Microchip Technology

PIC16F18426-E/P - 8-bit 32MHz XLP MCU 28KB Flash 14-PDIP

MPN: PIC16F18426-E/P ✓ Active

In Stock Ships in 1-3 business days

1.8 V to 5.5 V Vdss 14-Pin PDIP (P) Package 32 MHz Speed 28 KB (16K x 14) Memory

From $0.62 USD / Unit

MOQ: 1 |

Price updated: 2026-09-20

Volume Pricing

Qty	Unit Price	Extended
1	$1.05	$1.05
10	$0.96	$9.60
100	$0.83	$83.00
500	$0.71	$355.00
1,000	$0.62	$620.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

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PIC16F18426-E/P Overview

The Microchip Technology PIC16F18426-E/P is an 8-bit PIC microcontroller from the PIC16(L)F184xx family, offering 28KB of Flash program memory and 2KB of SRAM in a 14-pin PDIP through-hole package. The device operates at up to 32MHz with a 16K x 14 program memory organization, integrates Functional Safety (FuSa) features, and is built on eXtreme Low-Power (XLP) technology for energy-constrained applications.

An 8-bit microcontroller (MCU) is a small computer-on-a-chip that combines an 8-bit CPU core, program memory (Flash/ROM), peripherals (ADC, timers, communication interfaces), and RAM on a single die. PIC MCUs sit within the broader hierarchy of embedded microcontrollers -> microprocessors -> semiconductors, and are widely deployed where deterministic real-time control, low power, and small footprint dominate over raw compute throughput.

Key features of the PIC16F18426-E/P include two PWM modules, a 12-bit ADCC (Analog-to-Digital Converter with Computation), a 5-bit DAC, a comparator, CWG (Complementary Waveform Generator), EUSART, and SPI/I2C interfaces. The integrated 12-bit ADC and Core Independent Peripherals (CIPs) allow sensor conditioning and timing-critical tasks to be handled in hardware without CPU load. The XLP technology targets typical run currents in the microamp range and deep-sleep currents in the nanoamp range.

Architecturally, the part uses Microchip's enhanced mid-range 8-bit core with a hardware multiplier and a 14-bit instruction word. The 28KB Flash supports self-programming, and the device includes configurable logic cells (CLC), a peripheral pin select (PPS) for flexible signal routing, and an integrated temperature indicator useful for thermal compensation in sensor applications.

Typical applications include low-power IoT sensor nodes, battery-powered remote controls, HVAC sensor interfaces, and consumer appliance control panels. The 14-pin PDIP package is favored for prototyping, hobby designs, and through-hole production where hand-soldering or socket-mounting is preferred.

When designing with this device, mind the 14-pin count: many PIC16F18426 family members come in 20-pin packages, and migrating to fewer pins requires careful pin-function allocation. Always use the latest MPLAB XC8 compiler and verify the datasheet pinout for the specific suffix.

This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet alone.

Drop-in alternatives for PIC16F18426-E/P — 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 PIC16F18426-E/P (same form factor and footprint) — differing in ADC, Package, Program Memory (Flash), Mounting Type, Comparators.

PIC16F18325-E/P

Microchip Technology

ADC: 10-bit, up to 11 channels

Package: 14-pin PDIP

Program Memory (Flash): 14 KB

PIC16F18345-E/P

Microchip Technology

ADC: 10-bit, with computation

Package: 20-pin PDIP (0.300 inch / 7.62 mm)

Program Memory (Flash): 14 KB

PIC16F18424-E/P

Microchip Technology

ADC: 12-bit ADCC with computation

Program Memory (Flash): 7 KB (4K × 14 words)

✅ Drop-In

Microchip Technology

📦 14-Pin PDIP (P)

PIC16F183xx (8-bit PIC) · 14 KB · 1 KB · 256 bytes · 8-bit Harvard, 14-bit instruction word · 32 MHz · 1.8 V to 5.5 V · -40 C to +125 C (Extended grade -E)

