PIC18F66J93-I/PT - 48MHz, 64KB Flash LCD MCU, 64-TQFP | Microchip
Référence : PIC18F66J93-I/PT ✓ Actif| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour PIC18F66J93-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 PIC18F66J93-I/PT (même facteur de forme et même empreinte) — différant par Package, ADC, Operating Temperature, Core, LCD Driver.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC18F66J94-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$5.1 / unité
Voir la fiche technique →PIC18F65J94-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.89 / unité
Voir la fiche technique →PIC18F66J90-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC18F66J55-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.31 / unité
Voir la fiche technique →PIC18F66J50T-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$5.1 / unité
Voir la fiche technique →PIC18F66J93-I/PT Valeurs maximales et caractéristiques électriques
| 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 |
| Boîtier | TQFP-64 (PT) 10x10 mm |
| Plage de température de fonctionnement | -40C to +85C (Industrial, -I suffix) |
| Type de montage | Surface Mount |
| Niveau MSL | 3 (168 hours) |
| Statut RoHS | Compliant |
Configuration des broches de PIC18F66J93-I/PT
| Broche 1 | VDD — Positive supply voltage |
| Broche 2 | OSC1 — External oscillator input |
| Broche 3 | OSC2 — External oscillator output |
| Broche 4 | MCLR — Master clear / reset input |
| Broche 5 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Broche 6 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Broche 7 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| Broche 8 | RA3/AN3 — PORTA bit 3 / analog input 3 |
| Broche 9 | RA4/AN4 — PORTA bit 4 / analog input 4 |
| Broche 10 | RA5/AN5 — PORTA bit 5 / analog input 5 |
| Broche 11 | RA6 — PORTA bit 6 |
| Broche 12 | RA7 — PORTA bit 7 |
| Broche 13 | VSS — Ground reference |
| Broche 14 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| Broche 15 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| Broche 16 | RB2 — PORTB bit 2 |
| Broche 17 | RB3 — PORTB bit 3 |
| Broche 18 | RB4 — PORTB bit 4 |
| Broche 19 | RB5 — PORTB bit 5 |
| Broche 20 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Broche 21 | RB7/PGD — PORTB bit 7 / ICSP data |
| Broche 22 | RC0 — PORTC bit 0 |
| Broche 23 | RC1 — PORTC bit 1 |
| Broche 24 | RC2 — PORTC bit 2 |
| Broche 25 | RC3 — PORTC bit 3 |
| Broche 26 | RC4 — PORTC bit 4 |
| Broche 27 | RC5 — PORTC bit 5 |
| Broche 28 | RC6 — PORTC bit 6 |
| Broche 29 | RC7 — PORTC bit 7 |
| Broche 30 | VSS — Ground reference |
| Broche 31 | VDD — Positive supply voltage |
| Broche 32 | RD0 — PORTD bit 0 |
| Broche 33 | RD1 — PORTD bit 1 |
| Broche 34 | RD2 — PORTD bit 2 |
| Broche 35 | RD3 — PORTD bit 3 |
| Broche 36 | RD4 — PORTD bit 4 |
| Broche 37 | RD5 — PORTD bit 5 |
| Broche 38 | RD6 — PORTD bit 6 |
| Broche 39 | RD7 — PORTD bit 7 |
| Broche 40 | RE0 — PORTE bit 0 |
| Broche 41 | RE1 — PORTE bit 1 |
| Broche 42 | RE2 — PORTE bit 2 |
| Broche 43 | RE3 — PORTE bit 3 |
| Broche 44 | RE4 — PORTE bit 4 |
| Broche 45 | RE5 — PORTE bit 5 |
| Broche 46 | RE6 — PORTE bit 6 |
| Broche 47 | RE7 — PORTE bit 7 |
| Broche 48 | RF0 — PORTF bit 0 (LCD segment) |
| Broche 49 | RF1 — PORTF bit 1 (LCD segment) |
| Broche 50 | RF2 — PORTF bit 2 (LCD segment) |
| Broche 51 | RF3 — PORTF bit 3 (LCD segment) |
| Broche 52 | RF4 — PORTF bit 4 (LCD segment) |
| Broche 53 | RF5 — PORTF bit 5 (LCD segment) |
| Broche 54 | RF6 — PORTF bit 6 (LCD segment) |
| Broche 55 | RF7 — PORTF bit 7 (LCD segment) |
| Broche 56 | RG0 — PORTG bit 0 |
| Broche 57 | RG1 — PORTG bit 1 |
| Broche 58 | RG2 — PORTG bit 2 |
| Broche 59 | RG3 — PORTG bit 3 |
| Broche 60 | RG4 — PORTG bit 4 |
| Broche 61 | AVDD — Analog supply voltage |
| Broche 62 | AVSS — Analog ground |
| Broche 63 | VLCD1 — LCD bias voltage 1 |
| Broche 64 | VLCD2 — LCD bias voltage 2 |
Applications typiques
PIC18F66J93-I/PT convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC18F66J93-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.
