PIC18F66J93-I/PT - 48MHz, 64KB Flash LCD MCU, 64-TQFP | Microchip
N.º da peça: PIC18F66J93-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $7.92 | $7,92 |
| 10 | $7.13 | $71,30 |
| 100 | $6.34 | $634,00 |
| 500 | $5.69 | $2.845,00 |
| 1.000 | $5.05 | $5.050,00 |
PIC18F66J93-I/PT Visão geral
What is an 8-bit LCD microcontroller? An 8-bit LCD microcontroller is a single-chip computer that combines a CPU, non-volatile Flash memory, RAM, peripherals, and an integrated segmented LCD driver. The PIC18F66J93 belongs to the taxonomy: microcontroller -> 8-bit MCU -> PIC18 family -> PIC18J LCD sub-family -> power-managed (nanoWatt XLP). It is typically chosen when a product needs a graphical or numeric LCD readout without an external LCD controller, plus analog sensing.
Key features include 64 KB of self-programmable Flash, 4 KB of RAM, integrated segmented LCD driver (up to 64 segments typical), 12-bit A/D with 12 input channels, nanoWatt XLP for ultra-low sleep currents, multiple communication peripherals (UART, SPI, I2C), and a wide operating voltage range. The integrated LCD driver eliminates an external charge-pump IC and reduces BOM cost in handheld products.
From a technical-depth perspective, the PIC18F66J93 uses an enhanced Harvard architecture with a C-optimized instruction set, hardware multiplier, and 31-level hardware stack. The nanoWatt XLP technology delivers deep-sleep currents in the nanoampere range, making the device suitable for battery-powered meters. The integrated 12-bit ADC includes internal reference and automatic acquisition modes for accurate sensor measurements.
Typical applications include handheld battery-powered meters, thermostats and HVAC controllers, home security panels, portable medical devices (glucometers, BP monitors), and utility metering products. The combination of integrated LCD, ADC, and low-power operation makes the part a single-chip solution for these applications.
When designing with this device, plan the LCD segment routing carefully because the maximum segment count depends on the chosen pin assignment and multiplexing mode. Use Microchip's MPLAB X IDE and the PIC18F66J93 Peripheral Library to accelerate firmware development. Provide a decoupling capacitor pair (100 nF + 10 uF) close to VDD/VSS to ensure ADC and LCD reference stability.
This page synthesizes distributor pricing, drop-in compatible PIC18 family alternatives from the same TQFP-64 footprint, and practical design notes not consolidated in the manufacturer datasheet alone.
Alternativas drop-in para PIC18F66J93-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 PIC18F66J93-I/PT (mesmo formato e footprint) — diferindo em Package, ADC, Operating Temperature, Core, LCD Driver.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F66J94-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$5.1 / unidade
Ver ficha técnica →PIC18F65J94-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.89 / unidade
Ver ficha técnica →PIC18F66J90-I/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
PIC18F66J55-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.31 / unidade
Ver ficha técnica →PIC18F66J50T-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$5.1 / unidade
Ver ficha técnica →PIC18F66J93-I/PT Classificações máximas e características elétricas
| Product Family | PIC18J (LCD PIC18) |
| Core | 8-bit PIC18 enhanced Harvard |
| CPU Speed | 48 MHz (12 MIPS) |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 4 KB |
| ADC | 12-bit, 12 channels |
| LCD Driver | Integrated segmented LCD controller |
| Communication | UART, SPI, I2C |
| Low Power Technology | nanoWatt XLP |
| Encapsulamento | TQFP-64 (PT) 10x10 mm |
| Faixa de temperatura de operação | -40C to +85C (Industrial, -I suffix) |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Configuração de pinos do PIC18F66J93-I/PT
| Pino 1 | VDD — Positive supply voltage |
| Pino 2 | OSC1 — External oscillator input |
| Pino 3 | OSC2 — External oscillator output |
| Pino 4 | MCLR — Master clear / reset input |