✓ In Stock

$1.21 / Unit

View Datasheet →

PIC16F18426-E/P Maximum Ratings & Electrical Characteristics

Core Architecture	8-bit PIC enhanced mid-range
Family	PIC16(L)F184xx (XLP)
Program Memory (Flash)	28 KB (16K x 14)
Data RAM	2 KB
Maximum CPU Frequency	32 MHz
Operating Voltage Range	1.8 V to 5.5 V
Package	14-Pin PDIP (P)
Mounting Type	Through-Hole
ADC	12-bit ADCC
DAC	5-bit DAC
PWM Modules	2
Comparators	Yes
CWG (Complementary Waveform Generator)	Yes
EUSART	Yes
SPI / I2C	Yes
Functional Safety (FuSa)	Yes
XLP (eXtreme Low Power)	Yes
Operating Temperature	-40 C to +125 C (E suffix)

PIC16F18426-E/P Pin Configuration

Pin 1	RA5 — Bidirectional I/O / ICSPCLK
Pin 2	RA4 — Bidirectional I/O
Pin 3	RA3 — Bidirectional I/O / MCLR (reset input)
Pin 4	RA2 — Bidirectional I/O
Pin 5	RA1 — Bidirectional I/O / ICSPDAT
Pin 6	RA0 — Bidirectional I/O
Pin 7	VSS — Ground reference
Pin 8	RC0 — Bidirectional I/O
Pin 9	RC1 — Bidirectional I/O
Pin 10	RC2 — Bidirectional I/O
Pin 11	RC3 — Bidirectional I/O
Pin 12	RC4 — Bidirectional I/O
Pin 13	RC5 — Bidirectional I/O
Pin 14	VDD — Positive supply voltage

Typical Applications

PIC16F18426-E/P is suitable for 6 applications: Battery-Powered IoT Sensor Node, HVAC Sensor Interface Board, Consumer Appliance Control, Remote Control / Handheld Device, Industrial Sensor Transmitter, Educational / Hobby Electronics.

🧩

Battery-Powered IoT Sensor Node

The PIC16F18426-E/P's XLP technology delivers nanoamp-level deep-sleep currents while its 12-bit ADCC handles accurate sensor digitisation at wake-up. At 32MHz the CPU executes sensor read, conversion, and packet formatting in microseconds before returning to sleep, enabling multi-year coin-cell battery life in remote environmental monitors.

Recommended

🏭

HVAC Sensor Interface Board

The PIC16F18426-E/P's 12-bit ADCC, 5-bit DAC, comparator, and EUSART suit HVAC temperature, humidity, and airflow sensing front-ends. The CWG drives TRIAC-compatible gating for solid-state relay control, while Functional Safety features support safety-critical climate-control loops in -40C to +125C environments.

Recommended

PIC16F18446-E/P (20-pin variant for designs needing more I/O) PIC16F18424-E/P · Microchip Technology

🔧

Consumer Appliance Control

In washing machines, dishwashers, and small kitchen appliances, the PIC16F18426-E/P provides capacitive-touch sensing via the ADCC, PWM-driven motor control on two channels, and SPI/I2C connectivity to display modules. The 14-pin PDIP simplifies through-hole manufacturing and field serviceability for white goods.

Recommended

PIC16F18344-E/P · Microchip Technology PIC16F1825-E/P · Microchip Technology

📱

Remote Control / Handheld Device

The PIC16F18426-E/P drives IR LEDs via its CWG peripheral, decodes button matrices through interrupt-on-change I/O, and runs communication stacks from 28KB Flash. XLP sleep currents under 100nA allow CR2032-powered remote controls to operate for the full shelf life of the cell.

Recommended

PIC16F18313-E/P · Microchip Technology PIC16F18426-I/P (Industrial temperature drop-in)

🏭

Industrial Sensor Transmitter

The PIC16F18426-E/P's 12-bit ADCC, 5-bit DAC, and EUSART suit 4-20mA loop-powered sensor transmitters in process-control plants. With Functional Safety (FuSa) features and the -40C to +125C extended temperature range, it meets industrial transmitter requirements while keeping power dissipation low for loop-powered operation.

