PIC16LF724-I/PT - 8-bit 20MHz 7KB Flash XLP MCU | Microchip
Référence : PIC16LF724-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.4 | $3,40 |
| 10 | $3.06 | $30,60 |
| 100 | $2.72 | $272,00 |
| 500 | $2.41 | $1 205,00 |
| 1 000 | $2.1 | $2 100,00 |
PIC16LF724-I/PT Présentation
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU core, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and a fixed set of peripherals such as timers, ADC, comparators, and communication modules. PIC microcontrollers use a Harvard RISC architecture with a 14-bit instruction word optimized for deterministic execution and very low active and sleep current. The PIC16LF724-I/PT belongs to the PIC16F mid-range family and the broader XLP nanoWatt XLP product line, which targets battery-powered and energy-harvesting designs where quiescent current, deep-sleep retention, and watchdog-timer-driven wake-up are primary design constraints.
Key features include an integrated 8-bit ADC, multiple Capture/Compare/PWM (CCP) modules, on-chip 32 kHz oscillator support for low-power timekeeping, an internal voltage reference, and an enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) for serial communication. The 36 I/O pins are arranged as 25 high-current capable ports plus 11 shared/auxiliary signals, providing ample headroom for keypad scans, LED matrix drive, and sensor multiplexing on a single chip.
The PIC16LF724 architecture combines a 14-bit instruction set with a hardware multiplier, indirect/linear data-memory addressing, and dual clock sources (HFINTOSC and LFINTOSC), enabling software to toggle the CPU between high-performance 20 MHz operation and sub-microamp sleep states. Internal brown-out reset, power-on reset, and a configurable watchdog timer (WDT) provide robust unattended operation in industrial environments.
Typical applications include handheld battery-powered instruments, low-power remote sensor nodes, consumer white goods user panels, HVAC thermostat control, and IoT edge nodes. The wide 1.8V-3.6V supply range makes the device directly compatible with single-cell Li-ion, two-cell AA, and 3.3V regulated rails.
When designing with this MCU, allocate one or two I/O pins for In-Circuit Serial Programming (ICSP) and reserve adequate decoupling (100 nF + bulk) near VDD/AVDD. Plan current budgets assuming deep-sleep currents in the sub-microamp range and active-mode currents of a few hundred microampere at 1 MHz to extend battery life.
This page synthesizes distributor pricing, same-brand drop-in alternatives, application design patterns, and practical engineering notes not consolidated on any single manufacturer or distributor page.
Alternatives de remplacement direct pour PIC16LF724-I/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC16LF724-I/PT (même facteur de forme et même empreinte) — différant par Package, Core Architecture, Program Memory (Flash), ADC, Internal Oscillator.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16LF724T-I/PT
✅ Remplacement direct✓ En stock
$1.2 / unité
Voir la fiche technique →PIC16LF722-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16F724-I/PT
✅ Remplacement direct✓ En stock
$1.67 / unité
Voir la fiche technique →PIC16LF723-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC16LF707-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$1.69 / unité
Voir la fiche technique →PIC16LF1947-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$2.55 / unité
Voir la fiche technique →PIC16LF724-I/PT Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit Microcontroller (MCU) |
| Series | PIC16F XLP nanoWatt XLP |
| Core Architecture | PIC Harvard RISC, 14-bit instruction word |
