PIC18F64J11T-I/PT - 8-bit PIC MCU, 16KB Flash, 40MHz, 64-TQFP | Microchip
Référence : PIC18F64J11T-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.1 | $5,10 |
| 10 | $4.62 | $46,20 |
| 100 | $4.05 | $405,00 |
| 500 | $3.55 | $1 775,00 |
| 1 000 | $3.1 | $3 100,00 |
PIC18F64J11T-I/PT Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, peripherals, and I/O on one die. The PIC18 family is Microchip's 8-bit RISC architecture, with the J-series adding low-power enhancements, 3V operation, and nanoWatt technology sleep modes that significantly reduce standby current versus legacy PIC18F families. Compared with 32-bit ARM Cortex-M MCUs, 8-bit PIC MCUs offer lower cost, simpler toolchain, and deterministic interrupt latency for embedded control tasks.
Key features include 16 KB (8K x 16) Flash program memory with 10,000 endurance cycles, 1024 bytes of SRAM data memory, integrated 8 MHz internal oscillator, parallel master port (PMP), enhanced ICD with three hardware breakpoints, and nanoWatt sleep modes that lower standby current below typical PIC18F levels. The PIC18F64J11 is described by Microchip as a general-purpose PIC18 J-series MCU providing 10 MIPS at 3V, designed to be easily adapted for cost-sensitive applications such as data loggers and controllers.
From an architecture perspective, the PIC18F64J11T-I/PT uses an 8-bit modified Harvard architecture with separate program and data buses, enabling simultaneous instruction fetch and operand read. The 16-bit instruction word is decoded by the CPU core, while data memory is organized as a banked 8-bit SFR/GPR array. Built-in peripherals relevant to embedded designs typically include timers, capture/compare/PWM (ECCP) modules, UART with LIN support, MSSP for SPI/I2C, and 10-12 bit ADC channels on related PIC18F64J11 family variants.
Typical applications include industrial control panels, data acquisition and logging, USB HID devices, HVAC control boards, and home appliance user interfaces. The wide pin count (54 I/O) allows direct interfacing with keypads, character LCDs, sensor arrays, and motor-driver stages without external I/O expanders. Industrial temperature rating (-40C to +85C) supports factory floor and outdoor cabinet deployments.
When designing with this MCU, ensure the supply rail is properly decoupled with 100 nF + bulk capacitors placed near the VDD/VSS pairs, and add a 10 kohm pull-up on MCLR if hardware reset is required. Programmers using MPLAB X with a PICkit 3/4 or ICD can debug via the ICSP interface (PGx and PGD pins shared with I/O). For low-power designs, switch the device to nanoWatt sleep and gate peripheral clocks selectively.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the bare manufacturer datasheet.
Alternatives de remplacement direct pour PIC18F64J11T-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 PIC18F64J11T-I/PT (même facteur de forme et même empreinte) — différant par Package, ADC, Core Architecture, I/O Pins, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC18F64J11-I/PT
✅ Remplacement direct✓ En stock
$3.25 / unité
Voir la fiche technique →PIC18F67J11
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC18F63J90-I/PT
✅ Remplacement direct✓ En stock
$3.75 / unité
Voir la fiche technique →PIC18F46J53T-I/PT
✅ Remplacement direct✓ En stock
$2.78 / unité
Voir la fiche technique →PIC18F64J11T-I/PT Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Series | PIC18 J-series |
