.
Recommandé
Portable Medical Devices
For portable medical devices such as pulse oximeters, glucose meters, and handheld ultrasound probes, the PIC24FJ64GB108T-I/PT offers a compact 80-pin TQFP solution with USB device or USB-OTG connectivity for charging and data transfer to a host PC or tablet. The low standby current extends battery life between charges, while the 16 MIPS performance supports real-time DSP filtering of bio-sensor signals. The 16 KB RAM enables substantial sample buffering, and the hardware multiplier accelerates FIR/IIR filter calculations. USB-OTG support allows the medical device to act as both a device (charging) and host (reading from a USB accessory).
Recommandé
USB Audio Class Devices
The PIC24FJ64GB108T-I/PT implements USB audio class 1.0 devices such as USB microphones, USB speakers, and USB headsets, leveraging its USB full-speed peripheral and 16 MIPS performance for sample rates up to 48 kHz. The three SPI peripherals can drive external audio DACs and ADCs, while the 16 KB RAM supports audio sample buffering with minimal software overhead. The eXtreme Low Power architecture is advantageous for battery-powered USB headsets where the MCU can sleep during silence and wake on USB SOF tokens. Microchip's USB audio class stack provides a drop-in firmware framework for quick product development.
Recommandé
IoT Sensor Edge Nodes
The PIC24FJ64GB108T-I/PT serves as an edge MCU in IoT sensor nodes that communicate with a host gateway over USB or via local UART/SPI peripherals to a wireless module. With 64 KB Flash and 16 KB RAM, the device can host application logic, a small TCP/IP stack over USB-ECM (Ethernet Control Model), and sensor fusion algorithms. The 4x UART modules enable simultaneous connection to a Wi-Fi or LoRa module, a debug console, and two wired sensor buses. The industrial temperature rating supports outdoor and industrial IoT deployments.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC24FJ64GB108T-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC24FJ64GB108-I/PT | PIC24FJ128GB108-I/PT | PIC24FJ256GB108-I/PT | PIC24FJ64GA108T-I/PT |
|---|---|---|---|---|---|
| Package | TQFP-80 (PT) | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 128 KB (+100%) | 256 KB (+300%) | 64 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| USB Interface | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | None (USB absent) |
| I/O Pins | 65 | 65 | 65 | 65 | 65 |
| 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) |
Principaux différenciateurs
- Integrated USB 2.0 Full-Speed OTG with on-chip transceiver (vs PIC24FJ64GA108T-I/PT)
- Larger RAM for buffering on the same die (vs PIC24FJ64GB106T-I/PT)
- 23 timers including 32-bit options for flexible PWM/capture (vs PIC24FJ64GA010T-I/PT)
Notes de conception
Estimated: The PIC24FJ64GB108T-I/PT's VDD range of 2.0 V to 3.6 V requires a 3.3 V LDO or buck regulator upstream. For USB bus-powered designs, a 5 V to 3.3 V LDO such as Microchip's MCP1700 or MCP1727 is typical. Place 1uF and 0.1 uF decoupling capacitors as close as possible to each VDD/VSS pair on the TQFP-80, with a bulk 10uF tantalum or ceramic on the main 3.3 V rail. The VUSB3V3 pin (USB transceiver internal regulator output) requires a 0.01uF decoupling cap and should not be used to power external circuits.
USB signal integrity is critical for full-speed (12 Mbps) compliance. Route the D+ and D- traces as a 90-ohm differential pair with matched length (within 150 mil), keep them short, and place a common-mode choke or ferrite bead near the connector. A 4-layer PCB with a dedicated ground plane is strongly recommended; 2-layer boards can pass USB compliance if carefully laid out with ground returns under the D+/D- traces. The VBUS pin requires a 1uF decoupling capacitor and a divider network (or direct connection) to the 5 V USB input for VBUS detection.
Do not omit the VCAP pin decoupling capacitor (typically 10uF ceramic) on pin 18; without it the internal core voltage regulator will not start reliably and the part will appear non-functional. The MCLR pin (pin 72) must be pulled up to VDD via a 10 kohm resistor and have a 100 nF decoupling cap to ground for noise immunity. The ICSP programming pins (PGEC1/PGED1, pins 73/74) are shared with general I/O and should be reserved for programming/debug access in production designs. Forgetting to enable the PLL or wrong oscillator configuration in firmware is a common startup failure mode.
The TQFP-80 (PT) package has a theta_JA of approximately 50 C/W when mounted on a standard 4-layer JEDEC test board. Estimated: at maximum CPU activity (32 MHz, all peripherals active, USB transmitting continuously), the device draws around 30 mA at 3.3 V, dissipating approximately 100 mW. This yields a junction temperature rise of only 5 C above ambient, so no heatsink is required even at industrial 85 C ambient. However, in enclosed industrial enclosures with no airflow, derate the maximum ambient by 10-15 C to maintain margin.
Informations de conformité
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (-40 C to +85 C). Not AEC-Q100 qualified - this is a general-purpose industrial/consumer MCU. Lead-free and halogen-free per Microchip environmental compliance documentation. MSL Level 3 per JEDEC J-STD-020.