| Pino 5 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Pino 6 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Pino 7 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| Pino 8 | RA3/AN3 — PORTA bit 3 / analog input 3 |
| Pino 9 | RA4/AN4 — PORTA bit 4 / analog input 4 |
| Pino 10 | RA5/AN5 — PORTA bit 5 / analog input 5 |
| Pino 11 | RA6 — PORTA bit 6 |
| Pino 12 | RA7 — PORTA bit 7 |
| Pino 13 | VSS — Ground reference |
| Pino 14 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| Pino 15 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| Pino 16 | RB2 — PORTB bit 2 |
| Pino 17 | RB3 — PORTB bit 3 |
| Pino 18 | RB4 — PORTB bit 4 |
| Pino 19 | RB5 — PORTB bit 5 |
| Pino 20 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pino 21 | RB7/PGD — PORTB bit 7 / ICSP data |
| Pino 22 | RC0 — PORTC bit 0 |
| Pino 23 | RC1 — PORTC bit 1 |
| Pino 24 | RC2 — PORTC bit 2 |
| Pino 25 | RC3 — PORTC bit 3 |
| Pino 26 | RC4 — PORTC bit 4 |
| Pino 27 | RC5 — PORTC bit 5 |
| Pino 28 | RC6 — PORTC bit 6 |
| Pino 29 | RC7 — PORTC bit 7 |
| Pino 30 | VSS — Ground reference |
| Pino 31 | VDD — Positive supply voltage |
| Pino 32 | RD0 — PORTD bit 0 |
| Pino 33 | RD1 — PORTD bit 1 |
| Pino 34 | RD2 — PORTD bit 2 |
| Pino 35 | RD3 — PORTD bit 3 |
| Pino 36 | RD4 — PORTD bit 4 |
| Pino 37 | RD5 — PORTD bit 5 |
| Pino 38 | RD6 — PORTD bit 6 |
| Pino 39 | RD7 — PORTD bit 7 |
| Pino 40 | RE0 — PORTE bit 0 |
| Pino 41 | RE1 — PORTE bit 1 |
| Pino 42 | RE2 — PORTE bit 2 |
| Pino 43 | RE3 — PORTE bit 3 |
| Pino 44 | RE4 — PORTE bit 4 |
| Pino 45 | RE5 — PORTE bit 5 |
| Pino 46 | RE6 — PORTE bit 6 |
| Pino 47 | RE7 — PORTE bit 7 |
| Pino 48 | RF0 — PORTF bit 0 (LCD segment) |
| Pino 49 | RF1 — PORTF bit 1 (LCD segment) |
| Pino 50 | RF2 — PORTF bit 2 (LCD segment) |
| Pino 51 | RF3 — PORTF bit 3 (LCD segment) |
| Pino 52 | RF4 — PORTF bit 4 (LCD segment) |
| Pino 53 | RF5 — PORTF bit 5 (LCD segment) |
| Pino 54 | RF6 — PORTF bit 6 (LCD segment) |
| Pino 55 | RF7 — PORTF bit 7 (LCD segment) |
| Pino 56 | RG0 — PORTG bit 0 |
| Pino 57 | RG1 — PORTG bit 1 |
| Pino 58 | RG2 — PORTG bit 2 |
| Pino 59 | RG3 — PORTG bit 3 |
| Pino 60 | RG4 — PORTG bit 4 |
| Pino 61 | AVDD — Analog supply voltage |
| Pino 62 | AVSS — Analog ground |
| Pino 63 | VLCD1 — LCD bias voltage 1 |
| Pino 64 | VLCD2 — LCD bias voltage 2 |
Aplicações típicas
PIC18F66J93-I/PT é adequado para 6 aplicaçãos: Handheld Battery-Powered Meters, Thermostats and HVAC Controllers, Home Security Panels, Portable Medical Devices, Utility Metering (Electric / Water / Gas), Industrial Control Panels.
Handheld Battery-Powered Meters
The PIC18F66J93-I/PT's nanoWatt XLP technology delivers nanoampere sleep currents and integrated 12-bit ADC makes it ideal for handheld battery-powered meters (multimeters, clamp meters). The integrated segmented LCD driver eliminates an external charge-pump IC, reducing BOM cost. Typical designs run from 2xAA cells with the 64 KB Flash and 4 KB RAM supporting user interface, calibration, and measurement history. The wide operating voltage and -40C to +85C industrial range suit outdoor metering installations.
Recomendado
Thermostats and HVAC Controllers
With integrated LCD driver and 12 channels of 12-bit ADC, the PIC18F66J93-I/PT supports thermostats that display temperature, humidity, schedule, and HVAC state on a segmented LCD without an external driver. The 12 MIPS CPU enables real-time PID control loops for HVAC actuators. nanoWatt XLP allows the thermostat to retain battery-backed timekeeping for months. The 64-pin TQFP provides ample I/O for buttons, relays, and sensor interfaces.
Recomendado
Home Security Panels
The PIC18F66J93-I/PT fits home security panels needing a keypad + LCD interface, multiple wired sensor zones, and a low-power standby state. Its 12-bit ADC reads multiple analog sensor channels (PIR, smoke, CO), while the integrated LCD displays zone status without an external charge-pump. UART peripherals drive GSM/Wi-Fi modules for alarm reporting. The PIC18F66J93 industrial temperature range suits garage or outdoor-mounted panels.