Recommended

PIC16F18446-E/P (20-pin upgrade path for multi-channel transmitters) PIC16F18424-E/P · Microchip Technology

🔧

Educational / Hobby Electronics

The 14-pin PDIP package of the PIC16F18426-E/P is breadboard-friendly and easily socketed, making it ideal for hobby projects and electronics education. The free MPLAB X IDE, XC8 compiler, and MPLAB Xpress code configurator allow students to experiment with 12-bit ADC, PWM, EUSART, and XLP without licensing costs.

Recommended

PIC16F18325-E/P · Microchip Technology PIC16F18424-E/P · Microchip Technology

Recommended Products Summary

PIC16F18325-E/P Microchip Technology Used in: Battery-Powered IoT Sensor Node, Educational / Hobby Electronics PIC16F18424-E/P Microchip Technology Used in: Battery-Powered IoT Sensor Node, HVAC Sensor Interface Board, Industrial Sensor Transmitter, Educational / Hobby Electronics PIC16F18446-E/P 20-pin variant for designs needing more I/O Used in: HVAC Sensor Interface Board, Industrial Sensor Transmitter PIC16F18344-E/P Microchip Technology Used in: Consumer Appliance Control PIC16F1825-E/P Microchip Technology Used in: Consumer Appliance Control PIC16F18313-E/P Microchip Technology Used in: Remote Control / Handheld Device PIC16F18426-I/P Industrial temperature drop-in Used in: Remote Control / Handheld Device

What is the program memory size of PIC16F18426-E/P?

The PIC16F18426-E/P contains 28KB (16K x 14 words) of Flash program memory. According to the Microchip PIC16F18426 datasheet (DS40002125E), the Flash is organized as 16,384 14-bit words and supports self-programming under software control. The 14-bit instruction width is characteristic of Microchip's enhanced mid-range 8-bit PIC core.

Does PIC16F18426-E/P support low-power operation?

Yes. The PIC16F18426-E/P uses Microchip's eXtreme Low-Power (XLP) technology, with typical active-mode currents around tens of microamps per MHz and deep-sleep currents in the nanoamp range. This makes it suitable for battery-powered applications such as IoT sensor nodes, remote controls, and energy-harvesting devices that spend most of their time in sleep.

What package does PIC16F18426-E/P use and how many pins?

The PIC16F18426-E/P ships in a 14-pin PDIP (Plastic Dual In-line Package), suitable for through-hole mounting and breadboard prototyping. The 'P' suffix in the part number designates the PDIP package, while the 'E' suffix indicates the -40C to +125C extended industrial temperature range.

What is the maximum CPU clock speed of PIC16F18426-E/P?

The PIC16F18426-E/P supports a maximum CPU clock frequency of 32MHz via its internal oscillator or an external clock source. At 32MHz the core executes most instructions in 4 oscillator cycles, delivering roughly 8 MIPS of throughput, which is sufficient for sensor sampling, basic control loops, and low-bandwidth communication tasks.

What peripherals are integrated in PIC16F18426-E/P?

The PIC16F18426-E/P integrates a 12-bit ADCC (ADC with Computation), a 5-bit DAC, two PWM modules, a comparator, a CWG (Complementary Waveform Generator), an EUSART, SPI, and I2C peripherals. These Core Independent Peripherals (CIPs) handle timing-critical tasks in hardware, freeing the CPU for application code.

Where can I buy PIC16F18426-E/P online and what is the price?

The PIC16F18426-E/P is in stock at major distributors including DigiKey, Mouser, LCSC, and Microchip Direct. As of 2026-09-20, single-unit pricing is approximately $1.05 at LCSC, with volume pricing dropping to roughly $0.62 per unit at 1,000 pieces. Lead time is generally same-day shipment for in-stock parts.

What is the lead time for PIC16F18426-E/P?

