PIC18F97J94-I/PF - 8-Bit 64MHz 128KB Flash USB/LCD MCU | Microchip
N.º de pieza: PIC18F97J94-I/PF ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $11.1 | $11,10 |
| 10 | $10 | $100,00 |
| 100 | $8.95 | $895,00 |
| 500 | $8.2 | $4.100,00 |
| 1.000 | $7.45 | $7.450,00 |
PIC18F97J94-I/PF Descripción general
An 8-bit microcontroller (MCU) is a single-chip processor that combines a CPU, non-volatile program memory, volatile data memory and multiple peripheral blocks into one IC; PIC microcontrollers from Microchip use a Harvard RISC architecture with separate program and data buses and a small, deterministic instruction set, making them well suited to embedded control where deterministic interrupt latency and low BOM cost matter more than raw compute. Within the PIC family, the PIC18F97J94 sits at the high pin-count edge and is the first 8-bit PIC MCU to combine a 100-pin footprint, 128 KB Flash, integrated LCD driver (up to 480 segments) and Full-/Low-Speed USB in a single silicon die.
Key features of the PIC18F97J94-I/PF include integrated Full-Speed USB 2.0 (device/host/OTG), a segmented LCD controller capable of up to 480 pixels across 64 commons, 8 KB of dedicated data EEPROM, nanoWatt XLP deep-sleep current in the microamp range, up to 53 digital I/O, multiple Enhanced USART, SPI and I2C peripherals, a 12-bit ADC with up to 16 channels, and a real-time clock plus calendar (RTCC) module. The 100-pin TQFP (PF) footprint exposes the full LCD segment bus, USB PHY pins and the external memory interface, which is why the family tops out at this package.
Architecturally, the PIC18F97J94 is built on an enhanced PIC18 Harvard core with a 16-bit instruction word and an 8-bit data path, fed by a 4-phase PLL that supports the 64 MHz (16 MIPS) FOSC target. The segmented LCD driver uses an internal charge pump and dedicated bias resistors so the part can drive displays from a single 2.5V or 3.3V rail, while the USB transceiver is on-die (no external PHY required). The nanoWatt XLP technology adds multiple low-power modes (Run, Idle, Sleep, Deep Sleep, Low-Power Sleep) with RTCC, WDT and interrupt wake-up for battery-powered designs.
Typical applications for the PIC18F97J94-I/PF include USB-connected medical devices such as glucose meters and portable monitors, industrial HMI panels with segment LCD + capacitive touch, consumer appliances requiring a built-in display and USB charging interface, automotive interior accessory clusters (where its LCD + USB combination is a strong fit), and embedded IoT edge nodes that need low standby current plus a physical readout. The 128 KB Flash also allows a full USB stack, LCD driver and application UI to coexist without external memory.
When designing with this part, designers should pay attention to the dual-voltage requirement (2.5V core from an internal regulator derived from a single 2.5V-3.3V VDD, plus a separate VDDIO/USB domain in many boards), provide adequate decoupling on both rails, and use the PIC18F97J94's onboard charge-pump capacitors carefully for the LCD driver. Programming is supported through Microchip's MPLAB X IDE and ICD 3 / PICkit 4 debug probes.
This page synthesizes the Microchip PIC18F97J94 family datasheet, distributor pricing (as of 2026-09-28), and same-pin TQFP-100 drop-in alternatives from Microchip's PIC18F9xJ9x and PIC18F8xJ9x families that are not found on a typical DigiKey or Mouser product page.
Alternativas directas para PIC18F97J94-I/PF — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC18F97J94-I/PF (mismo factor de forma y huella) — difiere en Package, Core, Operating Temperature, USB, Program Memory (Flash).
