PIC18F26J13T-I/SS - 64KB Flash 8-bit MCU, 48MHz, 28-SSOP | Microchip
MPN: PIC18F26J13T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $3.02 | $1,510.00 |
| 1,000 | $2.72 | $2,720.00 |
PIC18F26J13T-I/SS Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals onto one silicon die. The 8-bit PIC18 architecture from Microchip extends the legacy PIC16 instruction set with C-optimized instructions, linear memory addressing up to 2 MB, and prioritized interrupts, sitting in the broader taxonomy of microcontroller -> embedded controller -> semiconductor. The PIC18F26J13 family specifically targets applications requiring moderate Flash density with rich analog and communication peripherals.
Key features include 64 KB Flash, 3.8 KB RAM, 12 MIPS CPU throughput at 48 MHz, 12-bit ADC with up to 10 channels, dual I2C/SPI/UART interfaces, and nanoWatt XLP technology enabling deep-sleep currents in the nanoampere range. The device also offers 256 bytes of EEPROM, 4 timers, and a charge time measurement unit (CTMU) for capacitive touch sensing, providing a comprehensive peripheral set in a compact footprint.
Technically, the PIC18F26J13 employs a modified Harvard architecture with separate program and data buses, 16-bit instructions, and an 8-level hardware stack. The 12-bit ADC supports up to 12 channels with automatic acquisition, and the CTMU enables touch sensing and time-of-flight measurements. nanoWatt XLP technology reduces deep-sleep current to under 100 nA, enabling battery-powered applications with multi-year lifetimes.
Typical applications include consumer appliances, industrial control, sensor nodes, low-power battery products, USB peripherals, and capacitive touch human-machine interfaces. The wide peripheral integration makes the PIC18F26J13 a flexible choice for designs requiring analog sensing and multiple communication interfaces without external components.
When designing, note that the 'T' suffix in PIC18F26J13T-I/SS denotes tape-and-reel packaging, while the 'I' indicates the industrial temperature grade (-40C to +85C). The 28-pin SSOP package offers compact board area but limits I/O count; consider the 44-pin variants for designs needing more pins. This page consolidates distributor pricing, drop-in alternatives, and design notes not found in the standalone manufacturer datasheet.
Drop-in alternatives for PIC18F26J13T-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 PIC18F26J13T-I/SS (same form factor and footprint) — differing in Package, ADC, Operating Temperature, I/O Pins, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F26J13-I/SS
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →PIC18F26J13T-I/ML
✅ Drop-In✓ In Stock
$2.4 / Unit
View Datasheet →PIC18F26J11T-I/SO
✅ Drop-In✓ In Stock
$3.18 / Unit
View Datasheet →PIC18F25K22-I/SS
✅ Drop-In✓ In Stock
$1.92 / Unit
View Datasheet →PIC18F25K80-I/SS
✅ Drop-In✓ In Stock
$1.45 / Unit
View Datasheet →PIC18F25Q43-I/SS
✅ Drop-In✓ In Stock
$1.45 / Unit
View Datasheet →PIC18F26J13T-I/SS Maximum Ratings & Electrical Characteristics
| Core | PIC18 (8-bit) |
| Series | PIC18F J-series |
| Program Memory (Flash) | 64 KB |
| RAM | 3.8 KB |
| EEPROM | 256 B |
| Maximum CPU Speed | 48 MHz (12 MIPS) |
| ADC | 12-bit, up to 10 channels |
| Operating Voltage | 2.0 V to 3.6 V |
| I/O Pins | 22 |
| Timers | 4 (16-bit) |
| Communication | 2x UART, 2x SPI, 2x I2C |
| Package | 28-SSOP (5.30 mm width, 0.209 in) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (industrial grade) |
| Low-Power Feature | nanoWatt XLP (deep sleep ~ nA) |
| CTMU (Capacitive Touch) | Yes |
| RoHS Status | Compliant |
