PIC18F1320T-I/SO - 8-bit 40MHz 8KB Flash MCU 18-SOIC | Microchip
Référence : PIC18F1320T-I/SO ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.78 | $6,78 |
| 10 | $6.1 | $61,00 |
| 100 | $5.42 | $542,00 |
| 500 | $4.78 | $2 390,00 |
| 1 000 | $4.21 | $4 210,00 |
PIC18F1320T-I/SO Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program storage, SRAM for data, and EEPROM for non-volatile data), and programmable peripherals on one IC. PIC18F devices are 8-bit RISC microcontrollers from Microchip that target cost-sensitive embedded designs requiring strong arithmetic performance and abundant I/O. As a member of the PIC18 family, the PIC18F1320 sits within the broader taxonomy of microcontroller -> embedded controller -> semiconductor device, serving applications that need deterministic real-time control with simple programming tools (MPLAB X IDE, XC8 compiler).
Key features of the PIC18F1320 include a wide operating voltage range of 2.0 V to 5.5 V, nanoWatt Technology with six software-controlled power-managed modes, standby current as low as 0.1 microamp, enhanced Flash program memory with self-programmability, and a 10-bit A/D converter for analog signal acquisition. The device also includes a USART, MSSP (SPI/I2C), timers, and capture/compare/PWM (ECCP) peripherals. Industrial (-40C to +85C) temperature range operation and an internal oscillator option reduce external component count.
Architecturally, the PIC18F1320 uses a 16-bit program word width (versus 12-bit in baseline PIC16), enabling a richer instruction set and C-friendly code density. The Harvard architecture separates program and data buses for deterministic single-cycle instruction execution (~200 ns at 10 MHz, ~100 ns at 40 MHz with 4x PLL). nanoWalt Technology allows software-driven transitions between Run, Idle, Sleep, and low-power modes to optimize battery life.
Typical applications include small consumer appliances, sensor signal conditioning, low-end motor control, LED lighting, battery-powered instrumentation, white goods, and industrial control subsystems. The 18-SOIC package balances compactness with hand-solder-friendly lead pitch for prototypes and small production runs.
When designing with this part, consider that the 'T' suffix denotes tape-and-reel packaging for high-volume assembly while sharing the same die as the standard PIC18F1320-I/SO. Ensure that your development toolchain (MPLAB X IDE plus XC8 compiler) supports this specific device family revision, and provision a decoupling capacitor array (100 nF plus 10 uF bulk) close to VDD/VSS pins.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers rapidly assess PIC18F1320T-I/SO for new designs and pin-compatible replacements.
Alternatives de remplacement direct pour PIC18F1320T-I/SO — 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 PIC18F1320T-I/SO (même facteur de forme et même empreinte) — différant par Package, Program Memory (Flash), ADC, Core, Core Architecture.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC18F1320-I/SO
✅ Remplacement direct✓ En stock
$2.85 / unité
Voir la fiche technique →PIC18F1220T-I/SO
✓ En stock
$1.54 / unité
Voir la fiche technique →PIC18F1230T-I/SO
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC18F1330T-I/SO
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$2.15 / unité
Voir la fiche technique →PIC18F1320T-I/SO Valeurs maximales et caractéristiques électriques
| Series | PIC 18F |
| Core Processor | PIC |
| Core Size | 8-bit |
| Max CPU Speed | 40 MHz |
| Program Memory Size | 8 KB (4K x 16) |
| Program Memory Type | FLASH |
| RAM Size | 256 bytes |
| EEPROM Size | 256 bytes |
| Number of I/O | 16 |
| A/D Converter | 10-bit, 7 channels |
| Supply Voltage Range | 2.0 V to 5.5 V |
| Température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier | 18-pin SOIC (SO) |
| Type de montage | Surface Mount |
