PIC18LF26K83-E/SS - 8-Bit 64MHz MCU, 64KB Flash, 28-SSOP | Microchip
MPN: PIC18LF26K83-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.85 | $3.85 |
| 10 | $3.47 | $34.70 |
| 100 | $3.08 | $308.00 |
| 500 | $2.77 | $1,385.00 |
| 1,000 | $2.46 | $2,460.00 |
PIC18LF26K83-E/SS Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. The PIC18 family is Microchip's high-performance 8-bit architecture offering enhanced instruction set, hardware multiply, and C-optimized design. The LF prefix denotes the low-voltage (F) variant operating down to 1.8 V, while XLP (eXtreme Low Power) targets nanoWatt sleep currents for energy-harvesting and battery-powered designs.
Key features of the PIC18LF26K83-E/SS include 64 KB Flash, 1 KB EEPROM, 4 KB SRAM, a 12-bit ADC2 with up to 25 channels, hardware-touch sensing via Capacitive Voltage Divider (CVD), a CAN 2.0B controller, two I2C/SPI/UART peripherals, five 16-bit timers, and a 64 MHz internal oscillator. The 'E' suffix indicates the Extended operating temperature range (-40 °C to +125 °C), making the device suitable for industrial and harsh-environment deployments.
Architecturally, the PIC18LF26K83 uses a RISC-style 8-bit CPU with a 16-bit instruction word, allowing most instructions to execute in a single clock cycle. The ADC2 peripheral automates averaging, oversampling, and capacitive touch acquisition, offloading signal conditioning from the core. A Peripheral Pin Select (PPS) system allows flexible digital I/O mapping, and the device supports multiple low-power modes (Sleep, Idle, Doze) with nanoWatt XLP technology.
Typical applications include industrial CAN nodes, automotive body electronics, capacitive touch human-machine interfaces (HMIs), sensor nodes with on-chip signal processing, low-power IoT edge devices, and battery-backed instrument clusters. The wide temperature range and CAN bus make it especially attractive for in-vehicle networks and industrial control panels.
When designing with this MCU, ensure adequate decoupling (100 nF + 1 µF) near the VDD pins, route the CAN transceiver differential pair as a 120 Ω impedance-controlled differential line, and configure PPS mappings carefully to avoid peripheral conflicts. The E/SS Extended-temperature grade replaces the I/SS Industrial-grade part when deployments exceed +85 °C ambient.
This page synthesizes distributor pricing, drop-in SSOP alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC18LF26K83-E/SS — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC18LF26K83-E/SS (same form factor and footprint) — differing in Package, ADC, Core Architecture, Program Memory (Flash), Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18LF26K83-I/SS
✅ Drop-In✓ In Stock
$2.78 / Unit
View Datasheet →PIC18F26K83-E/SSVAO
✅ Drop-In✓ In Stock
$2.74 / Unit
View Datasheet →PIC18LF26K83T-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18LF25K83-I/SS
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC18LF26K42-E/SS
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC18LF26K80-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC18LF26K83-E/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit RISC |
| Family | PIC18 XLP 18K |
| Program Memory (Flash) | 64 KB (32K x 16) |
| SRAM | 4 KB |
| EEPROM | 1 KB |
| Maximum CPU Frequency | 64 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V |
| ADC | 12-bit ADC2 with computation, up to ~25 channels |
| Touch Sensing | Capacitive Voltage Divider (CVD) |
| CAN Controller | CAN 2.0B |
| UART | 2 |
| SPI | 2 |
| I2C | 2 |
| Timers | Five 16-bit timers |
| Operating Temperature Range | -40 C to +125 C (Extended) |
| Package | 28-pin SSOP |
| Mounting Type | Surface Mount |
| Low-Power Technology | XLP nanoWatt |
| Peripheral Pin Select | Yes (PPS) |
PIC18LF26K83-E/SS Pin Configuration
| Pin 1 | RA0/AN0 — PORTA bit 0 / analog input 0 / PPS-capable |