PIC18F26J13T-I/SS Pin Configuration
| Pin 1 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| Pin 2 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Pin 3 | RA2/AN2/VREF- — PORTA bit 2 / Analog input 2 / ADC VREF- |
| Pin 4 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / ADC VREF+ |
| Pin 5 | RA4 — PORTA bit 4 (digital only) |
| Pin 6 | RA5 — PORTA bit 5 (digital only) |
| Pin 7 | RA6 — PORTA bit 6 (digital only) |
| Pin 8 | RA7 — PORTA bit 7 (digital only) |
| Pin 9 | VSS — Ground |
| Pin 10 | VDD — Positive supply (2.0-3.6V) |
| Pin 11 | RB0 — PORTB bit 0 |
| Pin 12 | RB1 — PORTB bit 1 |
| Pin 13 | RB2 — PORTB bit 2 |
| Pin 14 | RB3 — PORTB bit 3 |
| Pin 15 | RB4 — PORTB bit 4 |
| Pin 16 | RB5 — PORTB bit 5 |
| Pin 17 | RB6 — PORTB bit 6 |
| Pin 18 | RB7 — PORTB bit 7 |
| Pin 19 | VSS — Ground |
| Pin 20 | VDD — Positive supply (2.0-3.6V) |
| Pin 21 | RC0 — PORTC bit 0 |
| Pin 22 | RC1 — PORTC bit 1 |
| Pin 23 | RC2 — PORTC bit 2 |
| Pin 24 | RC3 — PORTC bit 3 |
| Pin 25 | RC4 — PORTC bit 4 |
| Pin 26 | RC5 — PORTC bit 5 |
| Pin 27 | RC6 — PORTC bit 6 |
| Pin 28 | RC7 — PORTC bit 7 |
Typical Applications
PIC18F26J13T-I/SS is suitable for 6 applications: Low-Power Battery Sensor Node, Capacitive Touch User Interface, Industrial Control Module, USB HID Peripheral, Consumer Appliance Controller, Portable Medical Monitoring Device.
Low-Power Battery Sensor Node
The PIC18F26J13T-I/SS fits battery-powered sensor nodes because its nanoWatt XLP technology drives deep-sleep current below 100 nA, enabling multi-year battery lifetimes. Its 12-bit ADC with up to 10 channels digitizes multiple sensors (temperature, light, motion) directly without external converters. The 64 KB Flash supports over-the-air firmware update routines while 3.8 KB RAM buffers sensor fusion data. Combined with the 48 MHz core and 2.0-3.6V operation, the part delivers strong compute density per microamp for periodic wake-and-transmit duty cycles.
Recommended
Capacitive Touch User Interface
For capacitive touch HMI designs, the PIC18F26J13T-I/SS integrates the Charge Time Measurement Unit (CTMU) that enables up to 12 touch channels without external touch ICs. Its 48 MHz core provides sufficient MIPS for advanced gesture recognition while the 12-bit ADC reads proximity and force sensors. The 28-SSOP package allows compact front-panel layouts. Low-power deep sleep extends battery life in handheld touch remotes. Engineers benefit from Microchip's mTouch library and free C compilers to shorten development time.
Recommended
Industrial Control Module
In industrial control applications such as PLC I/O modules and motor-control peripherals, the PIC18F26J13T-I/SS delivers reliable 48 MHz performance with industrial -40C to +85C temperature tolerance. Its dual UART, SPI, and I2C peripherals connect to RS-485 transceivers, sensors, and EEPROMs simultaneously. The 12-bit ADC with 10 channels reads 4-20 mA loop signals through external resistors, while PWM timers drive simple valve or relay actuation. The SSOP package is widely accepted on space-constrained industrial PCBs.
Recommended
USB HID Peripheral
The PIC18F26J13T-I/SS supports USB device functionality through its integrated USB 2.0 full-speed peripheral and on-chip transceiver when paired with Microchip's USB stack. Its 48 MHz core handles HID, CDC, or vendor-class protocols while 64 KB Flash accommodates composite USB descriptors and class drivers. The CTMU and 12-bit ADC add analog sensor reporting over USB. With 3.8 KB RAM and dual UART/SPI, the device bridges legacy peripherals to USB hosts without external chips.
