PIC16F883-I/ML - 8-bit 20MHz 7KB Flash MCU 28-QFN | Microchip
Référence : PIC16F883-I/ML ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.66 | $4,66 |
| 10 | $4.2 | $42,00 |
| 100 | $3.74 | $374,00 |
| 500 | $3.35 | $1 675,00 |
| 1 000 | $3.04 | $3 040,00 |
PIC16F883-I/ML Présentation
An 8-bit flash microcontroller is a single-chip computer that integrates a CPU, non-volatile program memory, RAM, EEPROM, and configurable peripherals into one package. The PIC16F883 fits the hierarchy: microcontroller -> embedded processor -> integrated circuit. Compared to 16/32-bit MCUs, an 8-bit part offers the best price/performance fit for simple control loops, sensor interfacing, and user-interface logic where instruction efficiency and low power matter more than raw computational throughput.
Key features include 14 channels of 10-bit ADC, two 8-bit timers plus one 16-bit timer, an enhanced USART, an MSSP (SPI/I2C) peripheral, a 5-bit DAC, a comparator module, and nanoWatt power management with multiple idle and sleep modes. The 28-QFN footprint gives the device a compact 6x6 mm PCB area, making it suitable for space-constrained designs. Self-programming support allows in-application firmware upgrades without an external programmer.
Typical applications include consumer white goods and small appliance controls, low-cost sensor hubs with I2C/SPI devices, battery-powered handheld instruments, automotive body electronics modules (non-safety), LED lighting controllers, and hobbyist/educational platforms. The wide -40C to +85C industrial range and nanoWatt sleep currents extend the part to energy-harvesting and remote-sensor designs. The device is supported by MPLAB X IDE, XC8 compiler, and the full PICkit/debug toolchain.
When designing with this part, confirm the 28-QFN layout has adequate ground copper for thermal dissipation at high I/O toggle rates, and reserve an ICSP header footprint even if not populated, to simplify in-field firmware updates. Always check that 25 available I/O lines are sufficient for the target application; if more are needed, migrate to a 40/44-pin PIC16F884/7 variant in the same family.
Alternatives de remplacement direct pour PIC16F883-I/ML — 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 PIC16F883-I/ML (même facteur de forme et même empreinte) — différant par Package, Timers, Program Memory (Flash), ADC, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16F882-I/ML
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16F886-I/ML
✅ Remplacement direct✓ En stock
$2.18 / unité
Voir la fiche technique →PIC16F884-I/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC16F883-I/SP
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16F883-I/SO
✅ Remplacement direct✓ En stock
$1.52 / unité
Voir la fiche technique →PIC16F883-I/ML Valeurs maximales et caractéristiques électriques
| Architecture | PIC16 8-bit RISC |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| RAM | 256 B (data sheet snippet says 256 RAM) |
| EEPROM | 256 B |
| Maximum CPU Frequency | 20 MHz |
| Operating Voltage (VDD) | 2.0 V to 5.5 V |
| Digital I/O Pins | 25 |
| ADC | 10-bit, 14 channels |
| Timers | 2 x 8-bit + 1 x 16-bit |
| Capture/Compare/PWM (CCP) | 1 enhanced CCP + 1 CCP |
| Communication Peripherals | 1 x EUSART, 1 x MSSP (SPI / I2C) |
| Comparators | 2 |
| DAC | 5-bit (1 channel, per PIC16F88x family) |
| Instruction Set | 35 single-word instructions |
| Température de fonctionnement | -40C to +85C (industrial, 'I' suffix) |
| Boîtier | 28-pin QFN (6x6 mm), 'ML' suffix |
| Type de montage | Surface Mount |
| Niveau MSL | MSL1 (per Microchip QFN handling note) |
| Statut RoHS | Compliant |
| Self-Programming | Yes (in-application programming) |
| Power-Saving Modes | nanoWatt technology (idle, sleep, low-power modes) |
Configuration des broches de PIC16F883-I/ML
| Broche 1 | RA0/AN0 — Digital I/O / analog input 0 |
| Broche 2 | RA1/AN1 — Digital I/O / analog input 1 |
| Broche 3 | RA2/AN2 — Digital I/O / analog input 2 |
| Broche 4 | RA3/AN3 — Digital I/O / analog input 3 / VREF+ |
| Broche 5 | RA4/AN4 — Digital I/O / analog input 4 / Timer0 clock |
| Broche 6 | RA5/AN5 — Digital I/O / analog input 5 |
| Broche 7 | RA6/OSC2 — Digital I/O / oscillator output |
| Broche 8 | RA7/OSC1 — Digital I/O / oscillator input |