| Pin 2 | RA1/AN1 — PORTA bit 1 / analog input 1 / PPS-capable |
| Pin 3 | RA2/AN2 — PORTA bit 2 / analog input 2 / PPS-capable |
| Pin 4 | RA3/AN3 — PORTA bit 3 / analog input 3 / PPS-capable |
| Pin 5 | RA4/AN4 — PORTA bit 4 / analog input 4 / PPS-capable |
| Pin 6 | RA5/AN5 — PORTA bit 5 / analog input 5 / PPS-capable |
| Pin 7 | RA6 — PORTA bit 6 / PPS-capable |
| Pin 8 | RA7 — PORTA bit 7 / PPS-capable |
| Pin 9 | VSS — Ground reference |
| Pin 10 | RB0/AN12 — PORTB bit 0 / analog input 12 / interrupt-on-change |
| Pin 11 | RB1/AN10 — PORTB bit 1 / analog input 10 / interrupt-on-change |
| Pin 12 | RB2/AN8 — PORTB bit 2 / analog input 8 / interrupt-on-change |
| Pin 13 | RB3/AN9 — PORTB bit 3 / analog input 9 / interrupt-on-change |
| Pin 14 | RB4 — PORTB bit 4 / interrupt-on-change |
| Pin 15 | RB5 — PORTB bit 5 / interrupt-on-change |
| Pin 16 | RB6/ICSPCLK — PORTB bit 6 / ICD clock / interrupt-on-change |
| Pin 17 | RB7/ICSPDAT — PORTB bit 7 / ICD data / interrupt-on-change |
| Pin 18 | VSS — Ground reference (second) |
| Pin 19 | VDD — Positive supply (1.8 V to 3.6 V) |
| Pin 20 | RC0 — PORTC bit 0 / PPS-capable |
| Pin 21 | RC1 — PORTC bit 1 / PPS-capable |
| Pin 22 | RC2 — PORTC bit 2 / PPS-capable |
| Pin 23 | RC3 — PORTC bit 3 / PPS-capable |
| Pin 24 | RC4 — PORTC bit 4 / PPS-capable |
| Pin 25 | RC5 — PORTC bit 5 / PPS-capable |
| Pin 26 | RC6/CANTX — PORTC bit 6 / CAN transmit / PPS-capable |
| Pin 27 | RC7/CANRX — PORTC bit 7 / CAN receive / PPS-capable |
| Pin 28 | RE3/MCLR — PORTE bit 3 / Master Clear reset |
Typical Applications
PIC18LF26K83-E/SS is suitable for 6 applications: Industrial CAN Node Interface, Capacitive Touch HMI Panel, Automotive Body Electronics Module, Battery-Powered IoT Sensor Node, Industrial Sensor Signal Conditioner, Medical Monitoring Accessory.
Industrial CAN Node Interface
The PIC18LF26K83-E/SS is well-suited to industrial CAN node designs where it acts as a sensor or actuator controller on a 1 Mbps CAN 2.0B bus. Its integrated CAN controller eliminates an external standalone CAN IC, and the 64 KB Flash / 4 KB SRAM balance supports CANopen or J1939 protocol stacks alongside the application task. The Extended -40 C to +125 C temperature grade handles unheated factory cabinets and outdoor installations, while the 1.8 V to 3.6 V supply permits direct connection to 3.3 V sensor rails without level shifters.
Recommended
Capacitive Touch HMI Panel
With its 12-bit ADC2 featuring CVD hardware-accelerated capacitive touch acquisition, the PIC18LF26K83-E/SS can scan up to ~25 touch channels with averaging, filtering, and oversampling handled in hardware. This offloads touch processing from the CPU, allowing the 16 MIPS core to refresh the GUI and drive an SPI display. XLP nanoWatt technology keeps sleep current below 1 µA between user interactions, suiting battery-powered remote controls and wall-mounted control panels.
Recommended
Automotive Body Electronics Module
The Extended temperature grade and integrated CAN make the PIC18LF26K83-E/SS a fit for body-control modules controlling lighting, door locks, and seat positioning via LIN-to-CAN gateways or direct CAN slaves. Operating from 1.8 V to 3.6 V supports cold-cranking scenarios down to 6 V battery transients when paired with a front-end regulator. The PPS system maps CAN, UART, and PWM to any I/O pin, simplifying PCB routing in cramped body-control enclosures.
Recommended
Battery-Powered IoT Sensor Node
XLP nanoWatt technology on the PIC18LF26K83-E/SS delivers deep-sleep currents in the nanoampere range with peripheral wake-on-touch or wake-on-CAN capability, ideal for years-long battery life in IoT sensor nodes. The 64 MHz core wakes quickly to process sensor bursts, transmit via UART or CAN, and return to sleep, while 4 KB SRAM buffers local measurements between wake events. PPS flexibility permits direct sensor connection without external muxes.
