PIC18F44K20-E/PT - 8-bit 64MHz 16KB Flash MCU | Microchip
Teilenummer: PIC18F44K20-E/PT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $4.45 | $4,45 |
| 10 | $3.96 | $39,60 |
| 100 | $3.45 | $345,00 |
| 500 | $2.98 | $1.490,00 |
| 1.000 | $2.62 | $2.620,00 |
PIC18F44K20-E/PT Übersicht
A PIC18 microcontroller is an 8-bit RISC MCU from Microchip's enhanced PIC18 architecture family. PIC18 MCUs sit at the intersection of high-performance 8-bit processing and ultra-low power operation, falling within the broader hierarchy of microcontroller -> embedded processor -> semiconductor IC. This family is widely used in cost-sensitive embedded designs that need deterministic real-time response, low sleep current, and rich peripheral integration.
Key features of the PIC18F44K20-E/PT include 36 general-purpose digital I/O pins, 13 channels of 10-bit Analog-to-Digital Conversion (ADC), nanoWatt XLP extreme low-power technology, and a standard operating voltage range of 1.8V to 3.6V (low-power modes) with full-speed operation from 3.0V to 3.6V. The integrated nanoWatt XLP technology delivers sleep currents in the nanoampere range, making it suitable for battery-powered and energy-harvesting applications.
The device uses an enhanced Harvard RISC architecture with a C-optimized instruction set, supporting up to 16 MIPS throughput at 64MHz. On-chip peripherals include multiple timers, ECCP (Enhanced Capture/Compare/PWM), MSSP (SPI/I2C), EUSART, comparators, and a 10-bit ADC, providing ample I/O and analog integration for sensor nodes, motor control, and human-interface designs.
Typical applications include industrial sensor interfaces, home appliance control panels, low-power remote controls, battery-powered IoT nodes, automotive interior body controllers (non-safety), and portable consumer electronics. The wide operating temperature range also enables use in outdoor and harsh-environment industrial equipment.
When designing with this MCU, ensure the supply voltage aligns with the chosen frequency - Microchip specifies minimum 1.8V at 16MHz and 2.0V at 20MHz for low-power modes, with full 64MHz operation requiring 3.0V to 3.6V. Decoupling should follow Microchip's reference design guidance, with 100nF capacitors placed close to each VDD/VSS pair.
This page consolidates distributor pricing, drop-in alternative MPNs from the same PIC18F family, and practical engineering design notes that extend beyond the manufacturer datasheet.
Drop-in-Alternativen für PIC18F44K20-E/PT – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC18F44K20-E/PT (gleiche Bauform und Footprint) – abweichend in ADC, Core Architecture, Package, Program Memory (Flash), MSL Level.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC18F44K20-I/PT
✅ Drop-In✓ Auf Lager
$2.62 / Stück
Datenblatt ansehen →PIC18F44K20T-E/PT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18F44K20-E/PT Grenzwerte & elektrische Eigenschaften
| Core Architecture | PIC18 8-bit RISC (Harvard) |
| Program Memory (Flash) | 16 KB (8K x 16) |
| Data Memory (SRAM) | 768 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 64 MHz (per Hotenda listing) / 48 MHz (per Microchip product page) |
| Throughput | Up to 16 MIPS |
| Operating Voltage Range | 1.8 V to 3.6 V (low-power); 3.0 V to 3.6 V (full-speed) |
| I/O Pins | 36 |
| ADC | 13 channels x 10-bit |
| Gehäuse | 44-pin TQFP (10x10) |
| Betriebstemperaturbereich | -40 C to +125 C (extended "-E" grade) |
| Montageart | Surface Mount |
| Low-Power Technology | nanoWatt XLP |
| RoHS-Status | Compliant |
| MSL-Level | 3 |
PIC18F44K20-E/PT Pin-Konfiguration
| Pin 1 | RA2/AN2/CVREF/VREF- — Digital I/O / Analog input / Comparator voltage reference / DAC negative reference |
| Pin 2 | RA3/AN3/VREF+ — Digital I/O / Analog input / DAC positive reference |
| Pin 3 | RA4/T0CKI/RCV — Digital I/O / Timer0 clock input / PWM fault input |
| Pin 4 | RA5/AN4/C1INA/HLVDIN/RC2 — Digital I/O / Analog input / Comparator input / High/Low-Voltage detect input |
| Pin 5 | RA6/OSC2/CLKO — Digital I/O / Oscillator output / Clock output |
| Pin 6 | RA7/OSC1/CLKI — Digital I/O / Oscillator input / Clock input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | VDD — Positive supply (1.8V-3.6V) |