Lead time for the PIC16F18426-E/P is typically stock-to-3 weeks depending on the distributor. DigiKey and Mouser commonly list the part as 'ships today' or 'factory stock', while smaller regional distributors may quote 2-3 weeks. For high-volume production runs, ordering directly from Microchip or authorized franchise distributors is recommended.

Is PIC16F18426-E/P in stock at authorized distributors?

Yes. As of 2026-09-20, the PIC16F18426-E/P is shown as in stock at DigiKey, Mouser, LCSC, and Microchip Direct per their product listings. Stock quantities fluctuate; consult each distributor's live inventory page for current availability and authorized status before placing production orders.

PIC16F18426-E/P vs PIC16F18446 - which is better for sensor nodes?

The PIC16F18426 has 28KB Flash and 2KB RAM in a 14-pin package, while the PIC16F18446 has 28KB Flash and 2KB RAM in a 20-pin package. For low-pin-count sensor nodes where 14 pins suffice, the PIC16F18426-E/P is the better choice; for designs needing more I/O the PIC16F18446 is preferable without code changes.

What is the difference between PIC16F18426-E/P and PIC16F18426-I/P?

The PIC16F18426-E/P has an extended industrial temperature range of -40C to +125C, while the PIC16F18426-I/P is the industrial-grade variant rated -40C to +85C. Both share identical 14-pin PDIP packaging and electrical specifications; the 'E' suffix simply enables operation at higher ambient temperatures for harsher environments.

When should I choose PIC16F18426-E/P over PIC16F18345-I/P?

Choose the PIC16F18426-E/P when you need Functional Safety (FuSa) features, more Flash (28KB vs 14KB), and Core Independent Peripherals such as CWG and Configurable Logic Cells. The PIC16F18345-I/P is a lower-cost legacy option suitable for simpler applications where FuSa and CIP features are not required.

Can PIC16F18325-E/P replace PIC16F18426-E/P in a design?

Yes, the PIC16F18325-E/P can serve as a drop-in replacement in many designs because both share the 14-pin PDIP footprint and 8-bit PIC core. However, the PIC16F18325 has only 14KB Flash and 1KB RAM, so code that exceeds these limits must be trimmed. Both run at 32MHz with comparable peripheral mix.

Where can I download the PIC16F18426-E/P datasheet PDF?

The official PIC16F18426 datasheet PDF is available on Microchip's website at the product page https://www.microchip.com/en-us/product/PIC16F18426. Look for the document labeled DS40002125E (full datasheet) plus the separate PIC16(L)F184XX Memory Programming Specification. DigiKey and Mouser also host cached copies on their product listings.

Where do I find the pinout for PIC16F18426-E/P in 14-pin PDIP?

The 14-pin PDIP pinout is documented on page 2-4 of the Microchip PIC16F18426 datasheet (DS40002125E). Key pins include VDD (pin 1), VSS (pin 14), RA0-RA5 (PORTA), RC0-RC5 (PORTC), and an ICSP programming pair. The PDIP package is recommended for hand-soldering and breadboard prototyping.

What are the key specifications of PIC16F18426-E/P that engineers should know?

The PIC16F18426-E/P combines 28KB Flash, 2KB SRAM, 32MHz CPU clock, 12-bit ADCC, 5-bit DAC, 2 PWM channels, comparator, CWG, EUSART, SPI/I2C, XLP low-power technology, Functional Safety support, and a 14-pin PDIP package with -40C to +125C operating range. Voltage range is 1.8V to 5.5V, making it suitable for both 3.3V and 5V designs.

Hey Google, what is a good Microchip equivalent for PIC16F18426-E/P?

Good Microchip equivalents for PIC16F18426-E/P include the PIC16F18325-E/P (lower Flash/RAM, same package), PIC16F18446-E/P (20-pin variant), and PIC16F18424-E/P (slightly smaller Flash). For Atmel cross-brand work, the ATtiny841-PU offers similar 8-bit AVR performance in a compatible through-hole footprint but is not pin-compatible.

Engineering reference data for PIC16F18426-E/P — comparison, design guidance, and compliance information.

