PIC18LF26J13T-I/SS - 8-bit 48MHz XLP MCU 64KB Flash | Microchip
MPN: PIC18LF26J13T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.18 | $4.18 |
| 10 | $3.76 | $37.60 |
| 100 | $3.18 | $318.00 |
| 500 | $2.74 | $1,370.00 |
| 1,000 | $2.41 | $2,410.00 |
PIC18LF26J13T-I/SS Overview
An 8-bit PIC microcontroller (MCU) is a single-chip computer built on a Harvard architecture with separate program and data buses, optimized for deterministic real-time control. Within the broader microcontroller hierarchy, the PIC18 family sits above PIC16 and PIC10/12 devices, below the PIC24/dsPIC line, and ultimately belongs to the embedded microcontroller > RISC processor > semiconductor taxonomy. The "LF" prefix denotes the wide-voltage 1.8V-3.6V variant optimized for battery-powered systems, while "J13" identifies the specific family combining enhanced peripherals with XLP nanoWatt technology.
Key features include 64KB Flash program memory (32K x 16 words), 3.8KB RAM, 22 digital I/O pins, internal oscillator support, and 12 channels of 10/12-bit ADC. The 12 MIPS execution rate (at 48 MHz) provides responsive control loops, while deep sleep current in the nanoWatt range allows years of operation from a single coin cell. Multiple serial interfaces including I2C, SPI, and enhanced USART enable flexible peripheral connectivity for sensor and communication subsystems.
The device combines a RISC instruction set with C-optimized architecture and a wide array of core-independent peripherals such as CCP, enhanced PWM, and configurable logic cells. This peripheral integration reduces external component count and BOM cost while offloading tasks from the CPU. Internal voltage reference and self-programming Flash further simplify system design.
Typical applications include portable medical devices, IoT sensor nodes, battery-powered instrumentation, home automation controllers, and consumer electronics with USB or display interfaces. The XLP technology makes it especially attractive for energy-harvesting and remote-sensing designs where quiescent current dominates battery life.
When designing with this MCU, careful decoupling near VDD pins and adherence to the trace-length guidelines in the datasheet are essential for ADC accuracy. Internal oscillator trimming may be required for time-critical protocols such as USB or CAN.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for sourcing and selecting the PIC18LF26J13T-I/SS.
Drop-in alternatives for PIC18LF26J13T-I/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 PIC18LF26J13T-I/SS (same form factor and footprint) — differing in ADC, Package, Operating Temperature, I/O Pins, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18LF26J13-I/SS
✅ Drop-In✓ In Stock
$0.95 / Unit
View Datasheet →PIC18F26J13-I/SS
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →PIC18LF25K83-I/SS
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC18LF25J50-I/SS
✅ Drop-In✓ In Stock
$2.55 / Unit
View Datasheet →PIC18F25K50-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18LF26J13T-I/SS Maximum Ratings & Electrical Characteristics
| Core | PIC18 RISC 8-bit |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 3.8 KB |
| Maximum CPU Speed | 48 MHz (12 MIPS) |
| Supply Voltage (Vdd) | 2.0 V to 3.6 V |
| I/O Pins | 22 |
| ADC | 12-bit, up to 10 channels |
| Timers | 5 (8-bit and 16-bit) |
| Comparators | 2 |
| CCP/ECCP Modules | 3 CCP / 1 ECCP |
| UART | 2 x EUSART |
| SPI | 2 x SPI / I2S |
| I2C | 2 x MSSP |
| Package | 28-pin SSOP |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 3 |
| Packaging | Tape & Reel |
PIC18LF26J13T-I/SS Pin Configuration
| Pin 1 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| Pin 2 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| Pin 3 | RA2/AN2/VREF- — Digital I/O / Analog input / ADC VREF- |
| Pin 4 | RA3/AN3/VREF+ — Digital I/O / Analog input / ADC VREF+ |
| Pin 5 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| Pin 6 | RA5/AN4 — Digital I/O / Analog input channel 4 |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7/OSC1/CLKI — Digital I/O / Crystal oscillator input / External clock |
