PIC18F26K83T-I/SO - 8-Bit 64MHz MCU, 64KB Flash, 28-SOIC | Microchip
Teilenummer: PIC18F26K83T-I/SO ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $2.34 | $2,34 |
| 10 | $2.18 | $21,80 |
| 100 | $1.95 | $195,00 |
| 500 | $1.72 | $860,00 |
| 1.000 | $1.5 | $1.500,00 |
PIC18F26K83T-I/SO Übersicht
What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a single-chip computer that processes data in 8-bit wide paths and integrates CPU core, non-volatile Flash program memory, volatile SRAM data memory, peripherals, and I/O on one die. 8-bit MCUs sit within the broader category of microcontrollers -> embedded processors -> semiconductor ICs. They remain dominant in cost-sensitive and low-power applications because of mature toolchains, predictable real-time behavior, and very low standby current draw, all of which make them the workhorse of the embedded industry.
Key features of the PIC18F26K83 include XLP (eXtreme Low Power) technology for sub-µA sleep currents, a 12-bit ADC with computation engine for averaging and oversampling, hardware CAN 2.0B, four 16-bit timers, two I²C, two SPI, two UART, a 5-bit DAC, and CTMU for capacitive touch. The 28-SOIC variant (the SO package) gives 25 user I/O pins, sufficient for sensor nodes and human-interface designs.
Architecturally, the part uses a modified Harvard architecture with a 16-bit instruction word and 8-bit data path, a 31-level hardware stack, and a priority-level interrupt controller. ADC² offloads averaging, oversampling, filtering, and threshold detection from the CPU, freeing MIPS for application logic and reducing firmware complexity for touch and sensor signal chains.
Typical applications include automotive body and sensor nodes (via CAN), industrial control and sensor hubs, capacitive touch human interfaces, low-power IoT edge nodes, and functional-safety designs that require IEC 61508 SIL capable documentation. The wide 2.3 V to 5.5 V operating range and robust peripherals support battery-powered systems as well as 5 V industrial buses.
Design tip: reserve a stable, low-impedance ground plane under the MCU and keep analog traces short when routing the 12-bit ADC inputs to preserve signal integrity.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.
Drop-in-Alternativen für PIC18F26K83T-I/SO – 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 PIC18F26K83T-I/SO (gleiche Bauform und Footprint) – abweichend in ADC, Package, Timers, Program Memory (Flash), Operating Temperature.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC18F26K83-I/SS
✅ Drop-In✓ Auf Lager
$1.55 / Stück
Datenblatt ansehen →PIC18F26K83-I/SP
✅ Drop-In✓ Auf Lager
$2.18 / Stück
Datenblatt ansehen →PIC18F26K83T-I/ML
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18F25K83T-I/SO
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18F25K83T-I/MX
✅ Drop-In✓ Auf Lager
$1.82 / Stück
Datenblatt ansehen →PIC18F26K83T-E/SO
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18F26K83T-I/SO Grenzwerte & elektrische Eigenschaften
| Product Type | 8-Bit Microcontroller (MCU) |
| Series | PIC® XLP™ 18K, Functional Safety (FuSa) |
| Core | PIC18 |
| Maximum CPU Speed | 64 MHz |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data Memory (SRAM) | 4 KB |
| EEPROM | 1 KB |
| ADC | 12-bit with Computation (ADC²) |
| DAC | 5-bit |
| CAN | 1 x CAN 2.0B |
| I²C | 2 |
| SPI | 2 |
| UART | 2 |
| Timers | 4 x 16-bit |
| I/O Pins | 25 |
| Operating Voltage | 2.3 V to 5.5 V |
| Betriebstemperatur | -40°C to +85°C (Industrial) |
| Gehäuse | 28-SOIC (0.295", 7.50 mm width) |
| Montageart | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| RoHS | Compliant |
PIC18F26K83T-I/SO Pin-Konfiguration
| Pin 1 | VDD — Positive supply voltage |
| Pin 2 | RA5 — Digital I/O / analog input |
| Pin 3 | RA4 — Digital I/O / analog input |
| Pin 4 | RA3 — Digital I/O / analog input / MCLR |
| Pin 5 | RC5 — Digital I/O / analog input |
| Pin 6 | RC4 — Digital I/O / analog input |
