PIC16LF18326T-I/SL - 8-bit 32MHz XLP MCU 28KB Flash 14-SOIC
MPN: PIC16LF18326T-I/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.66 | $16.60 |
| 100 | $1.47 | $147.00 |
| 500 | $1.31 | $655.00 |
| 1,000 | $1.18 | $1,180.00 |
PIC16LF18326T-I/SL Overview
An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, memory, and peripherals into a single device. Within the broader taxonomy, the PIC16LF18326 belongs to the 8-bit MCU class -> microcontrollers -> embedded ICs -> integrated circuits. The 'LF' prefix denotes the low-voltage XLP variant, and the family sits within Microchip's PIC16 (L)F18326/18346 series that emphasizes Core Independent Peripherals (CIPs) such as CLC, CWG, NCO, and PWM.
Key features include a 10-bit ADC with computation, two comparators, a 5-bit DAC, 10-bit PWM, CCP, Configurable Logic Cells (CLC), Numerically Controlled Oscillator (NCO), and Complementary Waveform Generator (CWG). Communication is handled through EUSART, SPI, and I2C. The Peripheral Pin Select (PPS) function allows flexible remapping of digital peripherals to physical pins, simplifying PCB routing.
Typical applications include low-power IoT sensor nodes, battery-powered wearables, consumer remote controls, and home automation devices. The 14-pin SOIC package and wide voltage range make it a strong fit for compact, energy-constrained designs that need more analog and logic integration than competing 8-bit MCUs.
When designing with this device, allocate pins early for PPS-mapped functions, and pay attention to the 1.8 V minimum voltage constraint when 32 MHz CPU throughput is needed.
Drop-in alternatives for PIC16LF18326T-I/SL — 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 PIC16LF18326T-I/SL (same form factor and footprint) — differing in ADC, Package, DAC, Core Architecture, Core Independent Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18326T-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF18326-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF18326T-I/JQ
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC16LF18325T-I/ST
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16LF18323T-I/SL
✅ Drop-In✓ In Stock
$0.96 / Unit
View Datasheet →PIC16LF18326T-I/SL Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC16 RISC |
| Program Memory (Flash) | 28 KB (16K x 14) |
| Data RAM | 2048 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Typical Operating Voltage (32 MHz) | 2.5 V to 3.6 V |
| Operating Temperature Range | -40C to +85C (Industrial) |
| ADC | 10-bit |
| Comparators | 2 |
| DAC | 5-bit |
| PWM | 10-bit |
| CCP Modules | Yes |
| CLC (Configurable Logic Cells) | Yes |
| NCO (Numerically Controlled Oscillator) | Yes |
| CWG (Complementary Waveform Generator) | Yes |
| EUSART | Yes |
| SPI | Yes |
| I2C | Yes |
| PPS (Peripheral Pin Select) | Yes |
| Package | 14-SOIC (SL) 3.90 mm |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16LF18326T-I/SL Pin Configuration
| Pin 1 | RA0/AN0/C1IN0+/DAC1OUT/IOC — Bidirectional I/O; analog input channel 0; DAC1 output; interrupt-on-change |
| Pin 2 | RA1/AN1/C1IN0-/C2IN0+/IOC — Bidirectional I/O; analog input channel 1; comparator input |
| Pin 3 | RA2/AN2/C2IN0-/VREF-/DAC1REF+/IOC — Bidirectional I/O; analog input channel 2; negative VREF; DAC reference |
| Pin 4 | RA3/AN3/C1IN1+/VREF+/IOC — Bidirectional I/O; analog input channel 3; positive VREF; comparator input |
| Pin 5 | RA4/AN4/C1OUT/T0CKI/PPS — Bidirectional I/O; analog input channel 4; comparator output; timer0 clock; PPS |
| Pin 6 | RA5/AN5/C2OUT/OSC1/CLKIOK — Bidirectional I/O; analog input channel 5; comparator 2 output; crystal oscillator input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7/OSC2/CLKO/PPS — Bidirectional I/O; crystal oscillator output; system clock output; PPS |
| Pin 9 | RA6/OSC1/CLKI/PPS — Bidirectional I/O; crystal oscillator input; external clock input; PPS |
| Pin 10 | RC0/SOSCO/PPS — Bidirectional I/O; secondary oscillator output; PPS-mappable |
| Pin 11 | RC1/SOSCI/PPS — Bidirectional I/O; secondary oscillator input; PPS-mappable |
| Pin 12 | RC2/AN6/PPS — Bidirectional I/O; analog input channel 6; PPS-mappable |
| Pin 13 | RC3/AN7/PPS — Bidirectional I/O; analog input channel 7; PPS-mappable |
| Pin 14 | RA5/MCLR/VPP — Master Clear reset (active low); programming voltage input |
Typical Applications
PIC16LF18326T-I/SL is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Wearable Health and Fitness Devices, Consumer Remote Controls, Home Automation and Smart Lighting, Industrial Sensor Transmitters, Automotive Body and Comfort Modules.
Battery-Powered IoT Sensor Nodes
The PIC16LF18326T-I/SL's XLP nanoWattnapper technology delivers sleep currents below 1 uA, while the 1.8 V to 3.6 V supply range lets the part keep running as a primary cell decays below 2.0 V. The 10-bit ADC with computation, two comparators, and CLC allow sensor signal conditioning and threshold detection entirely in hardware, waking the CPU only when an event fires. Used as the main MCU on a CR2032-powered wireless sensor node, it can deliver 5-10 year battery life with duty-cycled LoRa or sub-GHz wakeups.