Recommended
Consumer Appliance Controller
For consumer appliances like coffee makers, washing machine HMIs, or air purifiers, the PIC18F26J13T-I/SS provides ample Flash for state machines and UI graphics rendering. Its low-power modes reduce standby consumption to meet energy-star targets, and the 12-bit ADC reads sensor inputs directly. The dual I2C bus allows simultaneous control of LED drivers and EEPROM storage. The 28-SSOP package fits inside compact appliance enclosures and supports automated assembly.
Recommended
Portable Medical Monitoring Device
The PIC18F26J13T-I/SS supports portable medical monitoring applications with its low deep-sleep current enabling multi-day wearable battery life, while the 12-bit ADC captures physiological signals (pulse oximetry, ECG, temperature) with adequate resolution for consumer-grade devices. The 48 MHz core runs sensor fusion and simple DSP filters on 3.8 KB RAM. Two I2C buses connect to biometric sensors and an OLED display. nanoWatt XLP technology keeps idle current negligible when not actively measuring.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F26J13T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F26J13-I/SS | PIC18F26J13T-I/ML | PIC18F26J11T-I/SO | PIC18F25K22-I/SS | PIC18F25K80-I/SS | PIC18F25Q43-I/SS |
|---|---|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-QFN - same pin count | 28-SOIC - same pin count | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB | 32 KB |
| RAM | 3.8 KB | 3.8 KB | 3.8 KB | 3.8 KB | 1.5 KB | 2 KB | 2 KB |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Max CPU Speed | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 64 MHz | 64 MHz | 64 MHz |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 10-bit | 10-bit | 10-bit | 12-bit |
| Deep Sleep Current | ~20-100 nA (nanoWatt XLP) | ~20-100 nA | ~20-100 nA | ~20-100 nA | ~50 nA | ~50 nA | ~50 nA |
| Packaging | Tape & Reel | Tube | Tape & Reel | Tape & Reel | Tube | Tube | Tube |
Key Differentiators
- Tape-and-reel packaging variant for automated assembly (vs PIC18F26J13-I/SS)
- 12-bit ADC vs 10-bit on older J-series (vs PIC18F26J11T-I/SO)
- nanoWatt XLP deep sleep in same 28-SSOP (vs PIC18F25K22-I/SS)
Design Notes
Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 10 and 20) and a bulk 1-10 uF tantalum or ceramic on the supply rail. The PIC18F26J13T-I/SS core operates at 48 MHz internally; clock the system from the internal 8 MHz RC oscillator with PLL for stable operation. Add a ferrite bead on VDD if switching regulators are nearby to prevent digital noise injection into analog references.
Do not exceed the absolute maximum VDD of 3.6V on the PIC18F26J13T-I/SS - this is a 3.3V-rated part. Programming voltage must come from the on-board debugger, not an external 5V source. Configure the configuration bits for the correct oscillator mode and disable the watchdog timer if not required; otherwise use a generous postscaler to avoid unwanted resets. Verify AVDD/AVSS are connected if any analog channel is enabled - floating analog supply causes erratic ADC readings.
Keep analog traces short and away from switching signals on the PIC18F26J13T-I/SS PCB layout. Use a ground plane beneath the MCU with a single-point connection to digital ground near the regulator. Place the CTMU reference capacitor within 5 mm of the ANx pin to maintain touch-sensing accuracy. For capacitive touch applications, route touch electrodes as short traces with adequate ground shielding per Microchip application note AN1258.
The 28-SSOP package on PIC18F26J13T-I/SS has a thermal resistance of approximately 60-70 C/W in still air. For most low-power MCU applications the part never approaches thermal limits, but designs running at 48 MHz with full peripheral activity should ensure ambient temperature stays below 70C for safety margin. Use thermal vias under the SSOP thermal pad if extended to a copper pour for additional heat dissipation.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - this is a general-purpose industrial/consumer MCU, not an automotive-grade part.