| Program Memory (Flash) | 7 KB (4K x 14) |
| RAM | 192 bytes |
| Maximum CPU Clock | 20 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 36 |
| Boîtier | 44-pin TQFP (PT), 10x10 mm |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C (Industrial, -I suffix) |
| ADC | 8-bit, multi-channel |
| CCP Modules | Yes (Capture/Compare/PWM) |
| Serial Interface | EUSART |
| Internal Oscillator | Yes (HFINTOSC, LFINTOSC) |
| Watchdog Timer | Yes (WDT) |
| Brown-Out Reset | Yes (BOR) |
| Statut RoHS | Compliant |
Configuration des broches de PIC16LF724-I/PT
| Broche 1 | MCLR/VPP — Master Clear (Reset) input / ICSP programming voltage |
| Broche 2 | RA0 — Digital I/O / analog input AN0 |
| Broche 3 | RA1 — Digital I/O / analog input AN1 |
| Broche 4 | RA2 — Digital I/O / analog input AN2 / CVREF |
| Broche 5 | RA3 — Digital I/O / analog input AN3 / VREF+ |
| Broche 6 | RA4 — Digital I/O / analog input AN4 / T0CKI |
| Broche 7 | RA5 — Digital I/O / analog input AN5 / SS |
| Broche 8 | RA6 — Digital I/O / oscillator output |
| Broche 9 | RA7 — Digital I/O / oscillator input |
| Broche 10 | VSS — Ground reference |
| Broche 11 | VDD — Positive supply voltage (1.8V-3.6V) |
| Broche 12 | VSS — Ground reference |
| Broche 13 | OSC1 — Crystal/clock input |
| Broche 14 | OSC2 — Crystal/clock output |
| Broche 15 | RC0 — Digital I/O / PWM output |
| Broche 16 | RC1 — Digital I/O / PWM output |
| Broche 17 | RC2 — Digital I/O / PWM output |
| Broche 18 | RC3 — Digital I/O / SCL |
| Broche 19 | RC4 — Digital I/O / SDA |
| Broche 20 | RC5 — Digital I/O / SDO |
| Broche 21 | RC6 — Digital I/O / TX |
| Broche 22 | RC7 — Digital I/O / RX |
| Broche 23 | VSS — Ground reference |
| Broche 24 | VDD — Positive supply voltage |
| Broche 25 | RB0 — Digital I/O / interrupt-on-change |
| Broche 26 | RB1 — Digital I/O / interrupt-on-change |
| Broche 27 | RB2 — Digital I/O / interrupt-on-change |
| Broche 28 | RB3 — Digital I/O / interrupt-on-change |
| Broche 29 | RB4 — Digital I/O / interrupt-on-change |
| Broche 30 | RB5 — Digital I/O / interrupt-on-change |
| Broche 31 | RB6 — Digital I/O / interrupt-on-change / ICSP clock |
| Broche 32 | RB7 — Digital I/O / interrupt-on-change / ICSP data |
| Broche 33 | VSS — Ground reference |
| Broche 34 | VDD — Positive supply voltage |
| Broche 35 | RD0 — Digital I/O |
| Broche 36 | RD1 — Digital I/O |
| Broche 37 | RD2 — Digital I/O |
| Broche 38 | RD3 — Digital I/O |
| Broche 39 | RD4 — Digital I/O |
| Broche 40 | RD5 — Digital I/O |
| Broche 41 | RD6 — Digital I/O |
| Broche 42 | RD7 — Digital I/O |
| Broche 43 | RE0 — Digital I/O / AN6 |
| Broche 44 | RE1 — Digital I/O / AN7 |
Applications typiques
PIC16LF724-I/PT convient pour 7 applications: Battery-Powered Sensor Node, HVAC Thermostat Control, Consumer White Goods User Panel, Handheld Battery-Powered Instruments, Industrial Low-Power Telemetry, IoT Edge / Smart Sensor Hub, Educational / Development Platform.
Battery-Powered Sensor Node
The PIC16LF724-I/PT is ideally suited for battery-powered wireless sensor nodes that spend most of their life in sleep mode and wake periodically to transmit readings. With 1.8V-3.6V operation directly from a single Li-ion or 2x AA cell stack, and nanoWatt XLP deep-sleep currents in the sub-microamp range, it enables multi-year coin-cell deployments for temperature, humidity, and occupancy sensors. The integrated 8-bit ADC handles thermistor and battery-voltage sampling, while the 16 MHz HFINTOSC provides fast wake-and-measure cycles. The 36 I/O pins allow connection to multiple sensor channels, an SPI radio module, and status LEDs without external muxing.