Recommended
Industrial Sensor Signal Conditioner
The PIC18LF26K83-E/SS pairs its 12-bit ADC2 with 4 KB SRAM to implement on-chip digital filtering, linearization, and oversampling for bridge, RTD, and thermocouple sensors. Hardware-averaged ADC readings combined with PPS-routed SPI peripheral drives external 24-bit sigma-delta ADCs in mixed-resolution designs. The Extended temperature range accommodates process-control cabinets where ambient temperatures regularly exceed 85 C.
Recommended
Medical Monitoring Accessory
In portable medical accessories such as pulse-oximeter dongles, patient-worn event recorders, and connected thermometers, the PIC18LF26K83-E/SS provides the ADC resolution, low-power profile, and CAN/UART connectivity needed for tethered or networked operation. The ADC2 with oversampling averages photodiode or thermistor signals to suppress motion artifact, while XLP sleep extends battery life across multi-day monitoring sessions.
Recommended
Recommended Products Summary
Engineering reference data for PIC18LF26K83-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18LF26K83-I/SS | PIC18F26K83-E/SS | PIC18LF26K83T-I/SS | PIC18LF25K83-I/SS | PIC18LF26K42-E/SS | PIC18LF26K80-I/SS |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) |
| Program Memory (Flash) | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB | 4 KB | 3.6 KB |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| CAN Controller | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | No | Yes (CAN 2.0B) |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) |
| ADC | 12-bit ADC2 (CVD, ~25 channels) | 12-bit ADC2 (CVD, ~25 channels) | 12-bit ADC2 (CVD, ~25 channels) | 12-bit ADC2 (CVD, ~25 channels) | 12-bit ADC2 (CVD, ~22 channels) | 12-bit ADC2 (no CVD) | 10-bit ADC (no ADC2) |
| CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
Key Differentiators
- Extended -40 C to +125 C temperature grade versus standard Industrial -40/+85 C parts (vs PIC18LF26K83-I/SS)
- Low-voltage LF variant supports 1.8 V minimum supply (vs PIC18F26K83-E/SS)
- Integrated 12-bit ADC2 with hardware CVD capacitive touch acquisition (vs PIC18LF26K80-I/SS)
- 64 KB Flash and CAN 2.0B on the same die (vs PIC18LF26K42-E/SS)
Design Notes
Place a 100 nF X7R decoupling capacitor within 5 mm of each VDD/VSS pin pair, plus a bulk 1 µF to 10 µF ceramic near the package. The PIC18LF26K83-E/SS draws peak transient currents during CAN TX and ADC2 conversion bursts; insufficient decoupling causes VDD droop that can reset the brown-out detector (BOR). Estimate: at 64 MHz with active ADC and CAN, IDD peaks near 12 mA.
Route the CANH/CANL pair from RC6/RC7 to the external MCP2562 as a 120 Ω differential microstrip with matched lengths and continuous ground reference. Keep the CAN trace away from switching converter inductors and away from the ICSP ICD pins (RB6/RB7) to avoid radiated emissions during programming.
Do not omit the MCLR pull-up on pin 28 (RE3/MCLR); Microchip recommends a 10 kΩ to VDD and a 100 nF cap to ground for clean reset behavior. Configuring PPS without locking the IOLOCK bit can cause peripherals to remap unexpectedly after a watchdog reset; always lock PPS after configuration. Touch sensing via ADC2 requires the CVD sequence timing to match the datasheet's recommended guard-band - shorter sequences yield noisy readings.
Estimated: at 64 MHz and 3.3 V VDD with active ADC and CAN, average IDD is roughly 8 mA, yielding PD ≈ 26 mW. The 28-SSOP θJA is approximately 95 °C/W (JEDEC EIA/JESD51 still air), producing a junction rise of only ~2.5 °C above ambient, so no heatsink is required even in the +125 °C Extended temperature grade.
Compliance Information
RoHS and REACH compliant per Microchip product page; lead-free / halogen-free per SSOP package specifications. Not AEC-Q100 qualified; for AEC-Q100 automotive grade consult Microchip automotive PIC portfolio.