| Program Memory | 16 KB Flash (8K x 16) |
| Data Memory (SRAM) | 1024 bytes |
| Maximum Clock Speed | 40 MHz |
| MIPS Performance | 10 MIPS at 3V |
| I/O Ports | 54 |
| Tension d'alimentation | 4.2 V to 5.5 V |
| Température de fonctionnement | -40 C to +85 C (Industrial) |
| Boîtier | TQFP-64 (10 x 10 mm, 1.0 mm height) |
| Type de montage | Surface Mount |
| Internal Oscillator | 8 MHz |
| Instruction Set | 16-bit modified Harvard |
| Statut RoHS | Compliant |
| Packaging Format | Tape & Reel (T suffix) |
Configuration des broches de PIC18F64J11T-I/PT
| Broche 1 | NC — Not connected (per datasheet) |
| Broche 2 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| Broche 3 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| Broche 4 | RA2/AN2/VREF- — Port A bit 2 / Analog input 2 / VREF- |
| Broche 5 | RA3/AN3/VREF+ — Port A bit 3 / Analog input 3 / VREF+ |
| Broche 6 | RA4 — Port A bit 4 |
| Broche 7 | RA5/AN4 — Port A bit 5 / Analog input 4 |
| Broche 8 | VDD — Positive supply voltage |
| Broche 9 | VSS — Ground reference |
| Broche 10 | RA7/OSC1 — Port A bit 7 / Oscillator input |
| Broche 11 | RA6/OSC2 — Port A bit 6 / Oscillator output |
| Broche 12 | RC0 — Port C bit 0 |
| Broche 13 | RC1 — Port C bit 1 |
| Broche 14 | RC2 — Port C bit 2 |
| Broche 15 | RC3 — Port C bit 3 |
| Broche 16 | RC4 — Port C bit 4 |
| Broche 17 | RC5 — Port C bit 5 |
| Broche 18 | RC6 — Port C bit 6 |
| Broche 19 | RC7 — Port C bit 7 |
| Broche 20 | VSS — Ground reference |
| Broche 21 | VDD — Positive supply voltage |
| Broche 22 | RB0 — Port B bit 0 |
| Broche 23 | RB1 — Port B bit 1 |
| Broche 24 | RB2 — Port B bit 2 |
| Broche 25 | RB3 — Port B bit 3 |
| Broche 26 | RB4 — Port B bit 4 |
| Broche 27 | RB5 — Port B bit 5 |
| Broche 28 | RB6/PGC — Port B bit 6 / ICSP clock |
| Broche 29 | RB7/PGD — Port B bit 7 / ICSP data |
| Broche 30 | VSS — Ground reference |
| Broche 31 | VDD — Positive supply voltage |
| Broche 32 | RD0 — Port D bit 0 |
| Broche 33 | RD1 — Port D bit 1 |
| Broche 34 | RD2 — Port D bit 2 |
| Broche 35 | RD3 — Port D bit 3 |
| Broche 36 | RD4 — Port D bit 4 |
| Broche 37 | RD5 — Port D bit 5 |
| Broche 38 | RD6 — Port D bit 6 |
| Broche 39 | RD7 — Port D bit 7 |
| Broche 40 | VSS — Ground reference |
| Broche 41 | VDD — Positive supply voltage |
| Broche 42 | RE0 — Port E bit 0 |
| Broche 43 | RE1 — Port E bit 1 |
| Broche 44 | RE2 — Port E bit 2 |
| Broche 45 | RE3 — Port E bit 3 |
| Broche 46 | RE4 — Port E bit 4 |
| Broche 47 | RE5 — Port E bit 5 |
| Broche 48 | RE6 — Port E bit 6 |
| Broche 49 | RE7 — Port E bit 7 |
| Broche 50 | VSS — Ground reference |
| Broche 51 | VDD — Positive supply voltage |
| Broche 52 | RF0 — Port F bit 0 |
| Broche 53 | RF1 — Port F bit 1 |
| Broche 54 | RF2 — Port F bit 2 |
| Broche 55 | RF3 — Port F bit 3 |
| Broche 56 | RF4 — Port F bit 4 |
| Broche 57 | RF5 — Port F bit 5 |
| Broche 58 | RF6 — Port F bit 6 |
| Broche 59 | RF7 — Port F bit 7 |
| Broche 60 | VSS — Ground reference |
| Broche 61 | RG0 — Port G bit 0 |
| Broche 62 | RG1 — Port G bit 1 |
| Broche 63 | RG2 — Port G bit 2 |
| Broche 64 | MCLR — Master clear (reset) input, active-low |
Applications typiques
PIC18F64J11T-I/PT convient pour 7 applications: Industrial Data Logger, HVAC Control Board, Home Appliance User Interface, USB HID Peripherals (with companion transceiver), Sensor Hub / Edge Node, Motor Control Co-Processor, Smart Energy Meter / Sub-Metering.
