PIC18F45J10-I/P - 8-Bit 40MHz 32KB Flash MCU | Microchip
N.º da peça: PIC18F45J10-I/P ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.2 | $4,20 |
| 10 | $3.78 | $37,80 |
| 100 | $3.36 | $336,00 |
| 500 | $2.94 | $1.470,00 |
| 1.000 | $2.52 | $2.520,00 |
PIC18F45J10-I/P Visão geral
An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions 8 bits wide, balances code density with deterministic real-time behavior, and integrates CPU core, Flash, RAM, peripherals, and I/O on one die. The PIC18 family belongs to Microchip's high-performance RISC MCU line within the broader microcontroller -> embedded controller -> semiconductor taxonomy. 8-bit MCUs remain dominant in cost-sensitive, low-power, and I/O-rich designs where 32-bit performance is unnecessary.
Key features of the PIC18F45J10-I/P include nanoWatt technology for power-managed sleep modes, in-circuit serial programming (ICSP), a 10-bit ADC, multiple timers, PWM channels, and a wide operating voltage range typical of the J-series family. The 40-pin PDIP package offers through-hole ease-of-prototyping and broad breadboard compatibility for engineers and hobbyists.
Architecturally, the PIC18F45J10 uses an 8-bit modified Harvard RISC core with single-cycle instruction execution at 40 MHz (10 MIPS). The Flash-based program memory supports field upgrades via ICSP, and emulated EEPROM in software reduces bill of materials. The J-series internal architecture trades 5 V tolerance for lower-voltage optimized operation, making it suitable for 3.3 V designs.
Typical applications include consumer appliances, low-cost industrial controllers, sensor interface boards, automotive body modules, and educational/hobbyist platforms. The combination of nanoWatt power management and LIN-capable USART also targets LIN-connected automotive sub-modules and small mechatronic subsystems.
When designing with this MCU, ensure the supply rail stays within the J-series voltage window and that high-voltage (5 V) signals are level-shifted to avoid latch-up. Through-hole DIP-40 footprints simplify rework and prototype iteration; for production, the same silicon is available in TQFP/QFN packages for SMT.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not collated in the manufacturer datasheet, giving engineers a faster path to part selection for 8-bit embedded designs.
Alternativas drop-in para PIC18F45J10-I/P — 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 PIC18F45J10-I/P (mesmo formato e footprint) — diferindo em ADC, Package, Communication Interfaces, Core, Data RAM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F46J13-I/P
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F44J10-I/PT
✅ Drop-In✓ Em estoque
$3.1 / unidade
Ver ficha técnica →PIC18F45J10-I/PREL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F45J10-I/SP
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F45J10-I/SO
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18F45J10-I/P Classificações máximas e características elétricas
| Core Architecture | PIC 8-bit RISC (PIC18) |
| Program Memory Type | Flash |
| Program Memory Size | 32 KB (16K x 16) |
| RAM Size | 1 KB |
| EEPROM | Emulated |
| Maximum CPU Frequency | 40 MHz |
| Operating Voltage | 2.0 V to 3.6 V (J-series 3.3 V typical) |
| Encapsulamento | 40-pin PDIP (DIP-40) |
| Tipo de montagem | Through-Hole |
| ADC | 10-bit (per datasheet) |
| Flash Endurance | 1 k erase/write cycles |
| Communication Interfaces | Enhanced USART (LIN-capable), 2x I2C/SPI synchronous serial ports with I2C address masking |
| Programming | ICSP (In-Circuit Serial Programming) |
| Power Management | nanoWatt technology |
| Faixa de temperatura de operação | -40C to +85C (Industrial, 'I' suffix) |
| Status RoHS | Compliant |
Configuração de pinos do PIC18F45J10-I/P
| Pino 1 | MCLR — Master Clear (reset, active low) |
| Pino 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Pino 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Pino 4 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| Pino 5 | RA3/AN3 — PORTA bit 3 / analog input 3 |
| Pino 6 | RA4 — PORTA bit 4 |
| Pino 7 | RA5/AN4 — PORTA bit 5 / analog input 4 |
| Pino 8 | VSS — Ground |
| Pino 9 | RA7 — PORTA bit 7 / oscillator input |
| Pino 10 | RA6 — PORTA bit 6 / oscillator output |
| Pino 11 | RC0/T1OSO — PORTC bit 0 / Timer1 oscillator output |
| Pino 12 | RC1/T1OSI — PORTC bit 1 / Timer1 oscillator input |
| Pino 13 | RC2/CCP1 — PORTC bit 2 / Capture-Compare-PWM 1 |
| Pino 14 | RC3 — PORTC bit 3 |
| Pino 15 | RC4 — PORTC bit 4 |
| Pino 16 | RC5 — PORTC bit 5 |
| Pino 17 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| Pino 18 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| Pino 19 | VSS — Ground |
| Pino 20 | VDD — Positive supply |
| Pino 21 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| Pino 22 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| Pino 23 | RB2/INT2 — PORTB bit 2 / external interrupt 2 |
| Pino 24 | RB3 — PORTB bit 3 |
| Pino 25 | RB4 — PORTB bit 4 |
| Pino 26 | RB5 — PORTB bit 5 |
| Pino 27 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pino 28 | RB7/PGD — PORTB bit 7 / ICSP data |
| Pino 29 | VSS — Ground |
| Pino 30 | VDD — Positive supply |
| Pino 31 | RD0 — PORTD bit 0 |
| Pino 32 | RD1 — PORTD bit 1 |
| Pino 33 | RD2 — PORTD bit 2 |
| Pino 34 | RD3 — PORTD bit 3 |
| Pino 35 | RD4 — PORTD bit 4 |
| Pino 36 | RD5 — PORTD bit 5 |
| Pino 37 | RD6 — PORTD bit 6 |
| Pino 38 | RD7 — PORTD bit 7 |
| Pino 39 | RE0 — PORTE bit 0 |
| Pino 40 | RE1 — PORTE bit 1 |
Aplicações típicas
PIC18F45J10-I/P é adequado para 6 aplicaçãos: Consumer Appliance Control Boards, LIN-Connected Automotive Body Modules, Industrial Sensor Interface Boards, Educational and Hobbyist Platforms, Small Mechatronic Subsystems, Cost-Sensitive General-Purpose Embedded.