Recommandé
HVAC Thermostat Control
The PIC16LF724-I/PT is well-matched for HVAC wall thermostats that drive relays, read NTC thermistors, and display setpoints on a simple LED/LCD interface. Its 1.8V-3.6V supply range runs directly from 2x AA backup cells during power-line outages, while CCP PWM modules can drive triac-style phase control for line-voltage HVAC equipment. The 8-bit ADC handles the NTC temperature sensor, the on-chip EUSART drives a Wi-Fi or Modbus module for smart-thermostat connectivity, and the 192-byte RAM accommodates small UI state machines. Compared with 5V-only PIC16F parts, the LF rating keeps the design within residential low-voltage SELV limits.
Recommandé
Consumer White Goods User Panel
For washing machines, dishwashers, and microwave oven control panels, the PIC16LF724-I/PT offers enough Flash and I/O for a multi-button keypad, LED or 7-segment display driver via external shift registers, and buzzer control via CCP PWM. The 36 I/O pins comfortably accommodate 4x4 key matrices plus dedicated LED rows without external decoder ICs. Operating from a 3.3V rectified and regulated rail keeps EMI low in white-goods environments, while the -40C to +85C industrial temperature range handles the warm interior of an appliance cabinet. CCP modules can drive the triac interface for motor or heater control.
Recommandé
Handheld Battery-Powered Instruments
The PIC16LF724-I/PT suits handheld test instruments such as digital multimeters, infrared thermometers, and battery-form analyzers that need long battery life and low BOM cost. The 1.8V minimum supply allows two AAA cells to power the device down to end-of-life voltage without boost converters, while nanoWatt XLP sleep modes between measurement cycles extend runtime to months. The 8-bit ADC with internal voltage reference is accurate enough for thermopile and shunt-resistor measurements, and the EUSART drives an external Bluetooth Low Energy module for wireless data logging. CCP modules can generate the chirp pulse for ultrasonic distance measurement in laser rangefinder applications.
Recommandé
Industrial Low-Power Telemetry
The PIC16LF724-I/PT fits industrial telemetry edge nodes that report machine status over RS-485, LoRa, or sub-GHz radio links, waking on a timer or interrupt to take a reading and transmit. The wide 1.8V-3.6V supply tolerance is robust against noisy 24V industrial rails stepped down to 3.3V, and BOR/PWRT provide safe MCU reset behavior on brown-outs. The 36 I/O pins handle multiple discrete sensor inputs, while the EUSART drives an external RS-485 transceiver. Compared with a discrete 555-timer + op-amp wake circuit, the on-chip WDT and HFINTOSC simplify firmware-driven duty cycling.
Recommandé
IoT Edge / Smart Sensor Hub
For battery-powered IoT edge nodes such as BLE beacons, Zigbee end devices, or Thread border routers, the PIC16LF724-I/PT provides a low-cost, low-current host MCU that manages a radio module via SPI/UART, scans sensors, and runs application logic. The 1.8V minimum VDD aligns with coin-cell battery discharge curves, while the 36 I/O allow simultaneous SPI radio CS, IRQ, and multiple GPIO-controlled sensors. The 8-bit ADC handles analog sensor inputs such as light or gas sensors, and the EUSART supports debug logging. With 7 KB Flash, the device fits typical BLE/Zigbee application profiles including custom sensor data formatting and over-the-air update stubs.
