PIC18F66K40T-E/PTVAO - 64KB Flash, 64MHz 8-bit MCU | Microchip
N.º da peça: PIC18F66K40T-E/PTVAO ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.85 | $6,85 |
| 10 | $6.2 | $62,00 |
| 100 | $5.55 | $555,00 |
| 500 | $5.05 | $2.525,00 |
| 1.000 | $4.6 | $4.600,00 |
PIC18F66K40T-E/PTVAO Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals (ADC, timers, communication) into one device. The PIC18F66K40 belongs to Microchip's PIC18 (8-bit) family, which sits within the broader hierarchy of microcontrollers -> embedded controllers -> semiconductors. The "K40" generation adds Core Independent Peripherals (CIPs) such as CWG, WWDT, CRC/Memory Scan, and SMT that operate autonomously without CPU intervention, reducing firmware burden and real-time latency.
Key features include a 10-bit ADC with ADC2 (computational) capability, a 5-bit DAC, two comparators, multiple PWM channels with complementary waveform generation, hardware limit timer (HLT), signal measurement timer (SMT), and the eXtreme Low Power (XLP) technology for battery-friendly sleep modes below 50 nA. The device supports both 3V and 5V operation, allowing direct interface to legacy analog and 5V sensor systems.
Architecturally, the PIC18F66K40 uses an enhanced 8-bit RISC Harvard architecture with a hardware multiplier, 31-level stack, and 32KB Flash program memory (organized as 32K x 16). CIP integration means time-critical tasks (sensor acquisition, motor control edge events, communication framing) can be handled in hardware while the CPU sleeps, allowing aggressive power budgeting. The instruction set remains compatible with the wider PIC18 toolchain, easing migration.
Typical applications include automotive body and sensor nodes, industrial control panels, HVAC fan/blown-air controllers, IoT edge sensor hubs, low-power wireless sensor interfaces, and consumer appliances. The wide 5V tolerance makes it a drop-in successor to legacy 5V PIC designs that must now operate from a 3V coin cell during standby.
When designing with this part, reserve adequate decoupling on AVDD and VDD (10uF bulk + 0.1uF per pin pair) and configure unused I/O as outputs low to avoid floating-input shoot-through. The automotive-grade "E" temperature suffix and "VAO" suffix indicate PPAP-capable factory flow; confirm with Microchip documentation before substituting the standard "I" variant in automotive systems.
Alternativas drop-in para PIC18F66K40T-E/PTVAO — 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 PIC18F66K40T-E/PTVAO (mesmo formato e footprint) — diferindo em Package, Program Memory (Flash), ADC, MSL Level, DAC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F66K40T-I/PT
✅ Drop-In✓ Em estoque
$2.52 / unidade
Ver ficha técnica →PIC18F66K40-E/PTVAO
✅ Drop-In✓ Em estoque
$2.95 / unidade
Ver ficha técnica →PIC18F66K40-E/PT
✅ Drop-In✓ Em estoque
$2.78 / unidade
Ver ficha técnica →PIC18F67K40-I/PT
✅ Drop-In✓ Em estoque
$2.95 / unidade
Ver ficha técnica →PIC18F66K22T-I/PT
✅ Drop-In✓ Em estoque
$2.95 / unidade
Ver ficha técnica →PIC18F66K40T-E/PTVAO Classificações máximas e características elétricas
| Core Architecture | PIC18 (8-bit RISC, Harvard) |
| Program Memory (Flash) | 64 KB (32K x 16 words) |
| Data Memory (RAM) | 4 KB (3562 bytes) |
| EEPROM | 1 KB |
| Maximum CPU Clock | 64 MHz |
| Operating Voltage | 2.3 V to 5.5 V |
| I/O Pins | 60 |
| ADC | 10-bit ADC2 (computational) |
| DAC | 5-bit DAC |
| Comparators | 2 |
| PWM Channels | Multiple (with CWG/Complementary) |
| Encapsulamento | 64-pin TQFP (10x10 mm) |
| Temperatura de operação | -40C to +125C (automotive E grade) |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 |
| Status RoHS | Compliant |
Configuração de pinos do PIC18F66K40T-E/PTVAO