Recomendado
Portable Medical Devices
Portable medical devices such as glucometers, BP monitors, and pulse oximeters benefit from the PIC18F66J93-I/PT's integrated 12-bit ADC (for analog sensor front ends), low-power nanoWatt XLP (extending battery life), and segmented LCD driver (displaying readings without extra ICs). The 64 KB Flash accommodates medical-grade firmware with calibration routines and on-screen user prompts. The wide temperature range supports refrigerated pharmaceutical storage monitoring.
Recomendado
Utility Metering (Electric / Water / Gas)
The PIC18F66J93-I/PT is well-suited to electric, water, and gas meters that demand reliable LCD display, accurate analog sensing, and battery life measured in years. nanoWatt XLP enables sleep currents below 100 nA in metering idle mode. The 12-bit ADC and integrated LCD directly handle current-sense front ends and segmented numeric readouts. Industrial temperature range ensures operation in outdoor metering enclosures and meter pits.
Recomendado
Industrial Control Panels
Industrial control panels with HMI LCD readouts benefit from the PIC18F66J93-I/PT's combination of segmented LCD, 12-bit ADC, UART/SPI/I2C peripherals, and robust -40C to +85C industrial temperature range. The 12 MIPS CPU executes menu and PID control code, while the integrated peripherals drive RS-485, Modbus, or CAN modules. The TQFP-64 footprint allows compact panel designs with sufficient I/O for buttons, LEDs, and relay drivers.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18F66J93-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F66J94-I/PT | PIC18F65J94-I/PT | PIC18F66J90-I/PT | PIC18F66J55-I/PT | PIC18F66J50T-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64-128 KB (variant) | 64 KB | 64 KB | 64 KB | 64 KB |
| RAM | 4 KB | 4-8 KB (variant) | 4 KB | 4 KB | 4 KB | 4 KB |
| CPU Speed | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 40 MHz / 10 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS |
| ADC Resolution | 12-bit, 12 channels | 12-bit, 12 channels | 12-bit, 12 channels | 10-bit, 12 channels | 10-bit, 12 channels | 12-bit, 12 channels |
| Integrated LCD Driver | Yes | Yes (more segments) | Yes | Yes | Yes | Yes |
| nanoWatt XLP Low Power | Yes | Yes | Yes | No | Yes | Yes |
Principais diferenciais
- Integrated segmented LCD driver eliminates external charge-pump IC (vs PIC18F46K22-I/PT)
- nanoWatt XLP ultra-low sleep current for battery applications (vs PIC18F66J90-I/PT)
- 12-bit ADC vs 10-bit ADC for higher-precision analog sensing (vs PIC18F66J55-I/PT)
Notas de projeto
Place a 100 nF ceramic decoupling capacitor within 5 mm of every VDD pin and a 10 uF bulk capacitor near the IC supply. Estimated: total VDD pin count is 4 (digital VDD + analog AVDD), so a 4-cap local-decoupling network plus shared bulk cap is recommended. This suppresses switching noise and ensures ADC reference stability. For battery-powered designs, route the MCU's regulated supply from an LDO with low quiescent current (e.g., MCP1700) to minimize sleep current.
Do not confuse the Industrial (-I) and Extended (-E) temperature suffixes; PIC18F66J93-I/PT is rated -40C to +85C, suitable for consumer/industrial products but NOT automotive. For automotive or outdoor-extreme environments, choose the AEC-Q100-qualified equivalent. Also confirm the bootloader/Firmware ID (DevID) before programming to avoid flashing the wrong family member. MCLR must be pulled high through a resistor for normal operation; tying it directly to VDD disables in-circuit programming.
Route the LCD segment signals to the chosen LCD glass layout carefully - the maximum segment count depends on pin assignment and multiplexing mode (1/2, 1/3, 1/4 bias). Estimated: with all 64 pins assigned, the device supports up to ~192 segments in 1/4 bias mode. Use Microchip's MPLAB X IDE with the PIC18F66J93 Peripheral Library to autogenerate configuration code, reducing firmware cycle time. Place VLCD1/VLCD2 filter caps near the IC and isolate analog AVDD from digital VDD by ferrite bead.
Informações de conformidade
RoHS compliant per Microchip product page. Industrial -I temperature grade (-40C to +85C). AEC-Q100 qualification: not_applicable for this part number - contact Microchip for automotive-grade equivalents.