Recommandé
Educational / Development Platform
The PIC16LF724-I/PT is suitable for embedded-systems training, university microcontroller labs, and hobbyist projects. Its 44-pin TQFP package breaks out enough I/O for LED arrays, LCD modules, keypad input, and breadboard-friendly connections, while the 7 KB Flash accommodates full lessons in GPIO, timers, ADC, PWM, UART, and interrupt handling. MPLAB X IDE and PICkit 5 programmer support is free and well-documented, lowering onboarding friction. Compared with 8/14-pin baseline PICs, the PIC16LF724 offers peripheral-rich exposure without overwhelming students.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LF724-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16LF724T-I/PT | PIC16LF722-I/PT | PIC16F724-I/PT | PIC16LF723-I/PT | PIC16LF707-I/PT | PIC16LF1947-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (PT), 10x10 mm | 44-pin TQFP (PT), 10x10 mm - same | 44-pin TQFP (PT), 10x10 mm - same | 44-pin TQFP (PT), 10x10 mm - same | 44-pin TQFP (PT), 10x10 mm - same | 44-pin TQFP (PT), 10x10 mm - same | 44-pin TQFP (PT), 10x10 mm - same |
| Flash Memory | 7 KB | 7 KB | 3.5 KB (-50%) | 7 KB | 7 KB | 14 KB (+100%) | 14 KB (+100%) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.0 V to 5.5 V (wider, no 1.8V) | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Max CPU Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 32 MHz (+60%) |
| I/O Pins | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
| XLP / Sleep Mode | Yes (nanoWatt XLP) | Yes | Yes | Yes (F-series XLP) | Yes | Yes | Yes (nanoWatt XLP) |
| Lifecycle Status | Active | Active | Active | Active | Active | Active | Active |
| Industrial Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principaux différenciateurs
- Lowest VDD floor (1.8V) for single-cell alkaline or end-of-life Li-ion designs (vs PIC16F724-I/PT)
- Drop-in identical die with tape-and-reel packaging (vs PIC16LF724T-I/PT)
- Half the Flash of PIC16LF707 at typically lower cost (vs PIC16LF707-I/PT)
- Doubles Flash of the lower-cost sibling (vs PIC16LF722-I/PT)
Notes de conception
Place a 100 nF decoupling capacitor as close as possible to each VDD pin (the PIC16LF724-I/PT has multiple VDD/VSS pairs on pins 10/11, 23/24, 33/34). Add a bulk 10 uF tantalum or ceramic capacitor at the regulator output. For battery applications drawing peak currents of 20 mA during ADC sampling, ensure the source impedance is below 1 ohm to prevent VDD droop. Use the internal BOR and PWRT to manage brown-out conditions and to delay release from reset until VDD stabilizes.
Route the ICSP signals PGD (RB7) and PGC (RB6) to a dedicated 6-pin header with MCLR/VPP pulled up through 10 kohm to VDD. Keep the crystal traces short (under 10 mm) and guarded by a ground trace if possible; for high-EMI environments, place the crystal on the same side of the PCB as the MCU. If using the internal HFINTOSC, leave OSC1/OSC2 as no-connect (NC) per the datasheet, but still expose pads for optional external crystal debugging. Add a 1 Mohm pulldown on MCLR for added ESD protection.
Do not assume the PIC16LF724 will operate at 20 MHz across the full 1.8V-3.6V range; at 1.8V minimum VDD the maximum CPU clock derates to 16 MHz per the Microchip PIC16F72X datasheet (DS41365F). When migrating from PIC16F724, never connect to voltages below 2.0V. The LF suffix is critical - using a 'F' part in a 1.8V design is a common production failure. Configure unused I/O pins as outputs low to minimize current draw in sleep mode.
The PIC16LF724-I/PT in TQFP-44 has a typical theta_JA of around 50 C/W (estimated, refer to package thermal data in DS41365F section 'Packaging Information'). At 20 MHz active mode with all peripherals enabled, the typical active current is around 5-7 mA, dissipating about 20-25 mW at 3.3V - well within thermal limits. In sleep mode the device drops below 1 uA, removing thermal concerns entirely. For continuous high-current GPIO drive above 25 mA per pin, derate to stay below 100 mA total port current.
When using the EUSART at higher baud rates (above 115200 bps) at 20 MHz CPU clock, keep the TX/RX traces short and matched in length. Place a series resistor (22-100 ohm) on the TX line near the MCU to dampen ringing if the cable/connector capacitance exceeds 30 pF. For SPI-based radio modules, place a 10-100 ohm series resistor on the SCK line if you observe ringing above 5 MHz SCK. Use the internal weak pull-ups on PORTB (RB0-RB7) for switches or pushbuttons instead of external pull-ups where possible.
Informations de conformité
RoHS and REACH compliant per Microchip product documentation. Not AEC-Q100 qualified - this is an industrial/consumer-grade 8-bit MCU; for automotive applications, contact Microchip for PIC16F equivalent automotive parts.