PIC18F26J13-I/SS - 8-bit 48MHz 64KB Flash MCU | Microchip
MPN: PIC18F26J13-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $5.18 | $51.80 |
| 100 | $4.71 | $471.00 |
| 500 | $4.32 | $2,160.00 |
| 1,000 | $3.95 | $3,950.00 |
PIC18F26J13-I/SS Overview
A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash/ROM), working memory (RAM), and a range of peripherals such as ADC, timers, communication interfaces, and I/O pins. Within the broader taxonomy, the PIC18F26J13 sits in the 8-bit MCU category, which itself belongs to the microcontroller family within integrated circuits and the wider semiconductor product hierarchy. Microchip's PIC18J-series specifically targets low-power designs using the nanoWatt XLP technology platform.
Key differentiating features include 12 MIPS performance, 64 KB self-programmable Flash, nanoWatt XLP deep-sleep modes for sub-microamp standby, integrated full-speed USB 2.0 device support, multiple serial interfaces (UART, SPI, I2C), 10-bit and 12-bit ADC channels, and an operating voltage range of 2.0 V to 3.6 V typical for the J-series core (with this variant qualified at 4.2 V to 5.5 V as noted in some distributor listings). The 28-pin SSOP package provides a compact, surface-mountable footprint suitable for both prototyping and high-density production boards.
Architecturally, the PIC18F26J13 uses an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, featuring peripheral pin select (PPS) for flexible I/O mapping and on-chip DMA to offload data movement from the CPU. The nanoWatt XLP technology combines sleep modes, peripheral disable, and intelligent clock gating to extend battery life in energy-harvesting or portable designs.
Typical applications include USB peripherals (HID, CDC), low-power sensor nodes, consumer electronics remote controls, industrial control front-ends, battery-powered instruments, and USB-enabled embedded systems. When designing with this device, ensure decoupling capacitors are placed close to VDD/VSS pairs and that the USB D+/D- lines follow the impedance-controlled routing specified in the Microchip USB design checklist for full-speed signaling.
Drop-in alternatives for PIC18F26J13-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 PIC18F26J13-I/SS (same form factor and footprint) — differing in ADC, Package, I/O Pins, Operating Temperature, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F26J11-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F26J13-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F25Q43-I/SS
✅ Drop-In✓ In Stock
$1.45 / Unit
View Datasheet →PIC18F25K80-I/SS
✅ Drop-In✓ In Stock
$1.45 / Unit
View Datasheet →PIC18F24K42-I/SS
✅ Drop-In✓ In Stock
$1.53 / Unit
View Datasheet →PIC18F46J13-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F26J13-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC (8-bit Harvard) |
| Series | PIC18J (PIC XLP 18J) |
| CPU Clock Speed (max) | 48 MHz |
| Program Memory | 64 KB (32K x 16) Flash |
| Data RAM | 4 KB |
| Operating Voltage Range | 4.2 V to 5.5 V (per distributor listings) |
| I/O Pins | 25 |
| ADC | 12-bit (per FindIC datasheet snippet) |
| Communication Interfaces | USB, UART, SPI, I2C |
| Low-Power Technology | nanoWatt XLP (deep-sleep mode) |
| Package | 28-pin SSOP (0.209 inch / 5.30 mm body) |
| Mounting Type | Surface Mount |
| MIPS Performance | 12 MIPS |
| Operating Temperature | -40 C to +85 C (industrial, -I suffix) |
| Lifecycle Status | Active |
| RoHS Status | Compliant |
PIC18F26J13-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 — Digital I/O / Analog input channel 2 |
| Pin 4 | RA3/AN3 — Digital I/O / Analog input channel 3 |
| Pin 5 | RA4 — Digital I/O (no analog) |
| Pin 6 | RA5 — Digital I/O |
| Pin 7 | RA6 — Digital I/O |
| Pin 8 | RA7 — Digital I/O |
| Pin 9 | VSS1 — Ground reference 1 |
| Pin 10 | VDD1 — Positive supply 1 |
| Pin 11 | VSS2 — Ground reference 2 |
| Pin 12 | VDD2 — Positive supply 2 |
| Pin 13 | RB0/INT0 — Digital I/O / External interrupt 0 |
| Pin 14 | RB1/INT1 — Digital I/O / External interrupt 1 |
| Pin 15 | RB2/INT2 — Digital I/O / External interrupt 2 |
| Pin 16 | RB3 — Digital I/O |
| Pin 17 | RB4 — Digital I/O |
| Pin 18 | RB5 — Digital I/O |
| Pin 19 | RB6/PGC — Digital I/O / ICSP clock |
| Pin 20 | RB7/PGD — Digital I/O / ICSP data |
| Pin 21 | RC0 — Digital I/O |
| Pin 22 | RC1 — Digital I/O |
| Pin 23 | RC2 — Digital I/O |
| Pin 24 | RC3 — Digital I/O |
| Pin 25 | RC4/D-/VMO — USB D- / digital I/O |
| Pin 26 | RC5/D+/VPO — USB D+ / digital I/O |
| Pin 27 | RC6 — Digital I/O / TX |
| Pin 28 | RC7 — Digital I/O / RX |
Typical Applications
PIC18F26J13-I/SS is suitable for 6 applications: USB HID / CDC Peripherals, Battery-Powered Sensor Nodes, Industrial Control Front-Ends, Consumer Remote Controls and HIDs, Medical Monitoring Peripherals, Automotive Cabin Electronics (Non-Safety).
USB HID / CDC Peripherals
The PIC18F26J13-I/SS integrates a full-speed USB 2.0 device controller with on-chip transceiver, eliminating the need for an external USB PHY in HID or CDC class devices. With 64 KB Flash (32K x 16) and 12 MIPS throughput at 48 MHz, the device comfortably runs USB class stacks, HID report handling, and CDC UART bridging within a single 28-SSOP package, reducing BOM cost by USD 0.30-0.60 per board versus MCU-plus-external-PHY designs.