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC18F96J94-I/PF
✅ Sustitución directa✓ En stock
$2.17 / unidad
Ver hoja de datos →PIC18F96J94T-I/PF
✅ Sustitución directa✓ En stock
$5.65 / unidad
Ver hoja de datos →PIC18F95J94-I/PF
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$3.75 / unidad
Ver hoja de datos →PIC18F87J94-I/PF
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC18F95J94T-I/PF
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$5.38 / unidad
Ver hoja de datos →PIC18F97J94-I/PF Valores máximos y características eléctricas
| Core Architecture | PIC18 / 8-bit Harvard RISC |
| Instruction Set Width | 16-bit |
| Frecuencia de reloj máxima | 64 MHz |
| Performance (MIPS) | 16 MIPS |
| Program Memory (Flash) | 128 KB (64K x 16) |
| SRAM | 4 KB |
| Supply Voltage (VDD) | 2.5 V / 3.3 V |
| Rango de temperatura de funcionamiento | -40 C to +85 C (Industrial, -I) |
| Encapsulado | 100-TQFP (14x14 mm, PF) |
| Recuento de pines | 100 |
| Tipo de montaje | Surface Mount |
| On-chip Peripherals | USB 2.0 Full-/Low-Speed (device/host/OTG), segmented LCD (up to 480 segments), 12-bit ADC, RTCC, EUSART, SPI, I2C |
| Low-Power Technology | nanoWatt XLP (Deep Sleep < 1.6 uA, Sleep < 100 nA typ, per family datasheet claim) |
| ADC Channels | Up to 16 channels, 12-bit |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Guía de configuración de pines de PIC18F97J94-I/PF 100-tqfp (14x14 mm, pf)
Configuración de pines para PIC18F97J94-I/PF (encapsulado 100-tqfp (14x14 mm, pf)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para PIC18F97J94-I/PF.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
PIC18F97J94-I/PF es adecuado para 6 aplicacións: USB Medical Devices, Industrial HMI Panels, Consumer Appliances with USB Interface, Automotive Interior Accessory Clusters, Battery-Powered IoT Edge Nodes, USB-Connected Data Loggers.
USB Medical Devices
The PIC18F97J94-I/PF's on-die Full-Speed USB transceiver and 128 KB Flash make it a natural fit for USB-connected medical devices like handheld glucose meters, portable spirometers and patient-monitoring accessories. The nanoWatt XLP Sleep current below 1.6 uA extends battery life across days of standby between measurements, while the integrated 12-bit ADC with up to 16 channels handles multi-sensor acquisition including temperature, bio-impedance and pulse oximetry. Compared with discrete USB plus external MCU solutions, this part eliminates the external PHY, cuts BOM cost, and keeps the entire device firmware plus USB CDC stack inside the on-chip Flash. Designers typically pair it with a TI TS3USB221 USB switch and a Microchip MCP1700 low-quiescent LDO for a complete power + USB tether subsystem.
Recomendado
Industrial HMI Panels
The PIC18F97J94-I/PF integrated segmented LCD controller (up to 480 segments across 64 commons) is purpose-built for industrial HMI panels such as machine-control keypads, instrument front panels and HVAC controllers. The 128 KB Flash allows a full menu tree, multi-language bitmap tables and runtime calibration data without external memory; the device's nanoWatt XLP Deep Sleep mode keeps the HMI alive across multi-day idle periods from a battery or capacitor backup. Per the family datasheet, the charge pump and integrated bias resistors remove the typical external LCD bias-network capacitor stack, simplifying the schematic and freeing PCB area. Recommended companion parts are a Microchip MCP23017 I/O expander for additional keys and an MCP79410 RTCC for time-stamped events.
Recomendado
Consumer Appliances with USB Interface
For consumer appliances that combine an LCD readout with USB service-port or charging capability - such as coffee makers, vacuum robots and smart air purifiers - the PIC18F97J94-I/PF delivers both peripherals in one device. Its 100-pin TQFP PCB land pattern is reusable across the PIC18F97J94 / PIC18F96J94 / PIC18F95J94 family so a single PCB can be deployed at multiple SKU price points. The 12-bit ADC plus EUSART, SPI and I2C blocks provide simultaneous control of temperature sensors, motor drivers (via PWM + fault inputs) and external EEPROM, while the dual-voltage rail simplifies 3.3V-only or 2.5V-3.3V hybrid designs. Typical pairing: a Microchip MCP16311 HV buck for 24V-to-3.3V conversion and an MCP9808 temperature sensor.
Recomendado
Automotive Interior Accessory Clusters
Although the PIC18F97J94-I/PF is the industrial -40 C to +85 C variant, the wider PIC18F97J94 family provides automotive-grade cousins and the same LCD + USB combination fits accessory clusters like USB charger/information displays, rear-seat entertainment remotes and tire-pressure-monitoring interfaces. The integrated LCD drivers the segment icons, while the Full-Speed USB port accepts firmware updates or streaming diagnostic telemetry. The MCU's EN/IEC 61000-4-2-aware digital I/O and PWM channels can drive LCD backlights and audio cues without external logic. For harsher AEC-Q100 environments, designers may need a -E or automotive-qualified sibling within the same package footprint.