Recommended
Wearable Health and Fitness Devices
The PIC16LF18326T-I/SL suits compact wearable designs where PCB real estate is critical: 14-SOIC at 3.90 mm body fits under most watch PCBs, while 32 MHz CPU throughput handles BLE host protocol stacks and on-device DSP via CLC/NCO. Its 1.8 V operation draws from a single Li-ion cell without an LDO, saving 5-8 mm of board area. Placed as the application processor in a fitness band, it can sample heart rate, steps, and SpO2 while maintaining < 5 uA average current.
Recommended
Consumer Remote Controls
The PIC16LF18326T-I/SL's PPS function and 28 KB Flash fit standard IR/RF remote control protocols (RC5, NEC, Bluetooth LE Remote Control profile) without external crystal. The EUSART supports direct drive of low-cost 433 MHz transmitters, and the CWG can synthesize the carrier with no extra components. At 1.8 V operation from two AAA cells, the remote lasts 2-3 years on a single battery set, with XLP sleep current drawing less than 1 uA between button presses.
Recommended
Home Automation and Smart Lighting
The PIC16LF18326T-I/SL's CLC and NCO peripherals can synthesize dimming curves and color-mixing waveforms entirely in hardware, freeing the CPU for wireless protocol and user interface. Its 2.5 V to 3.6 V typical range supports direct connection to a 3.3 V regulated supply, while the 10-bit PWM enables flicker-free LED dimming down to 1% duty cycle. Deployed in a Zigbee or Matter smart bulb driver, it replaces multiple dedicated timer ICs and reduces BOM cost by 30-40%.
Recommended
Industrial Sensor Transmitters
The PIC16LF18326T-I/SL's 10-bit ADC, two comparators, and 5-bit DAC support 4-20 mA current loop transmitter designs with on-chip signal chain and linearity correction. Industrial -40C to +85C temperature rating and 1.8 V to 3.6 V operation enable loop-powered 2-wire designs where the MCU runs directly off a 4 mA minimum loop current. The CWG peripheral generates HART modulator waveforms for legacy industrial networks, while EUSART drives RS-485 transceivers directly.
Recommended
Automotive Body and Comfort Modules
The PIC16LF18326T-I/SL handles body electronics tasks such as seat control, mirror adjustment, and ambient lighting with its 32 MHz throughput and PWM-intensive peripherals. The 14-SOIC package fits behind switch panels and door modules, while the wide 1.8 V to 3.6 V supply handles load-dump transients when paired with a 3.3 V LDO. The CLC enables capacitive touch sensing for interior controls, replacing mechanical buttons and reducing assembly cost.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF18326T-I/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18326T-I/SL | PIC16LF18326-I/SL | PIC16LF18326T-I/JQ | PIC16LF18325T-I/ST | PIC16LF18323T-I/SL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same |
| Flash Memory | 28 KB (16K x 14) | 28 KB (16K x 14) | 28 KB (16K x 14) | 28 KB (16K x 14) | 8 KB (-71%) | 4 KB (-86%) |
| Data RAM | 2048 bytes | 2048 bytes | 2048 bytes | 2048 bytes | 1024 bytes (-50%) | 512 bytes (-75%) |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Supply Voltage Range | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V - same |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| AEC-Q100 Qualified | No | Yes (Functional Safety variant) | No | No | No | No |
| Unit Price @ Qty 1 (USD, as of 2026-09-24) | 1.85 | 1.95 (approx) | 1.75 (approx) | 1.90 (approx) | 1.45 (approx) | 1.25 (approx) |
Key Differentiators
- Lowest minimum supply voltage in 8-bit XLP family (vs PIC16F18326T-I/SL)
- Largest Flash memory in the PIC16LF183xx family (vs PIC16LF18325T-I/ST)
- Peripheral Pin Select on most digital pins (vs PIC16LF18323T-I/SL)
Design Notes
The PIC16LF18326T-I/SL operates from 1.8 V to 3.6 V, but at 32 MHz CPU clock the typical recommended minimum is 2.5 V. Decouple VDD with a 100 nF ceramic capacitor as close as possible to the VDD pin and a bulk 1 uF to 10 uF tantalum or ceramic cap within 1 cm. For battery-powered designs, place a 100 ohm ferrite bead between the cell and VDD to suppress inrush transients that can trigger the brown-out reset.
Route the ICSPDAT and ICSPCLK lines away from switching power traces to avoid programming interference. Place the MCLR pull-up (typically 10 kohm) close to the pin to ensure clean reset behavior. When using PPS to remap peripherals, group all PPS-mapped functions on adjacent pins to simplify future code maintenance and reduce routing congestion on the 14-SOIC layout.
Do not assume the LF variant operates at 5 V: the PIC16LF18326T-I/SL absolute maximum VDD is 4.0 V. Exceeding 3.6 V will damage the part - use the F variant (PIC16F18326T-I/SL) for 5 V designs. Also, the PPS function is only available on specific pins; verify the pin-peripheral mapping in the datasheet before finalizing PCB layout, or you may discover the SPI MOSI cannot reach the pin you assigned to the connector.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; choose PIC16F18326T-I/SL (FuSa variant) for automotive safety applications.