| Connectivity | UART, SPI, I2C (MSSP) |
| Peripherals | Brown-out Detect, PWM, WDT |
| Oscillator Type | Internal + External |
| Data Converters | 10-bit A/D |
| Niveau MSL | 1 (per JEDEC J-STD-020) |
| Statut RoHS | Compliant |
Configuration des broches de PIC18F1320T-I/SO
| Broche 1 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| Broche 2 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| Broche 3 | RA2/AN2/VREF- — Digital I/O / Analog input channel 2 / ADC VREF- |
| Broche 4 | RA3/AN3/VREF+ — Digital I/O / Analog input channel 3 / ADC VREF+ |
| Broche 5 | RA4/AN4 — Digital I/O / Analog input channel 4 (open-drain) |
| Broche 6 | RA5/AN5/SS — Digital I/O / Analog input channel 5 / SPI slave select |
| Broche 7 | VSS — Ground reference |
| Broche 8 | OSC1/RA7 — Crystal oscillator input / Digital I/O |
| Broche 9 | OSC2/RA6 — Crystal oscillator output / Digital I/O |
| Broche 10 | RC0/T1CKI — Digital I/O / Timer1 clock input |
| Broche 11 | RC1/CCP2 — Digital I/O / Capture/Compare/PWM 2 |
| Broche 12 | RC2/CCP1/P1A — Digital I/O / Capture/Compare/PWM 1 |
| Broche 13 | RC3/SCK/SCL — Digital I/O / SPI clock / I2C clock |
| Broche 14 | RC4/SDI/SDA — Digital I/O / SPI data in / I2C data |
| Broche 15 | RC5/SDO — Digital I/O / SPI data out |
| Broche 16 | RC6/TX/CK — Digital I/O / USART transmit / clock |
| Broche 17 | RC7/RX/DT — Digital I/O / USART receive / data |
| Broche 18 | VDD — Positive supply voltage |
Applications typiques
PIC18F1320T-I/SO convient pour 6 applications: Consumer Appliance Control, Industrial Sensor Interface, LED Lighting Controllers, Battery-Powered Instrumentation, HVAC Fan Motor Control, IoT Edge Sensor Nodes.
Consumer Appliance Control
The PIC18F1320T-I/SO fits consumer appliance control applications due to its 8 KB Flash, 16 GPIO, and 7-channel 10-bit ADC that comfortably handle sensor multiplexing and user-interface keypads. Its 2.0 V to 5.5 V operating range supports both 3.3 V logic and legacy 5 V relay drivers common in white goods. With nanoWalt Technology delivering 0.1 microamp standby, battery-backed appliances like smoke detectors and remote thermostats benefit from years of operation on a single cell. Compared with PIC16F alternatives, the PIC18F1320's 16-bit instruction word yields faster interrupt latency critical for real-time load control. Place a 100 nF decoupling capacitor adjacent to VDD/VSS pins on the PCB.
Recommandé
Industrial Sensor Interface
The PIC18F1320T-I/SO suits industrial sensor interface modules with its 10-bit ADC handling analog inputs from RTDs, thermistors, and 4-20 mA loops. Its USART and MSSP peripherals provide simultaneous connectivity to RS-485 transceivers and SPI sensors, while the 16 GPIO drive status LEDs and digital outputs without external expanders. Industrial temperature range (-40C to +85C) and ECCP module support PWM outputs for proportional valve control. Compared with PIC16F devices, the PIC18F1320's 8 KB Flash supports Modbus RTU protocol stacks with margin. Design considerations include TVS protection on analog inputs and isolated RS-485 transceivers for factory-floor robustness.
Recommandé
LED Lighting Controllers
The PIC18F1320T-I/SO drives LED lighting controllers via its ECCP module that generates high-resolution PWM dimming signals. With 7-channel 10-bit ADC, the MCU samples ambient light sensors, occupancy detectors, and potentiometers to implement daylight harvesting and color-mixing algorithms. The 2.0-5.5 V supply range accommodates single-cell Li-ion or USB-powered smart bulbs directly. nanoWalt Technology enables deep sleep modes during standby, extending battery life in portable fixtures. Compared with PIC16F1823, the PIC18F1320 offers 8 KB Flash for advanced DMX-512 or DALI protocol stacks. Add a 10 uF bulk capacitor on the VDD rail to handle PWM inrush currents.
