PIC16LF15344T-I/GZ - 8-Bit 32MHz XLP MCU 7KB Flash | Microchip
MPN: PIC16LF15344T-I/GZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.42 | $1.42 |
| 10 | $1.27 | $12.70 |
| 100 | $1.13 | $113.00 |
| 500 | $1 | $500.00 |
| 1,000 | $0.89 | $890.00 |
| 3,000 | $0.78 | $2,340.00 |
PIC16LF15344T-I/GZ Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a configurable set of peripherals on one die. PIC16F-series microcontrollers are 8-bit RISC devices with a Harvard architecture: a separate program and data bus, a small instruction set optimized for compiled C code, and on-chip peripherals that are accessed through Special Function Registers. The 'LF' prefix denotes the low-voltage, low-power variant (1.8V-3.6V) while the 'F' variants typically operate at 2.3V-5.5V.
Key features include 18 configurable I/O pins, 10-bit ADC resolution, multiple Core Independent Peripherals (CIPs) that operate without CPU intervention, and ultra-low-power sleep currents that make the part suitable for battery-powered or energy-harvesting applications. The 32MHz internal oscillator eliminates the need for an external crystal in many designs, while the UQFN-20 (4x4 mm) package is suitable for space-constrained PCB layouts.
The device uses a 14-bit instruction word with a Harvard memory bus, achieving deterministic interrupt latency that suits real-time control loops. The integrated CIPs - including CWG, NCO, CCP and PWM - let the hardware continue critical waveform generation even when the CPU is in sleep, which is essential for low-power motor, lighting and sensor-driven applications.
Typical applications include IoT sensor nodes, low-power wireless-connected end nodes, consumer electronics with touch or LED feedback, industrial control subsystems, battery management peripherals, and small home appliances. The combination of low sleep current, CIPs and small QFN package makes the part especially useful in space-constrained battery-powered products.
When designing with the PIC16LF15344T-I/GZ, ensure that the supply rail is decoupled with both bulk and high-frequency ceramic capacitors near the VDD pins. The Debugger/Programming pins (ICSPDAT/ICSPCLK) must be accessible for in-circuit serial programming (ICSP), and unused I/O pins should be configured as outputs low to minimize quiescent draw.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes beyond the manufacturer datasheet to give engineers a complete decision-grade view of the PIC16LF15344T-I/GZ.
Drop-in alternatives for PIC16LF15344T-I/GZ — 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 PIC16LF15344T-I/GZ (same form factor and footprint) — differing in Package, ADC, Comparators, I/O Pins, PWM Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF15344T-E/GZ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF15344-I/GZ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF15325T-I/GZ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF15325-I/JQ
✅ Drop-In✓ In Stock
$0.99 / Unit
View Datasheet →PIC16LF15324-I/JQ
✅ Drop-In✓ In Stock
$0.81 / Unit
View Datasheet →PIC16LF15344T-I/GZ Maximum Ratings & Electrical Characteristics
| Family | PIC16F153xx (PIC® XLP™ 16F) |
| Core | 8-bit PIC16 RISC (Harvard) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 512 B |
| Maximum CPU Frequency | 32 MHz |
| Operating Supply Voltage | 1.8 V to 3.6 V |
| I/O Pins | 18 |
| ADC | 10-bit |
| DAC | Yes (integrated) |
| PWM Channels | 4 |
| Comparators | Yes |
| CWG (Complementary Waveform Generator) | Yes |
| EUSART | 2 |
| SPI / I2C | Yes |
| Package | 20-UQFN (4x4 mm), GZ suffix |
| Mounting Type | Surface Mount (SMD/SMT) |
| Operating Temperature | -40 C to +85 C (Industrial, I grade) |
| MSL Level | MSL3 (per JEDEC J-STD-020, reflow 260 C) |
| Lead-Free / RoHS | Lead-free finish; RoHS compliant |
| Peripherals Summary | ADC, DAC, Comparator, 4xPWM, CWG, 2xEUSART, SPI, I2C |
PIC16LF15344T-I/GZ Pin Configuration
| Pin 1 | RA5 — GPIO RA5 / ADC channel / ICSPDAT |
| Pin 2 | RA4 — GPIO RA4 / ADC channel |
| Pin 3 | RA3 — GPIO RA3 / VPP (programming high voltage) |
| Pin 4 | RA2 — GPIO RA2 / ADC channel |
| Pin 5 | RA1 — GPIO RA1 / ADC channel / ICSPCLK |
| Pin 6 | RA0 — GPIO RA0 / ADC channel |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — GPIO RA7 / oscillator input |
| Pin 9 | RA6 — GPIO RA6 / oscillator output |
| Pin 10 | RC0 — GPIO RC0 |
| Pin 11 | RC1 — GPIO RC1 |
| Pin 12 | RC2 — GPIO RC2 |
| Pin 13 | RC3 — GPIO RC3 / SCL (I2C) |
| Pin 14 | RC4 — GPIO RC4 / SDA (I2C) |
| Pin 15 | RC5 — GPIO RC5 |
| Pin 16 | RC6 — GPIO RC6 |
| Pin 17 | RC7 — GPIO RC7 |
| Pin 18 | VSS — Ground reference (thermal pad) |
| Pin 19 | VDD — Positive supply 1.8 V to 3.6 V |
| Pin 20 | RB4 — GPIO RB4 |
Typical Applications
PIC16LF15344T-I/GZ is suitable for 6 applications: Battery-Powered IoT Sensor Node, Consumer LED Lighting Control, Industrial Sensor / Process Subsystem, Home Appliance Control Board, Portable Wearable / Fitness Device, Automotive Body / Comfort Subsystem.