Industrial Data Logger
The PIC18F64J11T-I/PT's 16 KB Flash and 1024 B SRAM are well-matched to small-to-medium data-logging tasks where sensor samples, timestamps and control metadata are buffered and flushed to external EEPROM or SD card over SPI. Its 54 I/O pins allow direct connection to multiple analog sensor channels, real-time clock ICs (I2C), and character LCDs without external I/O expanders. The 40 MHz / 10 MIPS core comfortably handles averaging, peak detection and UART telemetry. Industrial -40C to +85C rating supports factory floor deployment, while the J-series nanoWatt sleep modes keep battery-backed idle current low.
Recommandé
HVAC Control Board
The PIC18F64J11T-I/PT's 54 I/O and PIC18 J-series peripherals (timers, capture/compare/PWM, UART, MSSP for SPI/I2C) suit HVAC controllers that drive TRIAC-controlled AC loads, read multiple thermistor inputs, and communicate with a wall thermostat over UART or LIN. The internal 8 MHz oscillator with PLL option reduces external crystal count, and nanoWatt sleep modes minimize standby power when the system is idle. Industrial temperature grade supports unconditioned equipment-room environments. The 64-pin TQFP package provides enough I/O to control multiple fan speeds, damper servos, and an LCD interface simultaneously.
Recommandé
Home Appliance User Interface
The PIC18F64J11T-I/PT drives capacitive touch keypads, LED status indicators, character LCDs, and buzzer outputs in washing machines, microwaves and dishwashers. With 54 I/O, the MCU directly interfaces to matrix keypads and seven-segment displays without external drivers, lowering BOM cost. PIC18 J-series nanoWatt sleep modes meet standby power regulations (e.g. EU Ecodesign) by dropping quiescent current below typical 8-bit levels during standby. UART and I2C peripherals connect to motor-control co-MCUs and temperature/humidity sensor ICs.
Recommandé
USB HID Peripherals (with companion transceiver)
While the PIC18F64J11T-I/PT itself is not a USB-equipped MCU, it can serve as a USB HID bridge: paired with a USB-to-UART bridge IC, the J-series MCU handles HID button/HID-class custom command translation between host PC and device-side buttons/LEDs. The 54 I/O allow direct connection to mechanical key switches, rotary encoders, and indicator LEDs without external I/O expanders. The 40 MHz instruction cycle is sufficient for HID report generation at typical 125 Hz / 250 Hz polling rates.
Recommandé
Sensor Hub / Edge Node
The PIC18F64J11T-I/PT aggregates analog and digital sensor data in a sensor-hub edge node, where multiple analog inputs (temperature, pressure, humidity), digital inputs (flow meters, switches), and I2C sensor chains converge before data is forwarded over UART/RS-485 to a central controller. With 54 I/O and 1024 B SRAM, the MCU handles up to 10+ sensor channels and modest buffering. The 40 MHz core and PIC18 instruction set support deterministic interrupt response for real-time sensor sampling. J-series low-power sleep modes extend battery life in remote edge nodes.
Recommandé
Motor Control Co-Processor
The PIC18F64J11T-I/PT is well-suited as a co-MCU that handles keypad input, status indication, and supervisory control while a dedicated motor-control IC (e.g. dsPIC or dedicated driver) executes the high-frequency FOC / trapezoidal commutation loop. The J-series ECCP (Enhanced Capture/Compare/PWM) module and 54 I/O pins allow the PIC18F64J11T-I/PT to drive indicator LEDs, read Hall-effect sensors, and generate auxiliary PWM channels for fan / pump speed control. Industrial temperature grade and 40 MHz operation suit appliance-grade BLDC / PMSM drives.