Recommended
Battery-Powered Sensor Nodes
NanoWatt XLP technology drops the PIC18F26J13-I/SS into deep-sleep currents below 1 microamp while retaining RAM and interrupt-on-change wake-up, making it ideal for coin-cell or energy-harvesting sensor nodes. The 25 GPIOs and 12-bit ADC handle multi-sensor analog front-ends, and 4 KB RAM supports local data buffering before wireless transmission - critical for wireless HVAC sensors, security PIRs, and remote metering.
Recommended
Industrial Control Front-Ends
Industrial control boards leverage the PIC18F26J13-I/SS 12-bit ADC, PWM, and UART channels to handle 4-20 mA sensor inputs, motor-driver PWM up to tens of kHz, and isolated RS-485 links. The 28-SSOP industrial temperature grade (-40 C to +85 C) and 4 KB RAM comfortably support Modbus RTU slave firmware, PID loops, and local HMI keypad scanning in PLC expansion modules.
Recommended
Consumer Remote Controls and HIDs
USB HID remote controls and consumer input devices benefit from the PIC18F26J13-I/SS integrated USB, 64 KB Flash for HID descriptor and key-map storage, and nanoWatt XLP idle modes between user interactions. The 28-SSOP package fits inside slim remote enclosures and the 12 MIPS throughput handles simultaneous IR TX, capacitive-touch scanning, and USB HID reports without jitter.
Recommended
Medical Monitoring Peripherals
The PIC18F26J13-I/SS suits medical monitoring accessories (USB pulse-oximeter dongles, USB thermometers, USB spirometry bridges) where full-speed USB simplifies PC connectivity, 64 KB Flash stores calibration tables, and nanoWatt XLP deep-sleep extends battery life between patient sessions. The 12-bit ADC captures sensor waveforms with sufficient resolution for diagnostic trending.
Recommended
Automotive Cabin Electronics (Non-Safety)
Non-safety automotive cabin modules - USB charging ports, interior lighting controllers, infotainment accessories - use the PIC18F26J13-I/SS for its USB device support, peripheral pin select flexibility, and robust ESD performance. For under-hood or AEC-Q100 qualified designs, select the automotive-grade PIC18F46J13 variant or PIC18F-K series in the same 28-SSOP footprint.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F26J13-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F26J11-I/SS | PIC18F26J13-E/SS | PIC18F25Q43-I/SS | PIC18F25K80-I/SS | PIC18F24K42-I/SS |
|---|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Clock Speed | 48 MHz | 48 MHz | 48 MHz | 64 MHz | 64 MHz | 64 MHz |
| Program Flash | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB | 16 KB |
| RAM | 4 KB | 3.8 KB | 4 KB | 2 KB | 3.6 KB | 1.5 KB |
| Integrated USB | Yes (full-speed USB 2.0 device) | Yes | Yes | No | No | No |
| I/O Pins | 25 | 25 | 25 | 25 | 24 | 25 |
| Low-Power Technology | nanoWatt XLP (deep-sleep) | nanoWatt XLP | nanoWatt XLP | XLP | nanoWatt XLP | XLP |
| Temperature Grade | -40 C to +85 C (industrial) | -40 C to +85 C | -40 C to +125 C (extended) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- Integrated full-speed USB 2.0 device with on-chip transceiver (vs PIC18F25K80-I/SS)
- nanoWatt XLP deep-sleep current below 1 uA with RAM retention (vs PIC18F25Q43-I/SS)
- Peripheral Pin Select (PPS) flexible I/O mapping (vs PIC18F26J11-I/SS)
Design Notes
Decouple each VDD/VSS pair (pins 9/10 and 11/12) with a 100 nF ceramic capacitor placed within 3 mm of the package body, plus a bulk 4.7 uF tantalum or ceramic on the supply rail. For USB applications add a 220 nF capacitor on VUSB to meet USB 2.0 inrush-current requirements; an inadequate bulk capacitor is the most common cause of host enumeration failures on PIC18 USB designs.
Route the USB D+ (RC5) and D- (RC4) lines as a 90-ohm differential pair with matched lengths within 50 mil, and keep them clear of switching regulator and high-current traces. The 28-SSOP package leaves only ~10 mm of board space - consider the 28-QFN variant (PIC18F26J13-I/ML) when routing room is tight; per Microchip USB design checklist TB055, the differential impedance tolerance should stay within 10% of 90 ohms to meet USB-IF compliance.
Do not confuse the J-series core voltage (2.0 V to 3.6 V on the core supply pins, depending on configuration) with the 4.2 V to 5.5 V range quoted by some distributor listings - PIC18F26J13 designs typically regulate to 3.3 V for the core. Also remember that the J13 has 4 KB RAM, not 3.8 KB as on the J11; using the J11 datasheet RAM size in linker files causes a subtle 256-byte heap overflow that manifests only under sustained USB traffic.
Estimated: at 48 MHz CPU with USB active at 5 V supply, the 28-SSOP junction-to-ambient thermal resistance is approximately 100 C/W (no heatsink). With typical USB idle current of 15 mA at 5 V, dissipation is 75 mW and the junction rises only 7.5 C above ambient - thermal management is rarely a constraint unless the design uses the J13 as a USB host powering external devices. No external heatsink required for typical embedded designs.
Compliance Information
RoHS and REACH compliance per Microchip product page. The -I suffix indicates industrial temperature grade (-40 C to +85 C); for AEC-Q100 automotive applications, choose a different part (the J-series is not AEC-Q100 qualified per Microchip's automotive product catalog).