Battery-Powered IoT Sensor Node
The PIC16LF15344T-I/GZ suits battery-powered IoT sensor nodes because it operates from 1.8 V to 3.6 V and runs at 32 MHz while its XLP architecture drives sleep current into the sub-uA range. The integrated 10-bit ADC samples sensor inputs directly without an external front end, and the 2 EUSARTs + SPI handle Sub-GHz radio modules (LoRa, FSK, OOK) used in remote telemetry. Core Independent Peripherals (CWG, PWM, NCO) keep timing-critical tasks running while the CPU sleeps, extending battery life in deployed nodes. With 4 KB flash and 512 B RAM the part runs MPLAB XC8 firmware including light-weight wireless stacks, and the UQFN-20 (4x4 mm) footprint fits within coin-cell powered PCBs.
Recommended
Consumer LED Lighting Control
The PIC16LF15344T-I/GZ fits consumer LED lighting controllers because its 4 PWM outputs and integrated Complementary Waveform Generator (CWG) drive MOSFET half-bridges or HBLED drivers directly with hardware-timed waveforms. The 32 MHz core computes color-mixing or fade curves in real time, while the 10-bit ADC reads thermistor feedback for thermal foldback protection. Operating from 1.8 V to 3.6 V allows direct connection to a single-cell Li-Ion or 2xAA supply. The UQFN-20 (4x4 mm) package enables compact bulb-form-factor PCBs, and EUSARTs/I2C accept wireless MCU bridge modules (BLE, Zigbee) for app-controlled fixtures.
Recommended
Industrial Sensor / Process Subsystem
The PIC16LF15344T-I/GZ suits industrial sensor subsystems because its 10-bit ADC, integrated DAC, comparator and 2 EUSARTs interface directly with 4-20 mA loops, RTDs, thermistors and Modbus/RS-485 transceivers. The 1.8 V-3.6 V supply range plus industrial -40 C to +85 C temperature grade tolerates factory-floor environments, while the 32 MHz CPU executes deterministic control loops at sub-microsecond resolution. The CWG generates timing signals for optocoupler-driven triac or SSR control, and ICSP over ICSPDAT/ICSPCLK enables field firmware updates without removing the module. UQFN-20 (4x4 mm) supports compact DIN-rail mountable sensor PCBs.
Recommended
Home Appliance Control Board
The PIC16LF15344T-I/GZ integrates well into home appliance control boards such as coffee machines, induction cooktops, washing machines or HVAC controls. Its 32 MHz core runs motor-control or PID algorithms in real time, the 4 PWMs drive BLDC or stepper motors, and the integrated comparator with DAC implements overcurrent/overvoltage protection without external analog ICs. The 18 GPIO pins handle keypads, displays (via SPI/I2C) and triac firing signals, and the 7 KB flash stores full application firmware plus bootloader for field updates. Industrial temperature grade and the 1.8 V-3.6 V supply range tolerate global mains-derived DC rails.
Recommended
Portable Wearable / Fitness Device
The PIC16LF15344T-I/GZ fits portable wearables and fitness bands because its XLP (eXtreme Low Power) design and 1.8 V-3.6 V operation maximize runtime from coin-cell or Li-Po batteries. The integrated 10-bit ADC and DAC interface with bio-sensor front ends (heart-rate, SpO2, body-temperature), while the comparator generates low-battery alerts without waking the core. The 32 MHz CPU executes display updates and BLE command handling in bursts, after which the device returns to sub-uA sleep. UQFN-20 (4x4 mm) footprint fits inside small enclosures, and SPI/I2C ports accept small OLED displays or BLE modules.