| Pin 9 | RB0/INT0/AN12/FLT0 — Digital I/O / External interrupt 0 / Analog input / PWM fault |
| Pin 10 | RB1/INT1/AN10 — Digital I/O / External interrupt 1 / Analog input |
| Pin 11 | RB2/INT2/AN8 — Digital I/O / External interrupt 2 / Analog input |
| Pin 12 | RB3/INT3/AN9 — Digital I/O / External interrupt 3 / Analog input |
| Pin 13 | RB4/KBI0/AN11 — Digital I/O / Interrupt-on-change / Analog input |
| Pin 14 | RB5/KBI1/PGM — Digital I/O / Interrupt-on-change / ICSP programming input |
| Pin 15 | RB6/KBI2/PGC — Digital I/O / Interrupt-on-change / ICSP clock |
| Pin 16 | RB7/KBI3/PGD — Digital I/O / Interrupt-on-change / ICSP data |
| Pin 17 | VSS — Ground reference |
| Pin 18 | VDD — Positive supply |
| Pin 19 | RC0/SOSCO — Digital I/O / Secondary oscillator output |
| Pin 20 | RC1/SOSCI — Digital I/O / Secondary oscillator input |
| Pin 21 | RC2/CCP1 — Digital I/O / Enhanced CCP1 output |
| Pin 22 | RC3/SCL/SCK — Digital I/O / I2C clock / SPI clock |
| Pin 23 | RC4/SDA/SDI — Digital I/O / I2C data / SPI data in |
| Pin 24 | RC5/SDO — Digital I/O / SPI data out |
| Pin 25 | RC6/CK/TX — Digital I/O / EUSART clock / EUSART TX |
| Pin 26 | RC7/DT/RX — Digital I/O / EUSART data / EUSART RX |
| Pin 27 | VSS — Ground reference |
| Pin 28 | VDD — Positive supply |
| Pin 29 | RD0/C1INA-/ECCP2/PSP0 — Digital I/O / Comparator input / Enhanced CCP2 / Parallel slave port |
| Pin 30 | RD1/C1INB-/ECCP3/PSP1 — Digital I/O / Comparator input / Enhanced CCP3 / Parallel slave port |
| Pin 31 | RD2/C1INC-/PS/PSP2 — Digital I/O / Comparator input / PWM syncrate / PSP |
| Pin 32 | RD3/SSPP/PSP3 — Digital I/O / Slave select / PSP |
| Pin 33 | RD4/SDO2/PSP4 — Digital I/O / SPI2 data out / PSP |
| Pin 34 | RD5/SDI2/PSP5 — Digital I/O / SPI2 data in / PSP |
| Pin 35 | RD6/SCK2/PSP6 — Digital I/O / SPI2 clock / PSP |
| Pin 36 | RD7/SS2/PSP7 — Digital I/O / SPI2 slave select / PSP |
| Pin 37 | VSS — Ground reference |
| Pin 38 | VDD — Positive supply |
| Pin 39 | RE0/AN5/C1INA+/RD — Digital I/O / Analog input / Comparator input / Parallel slave read |
| Pin 40 | RE1/AN6/C1INB+/WR — Digital I/O / Analog input / Comparator input / Parallel slave write |
| Pin 41 | RE2/AN7/C1OUT+/CS — Digital I/O / Analog input / Comparator output / Parallel slave chip select |
| Pin 42 | RE3/MCLR/VPP — Digital input / Master clear (reset, active low) / ICSP programming voltage |
| Pin 43 | VSS — Ground reference |
| Pin 44 | VDD — Positive supply |
Typische Anwendungen
PIC18F44K20-E/PT ist geeignet für 7 Anwendungs: Industrial Sensor Interface, Battery-Powered IoT Nodes, Home Appliance Control Panels, Automotive Interior Body Controllers, Low-Power Remote Controls, Portable Consumer Electronics, HVAC Control and Thermostat Systems.
Industrial Sensor Interface
The PIC18F44K20-E/PT fits industrial sensor interface designs because its 13-channel 10-bit ADC and 36 digital I/O pins can aggregate multiple analog sensors (temperature, pressure, flow) and discrete signals on a single MCU. Its nanoWatt XLP technology drops sleep current into the nanoampere range, letting battery or energy-harvested sensor nodes achieve multi-year service life. The extended -40 C to +125 C temperature grade tolerates factory-floor and outdoor enclosures without derating.
Empfohlen
Battery-Powered IoT Nodes
For battery-powered IoT endpoints, the PIC18F44K20-E/PT delivers a balanced combination of 16 MIPS processing throughput and nanoWatt XLP ultra-low sleep current, enabling edge-processing and wireless protocol handling while sipping power between transmissions. The 1.8V to 3.6V supply range accepts single-cell Li-coin or 2xAA battery chemistries directly. The on-chip EUSART and MSSP peripherals natively support UART, SPI, and I2C radios such as LoRa or sub-GHz transceivers.
Empfohlen
Home Appliance Control Panels
The PIC18F44K20-E/PT is well matched to home appliance control panels (washing machines, dishwashers, ovens) because its 36 I/O pins drive keypads, LED/LCD displays, relay arrays, and triac-trigger outputs from a single chip. The 16KB Flash accommodates state-machine firmware plus menu logic, while nanoWatt XLP modes reduce standby power to meet global energy regulations. Extended-temperature operation supports under-counter and garage-appliance thermal environments.