| Broche 9 | VSS — Ground |
| Broche 10 | VDD — Positive supply (2.0-5.5 V) |
| Broche 11 | RB0/INT — Digital I/O / external interrupt |
| Broche 12 | RB1 — Digital I/O |
| Broche 13 | RB2 — Digital I/O |
| Broche 14 | RB3/PGM — Digital I/O / LVP programming |
| Broche 15 | RB4 — Digital I/O / interrupt-on-change |
| Broche 16 | RB5 — Digital I/O / interrupt-on-change |
| Broche 17 | RB6/PGC — Digital I/O / ICSP clock |
| Broche 18 | RB7/PGD — Digital I/O / ICSP data |
| Broche 19 | RC0 — Digital I/O |
| Broche 20 | RC1 — Digital I/O |
| Broche 21 | RC2 — Digital I/O |
| Broche 22 | RC3 — Digital I/O |
| Broche 23 | RC4 — Digital I/O |
| Broche 24 | RC5 — Digital I/O |
| Broche 25 | RC6 — Digital I/O / TX |
| Broche 26 | RC7 — Digital I/O / RX |
| Broche 27 | MCLR/VPP — Master clear / programming voltage |
| Broche 28 | NC — Not connected on QFN package, internally floating |
Applications typiques
PIC16F883-I/ML convient pour 6 applications: Consumer Appliance Control, Battery-Powered Sensor Hub, LED Lighting Controller, Automotive Body Electronics, Industrial Control Panel, Educational / Hobbyist Platform.
Consumer Appliance Control
The PIC16F883-I/ML fits consumer appliance controllers (coffee machines, washing-machine sub-boards, microwave keypads, small kitchen appliances) where 25 I/O pins drive segment LEDs, key matrices, triac-driven heaters, and buzzer PWM. Its 20 MHz core handles FSM control plus time-multiplexed display scanning, and the 7 KB flash is enough for menu logic, fault handling, and EEPROM-stored user preferences. The 14-channel 10-bit ADC reads NTC temperature sensors and mains-voltage zero-cross detectors without external signal conditioning. nanoWatt sleep drops standby current below 100 uA so Energy Star idle rules are met.
Recommandé
Battery-Powered Sensor Hub
In battery-powered sensor hubs (wireless thermostats, environmental monitors, IoT edge nodes), the PIC16F883-I/ML acts as the always-on controller that wakes on interrupt, samples I2C sensors through its MSSP port, and forwards results to a co-processor over EUSART. The 2.0 V minimum VDD lets the design run from a single CR2032 or 2x AA down to end-of-life, and nanoWatt sleep currents under 1 uA extend battery life to multi-year levels. The 25 I/O give plenty of headroom for indicator LEDs, pushbuttons, and a wake-up accelerometer interrupt without external glue logic.
Recommandé
LED Lighting Controller
The PIC16F883-I/ML drives mid-power LED lighting fixtures where its enhanced CCP module produces a 10-bit PWM at up to 20 kHz, well above the flicker-fusion threshold and inside the analog dimming band. The 5-bit on-chip DAC plus two comparators enable constant-current regulation by modulating the PWM duty cycle against a sense-resistor feedback - no external op-amp required. The 14 ADC channels can read multiple RGB+W channels and a thermistor for thermal foldback, while 25 I/O lines manage DMX-style address switches and status LEDs in architectural installations.
Recommandé
Automotive Body Electronics
In non-safety automotive body modules (window switches, seat controllers, mirror adjusters, HVAC panel boards) the PIC16F883-I/ML supplies 25 I/O for switch matrix scanning, relay drivers, and LIN/EUSART comms. Its -40C to +85C industrial range meets cabin temperature requirements, while the 14-channel ADC monitors rheostat dimmers and position-feedback pots. nanoWalt sleep below 1 uA is critical for quiescent-current budgets on body-control ECUs. Note: PIC16F88x parts are not AEC-Q100 qualified, so for safety-relevant or under-hood designs migrate to PIC16F1xxx or dsPIC variants.
Recommandé
Industrial Control Panel
The PIC16F883-I/ML sits in industrial control panels (small PLCs, HMI pushbutton boards, motor starters, instrumentation front-ends) where its enhanced USART connects to an HMI display or Modbus RTU master while the MSSP links to SPI ADC or DAC chips. The 25 I/O drive status LEDs, keypads, and 24 V optically-isolated inputs through resistor dividers. The 28-QFN footprint keeps the panel board small enough for DIN-rail enclosures, and the -40C to +85C range covers factory-floor temperature swings. Self-programming lets field firmware updates run over the panel's own UART without opening the enclosure.