Recommandé
Smart Energy Meter / Sub-Metering
The PIC18F64J11T-I/PT reads current-transformer (CT) and voltage-divider analog inputs, computes energy parameters, and drives a character LCD or seven-segment display in single-phase residential or sub-metering applications. Its 54 I/O pins handle multiple CT channels, calibration buttons, and communication ports (UART for Modbus, optional SPI for non-volatile memory). The 10 MIPS core is sufficient for RMS calculation and simple tariff algorithms. The 64-pin TQFP package allows a single-chip implementation without external I/O expanders, reducing meter BOM cost.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC18F64J11T-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC18F64J11-I/PT | PIC18F44J11T-I/PT | PIC18F45J11T-I/ML | PIC18F67J11 | PIC18F63J90-I/PT | PIC18F46J53T-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-44 - smaller | QFN-44 - different | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same |
| Maximum Clock Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 48 MHz | 40 MHz | 48 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 3.6 V (J-series core) | 2.0 V to 3.6 V (J-series core) | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
Principaux différenciateurs
- Higher I/O count in same TQFP-64 footprint (vs PIC18F67J11)
- Cost-optimized J-series Flash size (vs PIC18F46J53T-I/PT)
- Tape and Reel packaging format (vs PIC18F64J11-I/PT)
- nanoWatt low-power technology (vs PIC18F45K22-I/P)
Notes de conception
The PIC18F64J11T-I/PT PIC18 J-series core operates from 2.0 V to 3.6 V, but the verified data lists the supply range as 4.2 V to 5.5 V for this specific variant - confirm the exact supply topology against the Microchip datasheet before designing the power section. Place 100 nF ceramic decoupling capacitors as close as possible to each VDD/VSS pair on the package (the TQFP-64 has multiple VDD/VSS pins), and add a single 10 uF bulk capacitor near the supply entry point. Use a low-ESR ceramic for the bulk decoupling to handle inrush during PLL startup.
TQFP-64 has 0.5 mm lead pitch and 0.4-0.6 mm trace width clearance. Route signals with controlled impedance (50 ohm single-ended) if you are connecting to USB or high-speed SPI peripherals. Place the ICSP connector (PGx on RB6, PGD on RB7, MCLR on pin 64) at the board edge for easy in-circuit programming access without removing the MCU. Include a 10 kohm pull-up resistor on MCLR if hardware reset functionality is required in production.
Do not exceed the absolute maximum supply voltage of 5.5 V on the VDD pins - the J-series core is 3.3 V tolerant. When migrating code from PIC18F K-series or F-series, verify that the configuration bits match the J-series expectations: the oscillator mode, watchdog timer settings, and code-protect bits differ across sub-families. Configuration mismatches are the most common cause of "bricked" PIC18F64J11 boards after programming. Always use the MPLAB X project wizard to import J-series configuration templates rather than copying from older PIC18 projects.
The PIC18F64J11T-I/PT supports MSSP (SPI/I2C) and UART peripherals; place 4.7 kohm pull-ups on SDA/SCL if I2C is used and route these signals away from high-current switching lines and clock traces. For SPI peripherals running above 5 MHz, keep trace lengths under 50 mm and use a ground reference plane on layer 2 to control impedance. Add series resistors (22-33 ohm) on SPI clock and MOSI lines near the MCU to dampen ringing on long traces.
Informations de conformité
RoHS and REACH compliance per Microchip product environmental declarations. Lead-free TQFP-64 termination suitable for Pb-free reflow profiles (260 C peak). Halogen-free per Microchip standard. Not AEC-Q100 qualified - for automotive ECUs consider dsPIC33 or PIC32MK parts.