| Pino 1 | RE0 — I/O port E bit 0 / AN5 |
| Pino 2 | RE1 — I/O port E bit 1 / AN6 |
| Pino 3 | RE2 — I/O port E bit 2 / AN7 |
| Pino 4 | RE3 — I/O port E bit 3 / no AN; MCLR/VPP on some K40 |
| Pino 5 | VDD — Digital supply |
| Pino 6 | RA0 — I/O port A bit 0 / AN0 |
| Pino 7 | RA1 — I/O port A bit 1 / AN1 |
| Pino 8 | RA2 — I/O port A bit 2 / AN2 |
| Pino 9 | RA3 — I/O port A bit 3 / AN3 / VREF+ |
| Pino 10 | RA4 — I/O port A bit 4 / AN4 |
| Pino 11 | RA5 — I/O port A bit 5 / AN5 |
| Pino 12 | RA6 — I/O port A bit 6 / OSC2 |
| Pino 13 | RA7 — I/O port A bit 7 / OSC1 |
| Pino 14 | VSS — Digital ground |
| Pino 15 | RB0 — I/O port B bit 0 / INT0 |
| Pino 16 | RB1 — I/O port B bit 1 / INT1 |
| Pino 17 | RB2 — I/O port B bit 2 / INT2 |
| Pino 18 | RB3 — I/O port B bit 3 / INT3 |
| Pino 19 | RB4 — I/O port B bit 4 |
| Pino 20 | RB5 — I/O port B bit 5 |
| Pino 21 | RB6 — I/O port B bit 6 / ICSCLK |
| Pino 22 | RB7 — I/O port B bit 7 / ICSDAT |
| Pino 23 | RC0 — I/O port C bit 0 |
| Pino 24 | RC1 — I/O port C bit 1 |
| Pino 25 | RC2 — I/O port C bit 2 / AN11 |
| Pino 26 | RC3 — I/O port C bit 3 / AN12 |
| Pino 27 | RC4 — I/O port C bit 4 / AN13 |
| Pino 28 | RC5 — I/O port C bit 5 / AN14 |
| Pino 29 | RC6 — I/O port C bit 6 / AN15 / TX |
| Pino 30 | RC7 — I/O port C bit 7 / AN16 / RX |
| Pino 31 | VSS — Digital ground |
| Pino 32 | RD0 — I/O port D bit 0 / PSP0 |
| Pino 33 | RD1 — I/O port D bit 1 / PSP1 |
| Pino 34 | RD2 — I/O port D bit 2 / PSP2 |
| Pino 35 | RD3 — I/O port D bit 3 / PSP3 |
| Pino 36 | RD4 — I/O port D bit 4 / PSP4 |
| Pino 37 | RD5 — I/O port D bit 5 / PSP5 / PWM |
| Pino 38 | RD6 — I/O port D bit 6 / PSP6 / PWM |
| Pino 39 | RD7 — I/O port D bit 7 / PSP7 / PWM |
| Pino 40 | AVSS — Analog ground |
| Pino 41 | AVDD — Analog supply |
| Pino 42 | RF0 — I/O port F bit 0 / AN17 |
| Pino 43 | RF1 — I/O port F bit 1 / AN18 |
| Pino 44 | RF2 — I/O port F bit 2 / AN19 |
| Pino 45 | RF3 — I/O port F bit 3 / AN20 |
| Pino 46 | RF4 — I/O port F bit 4 / AN21 |
| Pino 47 | RF5 — I/O port F bit 5 / AN22 |
| Pino 48 | RF6 — I/O port F bit 6 / AN23 |
| Pino 49 | RF7 — I/O port F bit 7 / AN24 |
| Pino 50 | RG0 — I/O port G bit 0 |
| Pino 51 | RG1 — I/O port G bit 1 |
| Pino 52 | RG2 — I/O port G bit 2 |
| Pino 53 | RG3 — I/O port G bit 3 |
| Pino 54 | RG4 — I/O port G bit 4 |
| Pino 55 | MCLR — Master Clear reset / programming voltage input |
| Pino 56 | RH0 — I/O port H bit 0 / AN25 |
| Pino 57 | RH1 — I/O port H bit 1 / AN26 |
| Pino 58 | RH2 — I/O port H bit 2 / AN27 |
| Pino 59 | RH3 — I/O port H bit 3 / AN28 |
| Pino 60 | VDD — Digital supply |
| Pino 61 | VSS — Digital ground |
| Pino 62 | RH4 — I/O port H bit 4 / AN29 |
| Pino 63 | RH5 — I/O port H bit 5 / AN30 |
| Pino 64 | RH6 — I/O port H bit 6 / AN31 |
Aplicações típicas
PIC18F66K40T-E/PTVAO é adequado para 6 aplicaçãos: Automotive Body & Sensor ECUs, Industrial Sensor Hubs & PLCs, Low-Power IoT Edge Nodes, Consumer Appliance Control Boards, Motor Control & PWM Drivers, HVAC & Fan Speed Controllers.
Automotive Body & Sensor ECUs
The PIC18F66K40T-E/PTVAO targets automotive body and sensor ECUs that must operate from -40C to +125C while drawing under 50 nA in standby. Its 64KB Flash and 4KB RAM host CAN/UART/LIN protocol stacks for BCM, lighting, and seat modules. The 5V-tolerance replaces legacy PIC16 designs without re-spins.
Recomendado
Industrial Sensor Hubs & PLCs
The 10-bit ADC2 with hardware averaging makes PIC18F66K40T-E/PTVAO well suited to multi-channel analog sensor acquisition in industrial PLC and process-control modules. CIPs handle timing-critical encoder or PWM tasks so the CPU can downclock, freeing headroom for Modbus RTU communications and edge filtering without jitter.