| Pin 7 | RC3 — Digital I/O / analog input |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RC2 — Digital I/O / analog input |
| Pin 10 | RC1 — Digital I/O / analog input |
| Pin 11 | RC0 — Digital I/O / analog input |
| Pin 12 | RA2 — Digital I/O / analog input |
| Pin 13 | RA1 — Digital I/O / analog input |
| Pin 14 | RA0 — Digital I/O / analog input |
| Pin 15 | VSS — Ground reference |
| Pin 16 | RA7 — Digital I/O / analog input |
| Pin 17 | RA6 — Digital I/O / analog input |
| Pin 18 | RC7 — Digital I/O / CAN RX / UART RX |
| Pin 19 | RC6 — Digital I/O / CAN TX / UART TX |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RB5 — Digital I/O / analog input |
| Pin 22 | RB4 — Digital I/O / analog input |
| Pin 23 | RB3 — Digital I/O / analog input |
| Pin 24 | RB2 — Digital I/O / analog input |
| Pin 25 | RB1 — Digital I/O / analog input |
| Pin 26 | RB0 — Digital I/O / analog input |
| Pin 27 | RB7 — Digital I/O / analog input |
| Pin 28 | RB6 — Digital I/O / analog input |
Typische Anwendungen
PIC18F26K83T-I/SO ist geeignet für 6 Anwendungs: Industrial CAN Bus Sensor Node, Capacitive Touch Human Interface, Battery-Powered IoT Edge Sensor, Automotive Body & Comfort Module, Functional Safety Sensor Interface, Low-Cost 5V Industrial Control Board.
Industrial CAN Bus Sensor Node
The PIC18F26K83T-I/SO fits industrial CAN bus sensor nodes because its integrated CAN 2.0B controller and 64 KB of Flash comfortably host J1939 higher-layer protocols while the XLP low-power core keeps idle current below typical battery-sleep budgets. At 64 MHz the MCU delivers 16 MIPS, leaving headroom for periodic ADC² oversampling cycles. The 28-SOIC package simplifies hand-soldered prototypes and high-volume SMT assembly alike, and the 2.3-5.5 V supply range accepts 3.3 V or 5 V industrial backplanes without level shifters. Compared with 32-bit alternatives, the PIC18 platform has decades of automotive and industrial deployment, easing functional-safety documentation.
Empfohlen
Capacitive Touch Human Interface
For capacitive touch keypads and sliders, the PIC18F26K83T-I/SO's ADC² with Capacitive Voltage Divider (CVD) automates baseline tracking, averaging, and noise filtering without CPU intervention. With 12-bit resolution and the on-chip CTMU charge-timing peripheral, designers can detect sub-pF capacitance changes for proximity and water-tolerant touch surfaces. The 25 I/O pins can scan 12-16 touch electrodes with multiplexing, and the 64 MHz core runs the touch scanning loop in microseconds, leaving cycles for LEDs, PWM backlights, and host communication. The 28-SOIC package sits behind the touch panel with minimal PCB height impact.
Empfohlen
Battery-Powered IoT Edge Sensor
In battery-powered IoT sensors, the PIC18F26K83T-I/SO leverages XLP extreme-low-power technology to drop quiescent current below 100 nA in deep sleep, dramatically extending coin-cell or Li-Po runtime. The integrated 12-bit ADC² samples temperature, voltage, or sensor outputs with built-in averaging and threshold wakeup, allowing the MCU to remain asleep for years between events. The 64 KB Flash supports TLS/SSL-style or LoRaWAN-style stacks depending on the radio choice, and the 2.3-5.5 V supply range accepts a single-cell Li-ion directly. Compared with bare 8-bit MCUs lacking ADC², this part eliminates external DSP and reduces BOM.
Empfohlen
Automotive Body & Comfort Module
The PIC18F26K83T-I/SO is well suited to automotive body control and comfort modules thanks to its CAN 2.0B interface, wide 2.3-5.5 V supply tolerant of load-dump events when paired with proper conditioning, and Functional Safety documentation package supporting IEC 61508 designs. The 12-bit ADC² reads multiple sensor inputs (door switches, light sensors, position feedback) with computed averaging, while PWM, CCP, and timers drive mirror/lighting actuators. The industrial-temperature -40C to +85C rating covers cabin environments; for under-hood requirements the AEC-Q100 PIC18F26K83T-E/SO extended variant is preferred. Same-die variants in SSOP and QFN help fit compact PCBAs.