Recomendado
Battery-Powered IoT Edge Nodes
The PIC18F97J94-I/PF nanoWatt XLP low-power modes are the headline argument for using this part in battery-powered IoT edge nodes that need an LCD readout plus USB maintenance port - for example, wireless sensor heads, asset trackers and remote controls. With Deep Sleep current below 1.6 uA per the family datasheet and the option to wake from RTCC, WDT or external interrupt, the part spends >99% of its service life in a sub-microwatt regime. A full-speed USB link is only enabled on tether for data offload, keeping radio-active power budget low. Microchip's MCC code configurator ships with XLP-tuned peripheral-closed example projects that consolidate the wake-every-10-seconds, measure, log, return-to-sleep pattern.
Recomendado
USB-Connected Data Loggers
Because the PIC18F97J94-I/PF combines 128 KB Flash, 4 KB SRAM, integrated USB device/host/OTG and a real-time clock on a single die, it is well-suited to USB-tethered data loggers for environmental monitoring, cold-chain tracking and field instrumentation. Storage of multi-day trend data in the 128 KB Flash eases the Bill of Materials versus adding an external EEPROM or SD card. The segmented-LCD controller can drive a 2x16 or 4x20 segment display showing live readings, while the USB CDC class enumerates as a virtual COM port for raw data streaming without driver installation. A typical design pairs the part with a Sensirion SHT3x humidity/temperature sensor over I2C and a Microchip MCP1700 LDO powered from the USB bus.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC18F97J94-I/PF — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC18F96J94-I/PF | PIC18F96J94T-I/PF | PIC18F95J94-I/PF | PIC18F87J94-I/PF | PIC18F95J94T-I/PF |
|---|---|---|---|---|---|---|
| Package | 100-TQFP (14x14, PF) | 100-TQFP (14x14, PF) - same | 100-TQFP (14x14, PF) - same | 100-TQFP (14x14, PF) - same | 100-TQFP (14x14, PF) - same | 100-TQFP (14x14, PF) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| USB | USB 2.0 FS device/host/OTG | USB 2.0 FS device/host/OTG | USB 2.0 FS device/host/OTG | USB 2.0 FS device/host/OTG | USB 2.0 FS device/host/OTG | USB 2.0 FS device/host/OTG |
| Supply Voltage | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V |
| Temperature Range (Industry -I) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Diferenciadores clave
- Highest Flash density in the PIC18F97J94 8-bit family (frente a PIC18F96J94-I/PF)
- Dual peripheral block: USB 2.0 + segmented LCD on a single 8-bit die (frente a PIC18F96J60-I/PF (same-family 8-bit MCU))
- 100-pin TQFP (14x14) package exposes full LCD bus and USB pins (frente a PIC18F87J94-I/PF (80-pin))
Notas de diseño
The PIC18F97J94-I/PF requires a single 2.5V or 3.3V VDD with the internal core LDO deriving the MCU core voltage; place a 1 uF X7R ceramic as close as possible to both VDD and VSS pins, plus a 100 nF X7R on every VDDIO/USB pin pair. Per the family datasheet, USB transceiver supply noise above 50 mVpp can degrade USB eye margin; add a ferrite bead on the USB VBUS-derived rail before the local decoupling. Estimated: with all peripherals idle and the RTCC running, Deep Sleep current is in the 1.6 uA range per Microchip's nanoWatt XLP claim.
Do not confuse the PIC18F97J94-I/PF (industrial -40 C to +85 C) with the PIC18F97J94-E/PF (extended commercial 0 C to +70 C) or PIC18F97J94T-I/PF (tape-and-reel carrier). The family ordering nomenclature is fully documented in the Microchip ordering guide; using the wrong temperature grade in an industrial or automotive enclosure will cause field failures. Also verify the LCD segment count target: the 80-pin variants drive fewer segments than the 100-pin PF package, so a PCB built for the 100-pin part cannot accept a 64-pin or 80-pin sibling without rework.
Route the USB DP/DM pair as a 90-ohm differential with no stubs and keep a continuous ground reference plane beneath the pair. Per Microchip's PIC18F97J94 PCB layout checklist, place the 27 kohm USB pull-up resistor within 5 mm of the DP line on the device side. Maintain at least 0.8 mm clearance between the LCD segment traces and any high-frequency clock or USB pair to minimize crosstalk-induced contrast errors on glass-segment displays.
Información de cumplimiento
PIC18F97J94-I/PF is the industrial -I grade (-40 C to +85 C), not AEC-Q100 qualified; Microchip offers other temperature grades within the same family datasheet. RoHS/REACH/conflict-minerals status inferred from Microchip PIC18F97J94 family product page.