Recommended
Automotive Body / Comfort Subsystem
Although the PIC16LF15344T-I/GZ itself is industrial-grade, its drop-in extended-temperature sibling PIC16LF15344T-E/GZ (or AEC-Q100 qualified PIC16F15344-E/GZ) suits automotive body and comfort subsystems such as ambient lighting, mirror controllers or HVAC flaps. The 4 PWMs and CWG drive LED strings or small DC motors, while the 2 EUSARTs + SPI interface with LIN transceivers and lighting network modules. Hardware CIPs handle blink/fade patterns without CPU load, and the small UQFN-20 footprint supports tight automotive PCB assemblies where space is at a premium.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF15344T-I/GZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF15344T-E/GZ | PIC16LF15344-I/GZ | PIC16LF15325T-I/GZ | PIC16LF15325-I/JQ | PIC16LF15324-I/JQ |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | UQFN-20 (4x4 mm, GZ) | UQFN-20 (4x4 mm, GZ) - same | UQFN-20 (4x4 mm, GZ) - same | UQFN-20 (4x4 mm, GZ) - same | UQFN-20 (4x4 mm, JQ) - same footprint | UQFN-20 (4x4 mm, JQ) - same footprint |
| Program Memory (Flash) | 7 KB (4K x 14) | 7 KB (4K x 14) | 7 KB (4K x 14) | 14 KB (8K x 14) | 14 KB (8K x 14) | 3.5 KB (2K x 14) |
| Data RAM | 512 B | 512 B | 512 B | 1 KB | 1 KB | 256 B |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Temperature Grade | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) |
| I/O Pins | 18 | 18 | 18 | 18 | 18 | 18 |
| Peripherals (key CIPs) | ADC 10-bit, DAC, CMP, 4 PWM, CWG, 2 EUSART, SPI, I2C | Same as target | Same as target | Same peripherals, more memory | Same peripherals, more memory | Reduced peripherals vs target |
Key Differentiators
- eXtreme Low Power (XLP) architecture with sub-uA sleep current (vs PIC16F15344-I/GZ (F variant))
- Wide Core Independent Peripheral (CIP) integration (vs PIC16LF1507T-I/GZ)
- Drop-in scalability within the PIC16F153xx family (vs PIC16LF15324-I/JQ (smaller flash))
Design Notes
The PIC16LF15344T-I/GZ requires VDD between 1.8 V and 3.6 V. Place a 100 nF decoupling capacitor as close as possible to the VDD pin, plus a 10 uF bulk capacitor near the supply rail. If the design uses sleep modes with rapid wake-up, ensure VDD rise time meets the datasheet power-on reset (POR) specification of VDD < 50 mV/ms slew for clean cold-start behavior. The 'LF' variant supports lower-voltage operation than the 'F' variant, which matters for Li-Ion / coin-cell battery rails.
The 20-UQFN (4x4 mm) package has an exposed thermal pad that must be soldered to the PCB VSS plane for proper thermal and electrical performance. Use at least 4 thermal vias under the pad to a bottom-layer VSS pour to dissipate heat and provide a low-inductance ground return. Keep the ICSPDAT (pin 1) and ICSPCLK (pin 5) traces accessible for in-circuit serial programming and debugging with PICkit 4 or MPLAB Snap.
Do not leave unused GPIO pins floating - configure them as outputs low in firmware to minimize quiescent current. The RA3 pin serves as both GPIO and the VPP high-voltage programming pin, so the surrounding circuit must tolerate ~9 V during ICSP - avoid low-voltage-only components directly on RA3. Finally, when migrating between 'LF' and 'F' variants, verify that the maximum CPU frequency versus VDD curve (FDDS graph) supports 32 MHz at the lower VDD of the 'LF' part.
Route I2C lines (RC3/SCL, RC4/SDA) with 4.7 kohm pull-ups and keep them short to avoid rise-time violations above the 400 kHz fast-mode specification. For SPI traces running >10 MHz, use a ground reference and matched trace lengths to prevent reflections. The 32 MHz internal oscillator eliminates most EMI concerns, but high-current switching outputs (driving MOSFET gates) should be routed away from sensitive analog ADC inputs to prevent digital noise coupling into measurements.
Compliance Information
RoHS-compliant lead-free finish per Microchip product page. Standard I-grade part is not AEC-Q100 qualified - for automotive designs use the PIC16F15344-E/GZ extended-temperature variant or contact Microchip for AEC-Q100 automotive-grade options.