| Pin 9 | RA6/OSC2/CLKO — Digital I/O / Crystal oscillator output / Clock output |
| Pin 10 | RC0 — Digital I/O port C bit 0 |
| Pin 11 | RC1 — Digital I/O port C bit 1 |
| Pin 12 | RC2 — Digital I/O port C bit 2 |
| Pin 13 | RC3 — Digital I/O port C bit 3 |
| Pin 14 | RC4 — Digital I/O port C bit 4 |
| Pin 15 | RC5 — Digital I/O port C bit 5 |
| Pin 16 | RC6 — Digital I/O port C bit 6 |
| Pin 17 | RC7 — Digital I/O port C bit 7 |
| Pin 18 | VSS — Ground reference (second pin) |
| Pin 19 | RB0 — Digital I/O port B bit 0 (interrupt-on-change) |
| Pin 20 | RB1 — Digital I/O port B bit 1 (interrupt-on-change) |
| Pin 21 | RB2 — Digital I/O port B bit 2 (interrupt-on-change) |
| Pin 22 | RB3 — Digital I/O port B bit 3 (interrupt-on-change) |
| Pin 23 | RB4 — Digital I/O port B bit 4 (interrupt-on-change) |
| Pin 24 | RB5 — Digital I/O port B bit 5 (interrupt-on-change) |
| Pin 25 | RB6/PGC — Digital I/O / ICSP clock |
| Pin 26 | RB7/PGD — Digital I/O / ICSP data |
| Pin 27 | MCLR/VPP/RE3 — Master clear reset / Programming voltage / Digital I/O |
| Pin 28 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
Typical Applications
PIC18LF26J13T-I/SS is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Portable Medical Devices, Home Automation Controllers, Industrial Sensor Transmitters, Consumer Electronics with USB Connectivity, Automotive Body Electronics.
Battery-Powered IoT Sensor Nodes
The PIC18LF26J13T-I/SS fits IoT sensor nodes because its 2.0 V-3.6 V supply range accommodates 2xAA or coin-cell chemistries without level shifting, and its sub-microamp deep-sleep current extends battery life into multi-year territory. The integrated 12-bit ADC handles temperature, humidity, and analog sensor readout directly without external signal conditioning. With 22 I/O and 64 KB Flash, designers can integrate LoRa, BLE or Sub-GHz radio control, store calibration tables, and run over-the-air firmware updates via the self-programmable Flash. The 12 MIPS performance comfortably handles protocol state machines at low duty cycles.
Recommended
Portable Medical Devices
In portable medical applications such as glucose meters, pulse oximeters, and handheld diagnostic tools, the PIC18LF26J13T-I/SS provides the wide-voltage flexibility and low sleep current essential for patient-side use. The 12-bit ADC digitizes sensor inputs with sufficient resolution for clinical-grade readings, while the 64 KB Flash supports complex UI state machines and BLE pairing sequences. The XLP nanoWatt technology minimizes quiescent drain between measurements, enabling single-battery operation across the device's service life. The 28-SSOP package occupies minimal board area in slim handheld enclosures.
Recommended
Home Automation Controllers
The PIC18LF26J13T-I/SS serves as the central controller in home automation nodes, where its 22 I/O and dual UART support multiple sensor and actuator interfaces. The 48 MHz core and 12 MIPS throughput handle Zigbee/Z-Wave bridging, relay control, and local decision logic. With 64 KB Flash, designers can store device personality data, OTA update buffers, and complex state machines. The wide 2.0-3.6 V supply supports USB-powered hubs and 3.3 V regulated adapters equally. Internal oscillator trimming maintains accurate timing for time-stamped event logging.
Recommended
Industrial Sensor Transmitters
For 4-20 mA industrial sensor transmitters, the PIC18LF26J13T-I/SS offers the analog performance and deterministic interrupt response needed for process control. The 12-bit ADC digitizes bridge sensors and 4-20 mA loop inputs with 0.024% resolution. Multiple PWM and CCP channels drive HART modulator outputs and status LEDs. Industrial -40 C to +85 C operation handles factory-floor environments without derating. The 64 KB Flash accommodates calibration constants, linearization tables, and Modbus ASCII/RTU stacks for legacy PLC integration.
