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PIC16F18344-E/SO

MCHPPIC16F18344-E/SO

Microchip Technology
PIC PIC® XLP™ 16F, Functional Safety (FuSa) Microcontroller IC 8-Bit 32MHz 7KB (4K x 14) FLASH 20-SOIC
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Overview

The PIC16F18344-E/SO is an 8-bit microcontroller from Microchip's eXtreme Low Power (XLP) family, designed for functional safety and low-power applications. Operating at up to 32MHz, it integrates 7KB of Flash memory and a suite of Core Independent Peripherals (CIPs) that reduce CPU overhead. This variant is rated for extended temperature ranges, making it suitable for demanding industrial or automotive environments.

Why Choose This Part

This MCU offers Peripheral Pin Select (PPS) for flexible I/O routing, simplifying PCB layout. Its Core Independent Peripherals allow complex tasks like PWM generation and signal modulation to run while the CPU is in sleep mode, significantly reducing total system power consumption. The inclusion of 256 bytes of dedicated EEPROM provides reliable non-volatile storage for calibration data and user settings.

Applications

Functional Safety Systems
Utilizes hardware features like the Windowed Watchdog Timer (WWDT) and Cyclic Redundancy Check (CRC/SCAN) for safety-critical monitoring.
Battery-Powered Remote Sensors
Leverages XLP technology with sleep currents as low as 40nA to extend battery life in periodic measurement cycles.
Signal Modulation and Processing
Uses the integrated Data Signal Modulator (DSM) and Numerically Controlled Oscillator (NCO) for efficient communication protocol generation.
Custom Logic Integration
The Configurable Logic Cell (CLC) allows for creating hardware-based logic functions that operate without CPU intervention.

Key Specifications

Speed 32MHz
RAM Size 512 x 8
Core Size 8-Bit
EEPROM Size 256 x 8
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Connectivity I2C, LINbus, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 18
Core Processor PIC
Package / Case 20-SOIC (0.295", 7.50mm Width)
Data Converters A/D 17x10b; D/A 1x5b
Oscillator Type Internal
Program Memory Size 7KB (4K x 14)
Program Memory Type FLASH
Operating Temperature -40degC ~ 125degC (TA)
Supplier Device Package 20-SOIC
Voltage - Supply (Vcc/Vdd) 2.3V ~ 5.5V

Getting Started

Development is supported by the MPLAB X IDE and the XC8 C Compiler. For rapid prototyping, the MPLAB Code Configurator (MCC) plugin provides a graphical interface to initialize peripherals and pins. Hardware debugging can be performed using the MPLAB PICkit 4 or MPLAB Snap in-circuit debugger via the ICSP interface.

PIC16F1834 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number RAM Package Flash Temp Range Stock
PIC16F18344-E/SO (this part) 512 x 8 SOIC-20 7KB -40degC ~ 125degC .. 506
PIC16F18345-I/SS 1K SSOP-20 14KB -40degC ~ 85degC (.. 5,719
PIC16F18346-E/SS 2K SSOP-20 28KB -40degC ~ 125degC .. 448
PIC16F18345-E/GZ 1K UFQFN-20 14KB -40degC ~ 125degC .. 184
PIC16F18346-I/SO 2K SOIC-20 28KB -40degC ~ 85degC (.. 97
PIC16F18345-E/SS 1K SSOP-20 14KB -40degC ~ 125degC .. 16
PIC16F18345-I/P 1K DIP-20 14KB -40degC ~ 85degC (.. 618
PIC16F18346-E/GZ 2K UFQFN-20 28KB -40degC ~ 125degC .. 541
PIC16F18346-I/GZ 2K UFQFN-20 28KB -40degC ~ 85degC (.. 632
PIC16F18345T-I/SS 1K SSOP-20 14KB -40degC ~ 85degC (.. 6,808
PIC16F18344-I/GZ 512 x 8 UFQFN-20 7KB -40degC ~ 85degC (.. 21,280
PIC16F18344-I/P 512 x 8 DIP-20 7KB -40degC ~ 85degC (.. 493
PIC16F18346-E/SO 2K SOIC-20 28KB -40degC ~ 125degC .. 208
PIC16F18344-I/SO 512 x 8 SOIC-20 7KB -40degC ~ 85degC (.. 2

Also Consider

PIC16F18345-E/SO MCHPMicrochip Technology - Offers double the Flash memory (14KB) in the same pinout for larger firmware requirements.
ATtiny1616 MCHPMicrochip Technology - A modern 8-bit alternative with more Flash and RAM in a 20-pin SOIC package using the tinyAVR architecture.