Consumer Appliance Control Boards
The PIC18F45J10-I/P fits consumer appliance controllers - washing machines, microwave ovens, and induction cooktops - because its 32 KB Flash holds application firmware, 1 KB RAM supports user-interface state, and nanoWatt sleep modes cut standby power below ENERGY STAR thresholds. Its 40-pin PDIP package is ideal for through-hole assembly on high-voltage relay boards where SMT cannot withstand conformal-coat reflow.
Recomendado
LIN-Connected Automotive Body Modules
The PIC18F45J10-I/P is a strong fit for LIN-connected automotive body and convenience modules - door locks, mirror controllers, seat adjusters, and lighting slaves - because its enhanced USART with LIN capability offloads bus handling in hardware. Operating at 2.0 V to 3.6 V it pairs with automotive 12 V rails after regulator drop, and the industrial temperature grade covers most cabin environments.
Recomendado
Industrial Sensor Interface Boards
The PIC18F45J10-I/P is well suited to industrial sensor interface boards - thermocouple readers, pressure transducers, and process-control front-ends - because its 10-bit ADC delivers adequate resolution for many transducer outputs, its two I2C/SPI ports let you daisy-chain multiple sensors, and I2C address masking simplifies peripheral addressing. nanoWatt modes extend battery life on wireless sensor nodes.
Recomendado
Educational and Hobbyist Platforms
The PIC18F45J10-I/P is ideal for educational and hobbyist platforms because the 40-pin PDIP package plugs into standard breadboards and through-hole prototype boards without surface-mount rework. The PIC18 instruction set is widely supported by MPLAB X, CCS C, and mikroC compilers, and the ICSP programming header allows easy firmware updates via a PICkit 3 or PICkit 4.
Recomendado
Small Mechatronic Subsystems
The PIC18F45J10-I/P fits small mechatronic subsystems - 3D-printer controllers, CNC spindle drivers, and stepper indexers - because its multiple timers and PWM channels drive motors and servos directly, while its enhanced USART handles host-side commands. The 40-pin PDIP package supports through-hole repair in field-deployed equipment, reducing downtime.
Recomendado
Cost-Sensitive General-Purpose Embedded
The PIC18F45J10-I/P targets cost-sensitive general-purpose embedded designs where 32 KB Flash and 1 KB RAM are sufficient - LED signage controllers, HVAC peripherals, vending machines, and access control panels. The J-series 2.0 V to 3.6 V operation lets you bypass 5 V regulators entirely, reducing BOM cost, and nanoWatt modes lower idle current to extend battery life.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18F45J10-I/P — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F46J13-I/P | PIC18F44J10-I/P | PIC18F45J10-I/PREL | PIC18F45J10-I/SP | PIC18F45J10-I/SO |
|---|---|---|---|---|---|---|
| Package | PDIP-40 | PDIP-40 (same) | PDIP-40 (same) | PDIP-40 (same) | SPDIP-40 (same) | SOIC-40 wide-body |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 64 KB | 16 KB | 32 KB | 32 KB | 32 KB |
| RAM | 1 KB | 3.8 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Maximum Frequency | 40 MHz | 48 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| LIN-capable USART | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
Principais diferenciais
- 32 KB Flash sweet spot for cost-sensitive 8-bit designs (vs PIC18F46J13-I/P (64 KB Flash))
- LIN-capable USART in J-series 3.3 V core (vs PIC18F4550-I/P (5 V, USB))
- Through-hole PDIP for fast prototyping and field repair (vs PIC18F45J10-I/PT (TQFP-44 SMT))
Notas de projeto
Estimated: at 40 MHz and 3.3 V, the PIC18F45J10-I/P core draws roughly 10-15 mA active. Use a low-dropout regulator such as MCP1700-3302E to derive 3.3 V from 5 V rails; add 100 nF and 10 uF decoupling on VDD pins 20 and 30, and place them within 5 mm of the MCU pins. Avoid routing high-current traces under the package to prevent supply-noise coupling into the ADC.
The J-series PIC18F45J10 is NOT 5 V tolerant on I/O pins - applying 5 V signals directly will cause latch-up. Always level-shift using a resistor divider or dedicated level translator (e.g., TXS0108E) when interfacing to 5 V peripherals such as legacy TTL logic. Also note that the J-series internal core uses 3.3 V regulators different from K-series; do not migrate code without verifying ADC and I/O thresholds.
When laying out the ICSP programming header, place PGC (RB6, pin 27) and PGD (RB7, pin 28) on a 6-pin 0.1-inch header with MCLR/VPP, VDD, VSS, and a reserved pin. Keep the trace from MCLR (pin 1) to the header short (<50 mm) and add a 10 kohm pull-up to VDD to prevent spurious resets during in-circuit programming or noise events.
Informações de conformidade
RoHS and lead-free compliant per Microchip product page; industrial grade only - not AEC-Q100 qualified; choose -Q1 suffix variants for AEC-Q100 automotive designs. Halogen-free status not explicitly stated in the verified web data.