Recommended
Consumer Electronics with USB Connectivity
The PIC18LF26J13T-I/SS supports consumer USB peripherals such as keyboards, mice, game controllers, and HID-class devices when paired with an external USB transceiver or PHY. The 22 I/O handle key matrices, RGB LEDs, and capacitive touch sense, while the 64 KB Flash stores USB descriptors, HID reports, and macro definitions. Internal oscillator with PLL provides accurate USB full-speed timing without external crystals, reducing BOM cost. Low sleep current enables battery-powered wireless mice and presentation remotes.
Recommended
Automotive Body Electronics
In non-safety automotive body electronics such as HVAC controls, seat controllers, mirror adjusters, and infotainment keypads, the PIC18LF26J13T-I/SS provides robust 8-bit processing with automotive-grade temperature tolerance. The 12-bit ADC reads position feedback from motors and potentiometers, while PWM channels drive LED backlights and small DC motors. Multiple UART/SPI interfaces connect to body control modules over LIN or CAN bridges. The wide-voltage LF variant tolerates crank-dip transients in 12 V vehicle systems when paired with a 5 V LDO and TVS protection.
Recommended
Recommended Products Summary
Engineering reference data for PIC18LF26J13T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18LF26J13-I/SS | PIC18F26J13-I/SS | PIC18LF25K83-I/SS | PIC18LF25J50-I/SS | PIC18F25K50-I/SS |
|---|---|---|---|---|---|---|
| Brand | 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) |
| Flash Memory | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB | 32 KB |
| Supply Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 3.0 V to 3.6 V | 1.8 V to 3.6 V | 2.0 V to 3.6 V | 3.0 V to 3.6 V |
| Maximum CPU Speed | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 64 MHz / 16 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 10-bit | 10-bit |
| USB Support | No (external transceiver required) | No | No | No | Yes (USB 2.0 FS) | Yes (USB 2.0 FS) |
| Approx. Unit Price (qty 1) | $4.18 | ~$4.05 | ~$4.30 | ~$3.20 | ~$3.85 | ~$3.95 |
Key Differentiators
- Wide voltage range with 12-bit ADC (vs PIC18F26J13-I/SS)
- Higher Flash density in same package (vs PIC18LF25K83-I/SS)
- Integrated 12-bit ADC vs 10-bit on J50 family (vs PIC18LF25J50-I/SS)
Design Notes
Decouple both VDD pins (pin 28 and any auxiliary rail) with 100 nF X7R ceramic capacitors placed within 3 mm of the package. Add a bulk 1-10 uF tantalum or ceramic capacitor on the main supply rail. For ADC accuracy, place a separate filtered AVdd supply (when used) with its own 10 uH ferrite bead and 100 nF + 10 uF decoupling. The 'LF' variant's 2.0 V minimum requires a regulated LDO if powered from a 3.3 V system bus.
Keep the crystal or resonator traces (OSC1/OSC2 on pins 9-10) short and surrounded by a ground guard ring to minimize EMI pickup. Route analog signals (RA0-RA5) away from digital switching lines; maintain at least 3x trace-width spacing between analog and digital traces. Place the MCLR pull-up (typically 10 kohm) close to the pin to ensure clean reset. The exposed pad (where present) must be soldered to a ground plane for thermal and electrical performance.
Do not exceed 3.6 V on VDD - the LF variant has a maximum of 3.6 V, unlike the older PIC18F parts at 5.5 V. When migrating from PIC18F to PIC18LF J-series, verify peripheral register names; some PPS (Peripheral Pin Select) mappings differ. The internal oscillator requires calibration for UART timing accuracy; use the factory-stored calibration constants at the addresses documented in the datasheet. Forgetting to enable the watchdog timer in deep-sleep applications can cause lockup if firmware hangs during wake-up.
Estimated: at 48 MHz CPU clock with all I/O toggling, ground-bounce noise on shared I/O lines can reach 200-300 mV. For mixed-signal designs, dedicate port B as digital-only and route analog signals on port A or port C. Add series 100 ohm resistors on PWM outputs driving long cables to dampen ringing. The internal oscillator jitter (~0.5%) may not meet CAN or USB requirements - use an external crystal for timing-critical interfaces.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive safety-critical applications use the PIC18F26J13 automotive variant. Lead-free and halogen-free packaging.