Empfohlen
Automotive Interior Body Controllers
The PIC18F44K20-E/PT addresses non-safety automotive interior body functions such as seat controllers, mirror adjusters, ambient lighting, and HVAC blend-door actuators. The -40 C to +125 C extended temperature grade covers cabin and under-dash thermal extremes, while the 13-channel 10-bit ADC reads position feedback and analog switches. Note that safety-critical functions like airbag or ABS require AEC-Q100-qualified parts, not this general-purpose MCU.
Empfohlen
Low-Power Remote Controls
Handheld remote controls benefit from the PIC18F44K20-E/PT's nanoWatt XLP technology, which keeps quiescent current under 100nA in Sleep mode - a single CR2032 coin cell can last the shelf life of the product. The 36 I/O pins comfortably drive IR LEDs, multi-button keypads, and status indicators. The 16 MIPS throughput decodes RF or IR protocols with cycle headroom, while the 16KB Flash holds protocol stacks plus user-mode firmware.
Empfohlen
Portable Consumer Electronics
The PIC18F44K20-E/PT serves portable consumer products like fitness trackers, digital thermometers, and handheld meters where battery life, small footprint, and moderate compute performance matter. The TQFP-44 (10x10 mm) package suits compact PCBs, and the 1.8V to 3.6V range accepts Li-ion or alkaline chemistries. The 13-channel ADC reads sensors (thermistor, strain gauge, battery monitor) without an external analog front end.
Empfohlen
HVAC Control and Thermostat Systems
The PIC18F44K20-E/PT supports HVAC thermostat and zone-controller designs with its 36 I/O pins for keypad input, LCD drive, relay/triac control of fans and dampers, and 13-channel ADC for temperature and humidity sensors. The nanoWatt XLP modes reduce standby consumption to meet ENERGY STAR limits, while the extended temperature grade handles plenum and outdoor-stat environments. The 16KB Flash accommodates scheduling logic and adaptive control algorithms.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC18F44K20-E/PT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC18F44K20-I/PT | PIC18F44K20T-E/PT |
|---|---|---|---|
| Package | 44-pin TQFP (10x10) | 44-pin TQFP (10x10) - same | 44-pin TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 16 KB | 16 KB | 16 KB |
| RAM | 768 bytes | 768 bytes | 768 bytes |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes |
| Maximum CPU Speed | 64 MHz / 48 MHz (per source) | 64 MHz / 48 MHz (per source) | 64 MHz / 48 MHz (per source) |
| I/O Pins | 36 | 36 | 36 |
| Operating Temperature Range | -40 C to +125 C (extended) | -40 C to +85 C (industrial) | -40 C to +125 C (extended) |
| ADC | 13 x 10-bit | 13 x 10-bit | 13 x 10-bit |
Wichtigste Unterscheidungsmerkmale
- Extended temperature grade for harsh environments (vs. PIC18F44K20-I/PT)
- nanoWatt XLP extreme low-power technology (vs. PIC18F44K20T-E/PT)
- 36 I/O pins in a 44-pin TQFP (vs. PIC18F43K20-E/PT (40-pin TQFP))
Designhinweise
The PIC18F44K20-E/PT operates from 1.8V to 3.6V, but full 64MHz (16 MIPS) operation requires a minimum 3.0V supply. According to the Microchip datasheet, 16MHz operation down to 1.8V is supported for low-power modes. Add a 100nF decoupling capacitor close to each VDD/VSS pin pair (8 pins total), plus a bulk 10uF tantalum or ceramic cap on the main 3.3V rail to handle ADC reference transients.
For the TQFP-44 (10x10 mm) package, follow Microchip's PCB layout guidelines: provide a continuous ground plane beneath the MCU, keep the 64MHz crystal or resonator within 5mm of OSC1/OSC2 (RA6/RA7) with short trace lengths, and place the ICSP header (PGC/PGD on RB6/RB7 plus MCLR/VPP on RE3) at the board edge for programming access. Use guard traces around the analog ADC inputs (AN0-AN12) to isolate from digital switching noise.
Three pitfalls to avoid: (1) The MCLR pin (RE3) must not be left floating - either tie through a 10k pull-up to VDD for normal operation or use Microchip's internal MCLR enable configuration. (2) The ADC reference voltage (VREF+/VREF-) defaults to VDD/VSS; for accurate conversions below VDD, drive VREF+ from a low-noise reference such as MCP1525. (3) Do not enable the ECCP/PWM outputs on the same pin as a sensitive analog input without isolating with a series resistor or buffer, since PWM switching can couple into the ADC.
At 64MHz FCPU the instruction-cycle clock is 16MHz - any external signals entering through INT0-INT3 or ICSP pins should be filtered if they originate from long cable runs (over 50mm). According to Microchip AN1259, add a small RC filter (1kohm + 100pF) on interrupt inputs to debounce mechanical switches and reduce EMI susceptibility. For SPI buses above 5MHz, keep traces matched in length to within 5mm to avoid skew.
Compliance-Informationen
RoHS compliant per Microchip product page. The PIC18F44K20-E/PT is NOT AEC-Q100 qualified - it is a general-purpose MCU; automotive safety applications require AEC-Q100-qualified parts such as PIC18F26K80-I/SO.