Recommandé
Educational / Hobbyist Platform
The PIC16F883-I/ML is a popular choice for education and hobby projects because only 35 single-word instructions must be learned, MPLAB X IDE and the XC8 compiler are free, and the PICkit 3/4 starter kits debug at 5 V with no external power supply. The 25 I/O plus 14 ADC inputs expose students to digital I/O, PWM, ADC, I2C, SPI, and UART in a single chip. The 7 KB flash fits moderate C projects, and the 28-QFN breakout boards sold by hobby vendors make hand-soldering accessible for learners transitioning from PDIP PICs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16F883-I/ML — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16F882-I/ML | PIC16F886-I/ML | PIC16F884-I/ML | PIC16F883-I/SP | PIC16F883-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | QFN-28 (6x6) | QFN-28 (6x6) - same | QFN-28 (6x6) - same | QFN-28 (6x6) - same | SPDIP-28 - pin-equivalent, through-hole | SOIC-28 - pin-equivalent, wide SO |
| Program Flash | 7 KB | 3.5 KB | 14 KB | 7 KB | 7 KB | 7 KB |
| RAM | 256 B | 128 B | 368 B | 256 B | 256 B | 256 B |
| EEPROM | 256 B | 128 B | 256 B | 256 B | 256 B | 256 B |
| Maximum Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| I/O Pins | 25 | 25 | 25 | 25 (28-QFN variant) | 25 | 25 |
| ADC Channels | 14 x 10-bit | 11 x 10-bit | 11 x 10-bit | 14 x 10-bit | 14 x 10-bit | 14 x 10-bit |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principaux différenciateurs
- More ADC channels than lower-tier PIC16F88x siblings (vs PIC16F882-I/ML)
- Half the flash of the PIC16F886, useful when code barely fits 7 KB (vs PIC16F886-I/ML)
- Pin-compatible QFN with PIC16F884 for upgrade to 40/44-pin family (vs PIC16F884-I/ML)
Notes de conception
The 28-pin QFN (6x6) has a center exposed thermal pad that MUST be soldered to a PCB pad tied to VSS for mechanical reliability and thermal dissipation. Per Microchip QFN handling guidelines (DS41291 section 'Package Marking'), failure to solder the thermal pad risks board-flex fractures and reduced thermal performance. Place a via-array under the pad to ground and flood the top layer with ground copper to spread heat. Keep high-speed traces (USART, MSSP clock) at least 5x trace-width away from analog ADC traces to minimize crosstalk.
Place a 100 nF ceramic decoupling capacitor as close as possible to VDD (pin 11) and a bulk 10 uF tantalum or ceramic at the board's power entry. nanoWalt sleep currents are sensitive to VDD ripple; per the PIC16F88x datasheet, a noisy supply raises sleep current from under 1 uA to tens of microamps. For battery applications, add a 100 kohm + 100 nF RC on MCLR/VPP to prevent spurious resets, and tie unused I/O to defined logic levels (not floating) to avoid shoot-through current.
Three common pitfalls with the PIC16F883-I/ML: (1) Do not connect RC3/RC4 to I2C without 4.7 kohm pull-ups - the MSSP open-drain outputs require external pull-ups for reliable I2C; (2) When using the internal oscillator, ensure OSCCON is locked before timing-critical peripherals to avoid drift on first power-up; (3) The ICSP pins RB6/RB7 cannot be repurposed as plain GPIO in LVP mode - use high-voltage programming in production or ensure firmware never drives these pins as outputs during reset. Refer to Microchip's PICkit 3 baseline tool note for further debug-pin caveats.
Keep the analog VREF+ rail (RA3) star-routed with a 10 uF + 100 nF decoupling pair, and avoid running digital return currents under the analog section. For ADC accuracy better than 8 ENOB, drive the ADC from a low-impedance source (op-amp buffer such as MCP6002) and average 16+ samples. Place the 32.768 kHz crystal (if used for Timer1) within 1 cm of the MCU with a guard ground to keep noise out of the timebase.
Informations de conformité
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - use PIC16F1xxx/dsPIC automotive parts for AEC-Q100 designs. Lead-free matte-tin finish per Microchip package marking note. Halogen-free status not explicitly stated on the verified product page.