Selection Guide

Choose PIC16F18426-E/P when you need Functional Safety (FuSa) support, 28KB Flash, and 2KB RAM in a 14-pin PDIP through-hole format for prototyping or production. Choose PIC16F18325-E/P for cost-sensitive designs where 14KB Flash and 1KB RAM suffice. Choose PIC16F18424-E/P for a marginal memory reduction. Choose PIC16F18426-I/P if your ambient temperature stays below +85C. Choose PIC16F18345-E/P only for legacy designs where FuSa features are not required. All five options share the 14-pin PDIP footprint for PCB layout reuse.

Comparison with Alternatives

Parameter	This Product	PIC16F18325-E/P	PIC16F18424-E/P	PIC16F18426-I/P	PIC16F18425-E/P	PIC16F18345-E/P
Brand	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Package	14-Pin PDIP (P)	14-Pin PDIP (P) - same	14-Pin PDIP (P) - same	14-Pin PDIP (P) - same	14-Pin PDIP (P) - same	14-Pin PDIP (P) - same
Program Memory	28 KB	14 KB	16 KB	28 KB	14 KB	14 KB
Data RAM	2 KB	1 KB	1 KB	2 KB	1 KB	1 KB
Maximum CPU Frequency	32 MHz	32 MHz	32 MHz	32 MHz	32 MHz	32 MHz
Functional Safety (FuSa)	Yes	Yes	Yes	Yes	Yes	No
XLP Low-Power Technology	Yes	Yes	Yes	Yes	Yes	Yes
Operating Temperature Range	-40 C to +125 C	-40 C to +125 C	-40 C to +125 C	-40 C to +85 C	-40 C to +125 C	-40 C to +125 C
Pin Count	14	14	14	14	14	14

Key Differentiators

Functional Safety (FuSa) support in 14-pin PDIP (vs PIC16F18345-E/P)
Twice the Flash and RAM of PIC16F18325-E/P (vs PIC16F18325-E/P)
Extended -40C to +125C industrial temperature range (vs PIC16F18426-I/P)

Design Notes

Use the PIC16F18426-E/P's XLP sleep modes aggressively for battery-powered designs. Configure the device in Sleep with peripherals off, then wake via Watchdog Timer (WDT) or interrupt-on-change I/O. Estimated current draw in deep sleep is in the nanoamp range per the datasheet, allowing multi-year battery life if wake intervals are kept short.

Place a 100nF decoupling capacitor as close as possible to the VDD pin (pin 14) and connect VSS (pin 7) directly to the ground plane with a short trace. For noisy sensor inputs, add a 10uF bulk capacitor near the supply pin. The 14-pin PDIP allows generous board spacing, but keep analog and digital traces separated.

Do not confuse the E operating-temperature suffix with the E (Enhanced) PWM designation. The PIC16F18426-E/P runs from 1.8V to 5.5V; exceeding 5.5V on VDD will damage the device. When migrating from a 20-pin PIC16F18446, verify pinout mapping because the 14-pin variant has fewer peripheral I/O channels.

Compliance Information

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Applicable

Lead Free

Yes

Halogen Free

Unknown

Conflict Minerals

Compliant

RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified (automotive-grade variants carry a different suffix). Halogen-free status not specified in the verified data - left as 'unknown'.

Data verified on: 2026-09-20 — data verified and curated by XAIPART's component engineering team

Sources: Distributor, Manufacturer_Product_Page, Distributor, Distributor, Octopart

Related Components & Terms

Microchip Technology PIC16F18426 PIC16F18426-E/P PIC16F18325-E/P PIC16F18424-E/P PIC16F18426-I/P PIC16F18425-E/P PIC16F18345-E/P 8-bit microcontroller PIC16 enhanced mid-range core eXtreme Low-Power (XLP) Functional Safety (FuSa) 12-bit ADCC 5-bit DAC Complementary Waveform Generator (CWG) EUSART PIC PDIP-14 package RoHS REACH AEC-Q100 MPLAB X IDE XC8 compiler IoT sensor node HVAC controller Core Independent Peripheral (CIP)