Empfohlen
Functional Safety Sensor Interface
In Functional Safety (FuSa) sensor interfaces, the PIC18F26K83T-I/SO delivers hardware diagnostics and documentation packages aligned with IEC 61508 SIL development. The ADC² engine provides built-in oversampling and windowed watchdog functions for analog sensor validation, and redundant oscillator and WDT peripherals support fail-safe firmware architectures. The 64 KB Flash holds safety library overhead alongside application logic, and the 4 KB SRAM buffers sensor pipeline data. Compared with bare 8-bit MCUs, the FuSa documentation and library cuts certification cost considerably. The 28-SOIC package suits service-friendly industrial designs requiring through-hole-friendly inspection.
Empfohlen
Low-Cost 5V Industrial Control Board
The PIC18F26K83T-I/SO is a strong fit for legacy 5V industrial control boards migrating away from aging PIC16 parts while preserving through-hole-friendly assembly options. With 64 KB Flash, 4 KB SRAM, four 16-bit timers, two UART, two SPI, and two I²C peripherals, the device consolidates timer-driven PID loops, sensor sampling, and multi-drop RS-485 comms on one chip. The 2.3-5.5 V range covers 5 V industrial rails natively, and the 28-SOIC footprint drops onto existing PIC18F26K22 or PIC18F26K20 layouts with minor footprint adjustments. Same-tool MPLAB X IDE compiles both old and new firmware, easing migration risk.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC18F26K83T-I/SO – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC18F26K83-I/SS | PIC18F26K83-I/SP | PIC18F25K83T-I/SO | PIC18F26K83T-E/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SSOP | 28-SPDIP | 28-SOIC - same | 28-SOIC - same |
| Flash Memory | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 2 KB | 4 KB |
| CPU Speed | 64 MHz (16 MIPS) | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| ADC | 12-bit ADC² | 12-bit ADC² | 12-bit ADC² | 12-bit ADC² | 12-bit ADC² |
| CAN | 1 x CAN 2.0B | 1 x CAN 2.0B | 1 x CAN 2.0B | 1 x CAN 2.0B | 1 x CAN 2.0B |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) |
Wichtigste Unterscheidungsmerkmale
- Integrated CAN 2.0B controller with Functional Safety documentation (vs. PIC18F25K80-I/SO)
- ADC² computation engine reduces CPU MIPS consumption by ~50% (vs. PIC18F26K22T-I/SO)
- Same-die scalability across SOIC/SSOP/SPDIP/QFN packages (vs. PIC18F46K83-I/P)
Designhinweise
Estimated: at VDD=5 V with all peripherals disabled in sleep, the XLP run-from-RTC mode draws approximately 50-100 nA per the PIC18 K83 family datasheet; with ADC² enabled and sample averaging, idle current rises to roughly 1-3 uA. Always add a 100 nF decoupling capacitor close to each VDD pin and a bulk 4.7 uF tantalum or ceramic near the MCU. For battery designs place the MCU on the same ground reference as the ADC sensors to avoid return-path noise coupling into the 12-bit ADC readings.
Route the ADC² analog inputs away from switching nodes (PWM outputs, oscillator traces, CAN TX) by at least 3x the trace width. Use a guarded analog ground island if the board mixes CAN bus drivers with sensor inputs; this avoids ground bounce coupling into the ADC reference. The 28-SOIC package allows 0.65 mm pitch or wider trace routing, simplifying hand prototyping. Place the ICSP/ICD programming header (PGECx/PGEDx) on the same board edge to keep programming cables short.
When using the integrated CAN 2.0B module, ensure the CAN RX/TX pins are mapped to RC6/RC7 (or alternate PPS function) and that the bus has a 120 ohm termination at each end. Add a TVS diode such as PESD1CAN for ESD suppression on the bus lines and a common-mode choke for noisy industrial environments. The CAN controller clock is derived from the system clock, so a stable 64 MHz system oscillator (HFINTOSC with PLL) keeps the CAN bit-time quanta accurate within ±0.5% per ISO 11898.
Common pitfalls include: forgetting to enable PPS (Peripheral Pin Select) before routing peripherals to physical pins, leaving unused I/O as floating inputs (always tie them to VDD or VSS via internal weak pull-ups or external resistors), and not clearing the ADC² accumulator between conversions which can cause stale-averaging artifacts in touch firmware. Also note the T-suffix variant ships in tape-and-reel packaging; for breadboarding, order the non-T PIC18F26K83-I/SO tube variant instead.
Compliance-Informationen
RoHS compliant per Microchip product page. Industrial grade -40C to +85C; for AEC-Q100, choose PIC18F26K83T-E/SO extended-temperature variant. Functional Safety (FuSa) documentation package available from Microchip supporting IEC 61508 SIL development.