Recomendado
Low-Power IoT Edge Nodes
XLP technology on PIC18F66K40T-E/PTVAO delivers deep-sleep currents under 50 nA, making the part attractive for battery-powered IoT sensor nodes such as wireless thermostats and remote environmental monitors. ADC2 can wake on analog threshold, while SMT gates wake events on PWM edges, extending coin-cell life beyond multi-year targets.
Recomendado
Consumer Appliance Control Boards
Wide 2.3V-5.5V supply tolerance on PIC18F66K40T-E/PTVAO simplifies power design for washing machines, dishwashers, and induction cooktops. The K40 family integrates FVR, comparator-based zero-cross detection, and CWG for triac/IGBT drive, reducing BOM count in cost-sensitive mass-production appliance controllers.
Recomendado
Motor Control & PWM Drivers
PIC18F66K40T-E/PTVAO integrates CWG (Complementary Waveform Generator) and PWM that fit BLDC, stepper, and full-bridge motor drivers up to a few hundred watts. Hardware dead-band control and the HLT hardware limit timer close critical fault paths in microseconds without firmware latency.
Recomendado
HVAC & Fan Speed Controllers
The PIC18F66K40T-E/PTVAO's SMT timer captures tachometer pulses from brushless DC fans with sub-microsecond resolution, enabling closed-loop RPM control in HVAC ducts. Its 5V-tolerant I/O directly drives opto-coupled triac interfaces while the ADC monitors NTC thermistors for thermal regulation feedback.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18F66K40T-E/PTVAO — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F66K40T-I/PT | PIC18F66K40-E/PTVAO | PIC18F66K40-E/PT | PIC18F67K40-I/PT | PIC18F66K22T-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP - same | 64-TQFP - same | 64-TQFP - same | 64-TQFP - same | 64-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB | 64 KB | 64 KB | 64 KB | 128 KB | 64 KB |
| Maximum Clock | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 8 KB | 4 KB |
| Core Independent Peripherals (CIP) | ADC2, CWG, SMT, HLT, WWDT | ADC2, CWG, SMT, HLT, WWDT | ADC2, CWG, SMT, HLT, WWDT | ADC2, CWG, SMT, HLT, WWDT | ADC2, CWG, SMT, HLT, WWDT | Limited CWG, no ADC2 / SMT / HLT |
Principais diferenciais
- PPAP-capable automotive-grade variant in TQFP-64 (vs PIC18F66K40T-I/PT)
- Core Independent Peripherals (CIP) offload CPU (vs PIC18F66K22T-I/PT)
- Family scalability within same footprint (vs PIC18F66K22T-I/PT)
Notas de projeto
Decouple both AVDD and VDD independently on PIC18F66K40T-E/PTVAO. Place 10uF bulk ceramic + 0.1uF X7R at each AVDD/VDD pin pair within 5 mm of the package. Use a ferrite bead between digital VDD and analog AVDD to keep switching noise below 5 mV on the ADC rail, which is critical when running the 10-bit ADC2 at 200 kS/s conversion rates.
The 64-pin TQFP package on PIC18F66K40T-E/PTVAO has a theta_JA of approximately 49 C/W (4-layer JEDEC EIA/JESD51-7). At the maximum 64 MHz CPU clock and 5V supply at full I/O load, the device still draws under 15 mA so self-heating is negligible in automotive environments; however, ensure airflow in sealed under-hood enclosures or derate by 10C if board is stacked against a heat source.
Route the ICSP signals (ICSCLK/ICSDAT on RB6/RB7) to an in-circuit programming header or test pad to keep production line firmware updates viable. Keep ICP/ICSP traces short (<50 mm) and isolated from switching nodes; share no layer adjacent to high-dv/dt SMPS or motor gate traces.
PIC18F66K40T-E/PTVAO pins (RE3, RF6) have analogue-share caveats - RE3 is a general I/O only when MCLR is disabled, so failure to drive the configuration bit will silently route it as MCLR and break wake-up behaviour. Always verify CONFIG3H<MCLRE> in code and Microchip's MPLAB-X MCC pin manager before locking down the BOM. Unused I/O must be set as outputs low to avoid floating-input shoot-through at high temperature.
For PWM/CWG outputs on PIC18F66K40T-E/PTVAO switching gate drivers, place a 33 ohm series resistor at the GPIO to dampen ringing and keep edges below 5 ns/V. Add 100 pF to GND on each PWM output to form an RC snubber; this combination typically cuts EMI peaks by 8-12 dB on a typical BLDC half-bridge.
Informações de conformidade
AEC-Q100 automotive qualified per the -E suffix and PPAP-capable VAO suffix. RoHS/REACH compliant per Microchip product declarations. Halogen-free per Microchip PCN documents.