Recommandé
Battery-Powered Instrumentation
The PIC18F1320T-I/SO is engineered for battery-powered instrumentation, with nanoWatt Technology delivering standby current as low as 0.1 microamp. Its 2.0 V minimum supply voltage permits operation down to single Li-ion cell end-of-discharge, maximizing usable capacity. The 7-channel 10-bit ADC digitizes sensor signals while 8 KB Flash holds calibration tables and runtime libraries. Compared with PIC24F devices, the PIC18F1320 consumes less active current at equivalent throughput, ideal for handheld multimeters and portable data loggers. Use the internal 8 MHz oscillator to eliminate external crystals and further reduce BOM. Include a low-leakage MCP1700 LDO for stable regulation.
Recommandé
HVAC Fan Motor Control
The PIC18F1320T-I/SO controls HVAC fans via ECCP PWM outputs that drive MOSFET gate drivers for variable-speed brushless DC motors. Its 7-channel 10-bit ADC samples motor current, temperature sensors, and tachometer feedback for closed-loop speed regulation. The wide 2.0-5.5 V operating voltage tolerates rectified mains rails, while the industrial -40C to +85C temperature grade ensures operation in unconditioned equipment rooms. Compared with PIC16F devices, the PIC18F1320's interrupt latency and 8 KB Flash support sensorless back-EMF commutation algorithms. PCB layout should isolate analog ground from high-current switching returns.
Recommandé
IoT Edge Sensor Nodes
The PIC18F1320T-I/SO powers IoT edge sensor nodes that bridge analog field sensors to digital wireless modules. Its USART talks to sub-GHz transceivers or Wi-Fi/BLE modules, while the MSSP handles I2C sensors like accelerometers and environmental ICs. The 8 KB Flash accommodates lightweight TLS stacks or LoRaWAN device drivers. nanoWalt Technology wakes the MCU on interrupt, sleeps at 0.1 microamp, and maximizes coin-cell battery life in remote deployments. Compared with Cortex-M0+ alternatives, the PIC18F1320 offers simpler tooling (MPLAB X) and lower BOM cost for high-volume sensor products. Add an external 32.768 kHz crystal for RTC accuracy in time-stamped telemetry.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC18F1320T-I/SO — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC18F1320-I/SO | PIC18F1220T-I/SO | PIC18F1230T-I/SO | PIC18F1330T-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same |
| Program Memory | 8 KB Flash | 8 KB Flash | 8 KB Flash | 4 KB Flash | 8 KB Flash |
| Max CPU Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| RAM Size | 256 bytes | 256 bytes | 256 bytes | 128 bytes | 256 bytes |
| Number of I/O | 16 | 16 | 16 | 16 | 16 |
| A/D Converter | 10-bit, 7 channels | 10-bit, 7 channels | 10-bit, 7 channels | 10-bit, 7 channels | 10-bit, 7 channels |
| Supply Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principaux différenciateurs
- Same die as PIC18F1320-I/SO with tape-and-reel packaging (vs PIC18F1320-I/SO)
- Larger Flash and richer peripherals vs PIC18F1220 (vs PIC18F1220T-I/SO)
- Cost-down option with reduced Flash for memory-constrained apps (vs PIC18F1230T-I/SO)
Notes de conception
Place a 100 nF ceramic decoupling capacitor within 5 mm of the VDD pin (pin 18) and a 10 uF bulk capacitor on the same net to suppress switching transients from the internal oscillator and digital I/O toggling. nanoWalt Technology enables standby current as low as 0.1 microamp, but only if the Sleep command is issued correctly and all peripherals are disabled. For battery-powered designs, route unused pins as outputs driving low to minimize phantom current through floating inputs.
The 18-SOIC package has a 1.27 mm (50 mil) lead pitch suitable for hand soldering and standard SMT reflow. Maintain a copper keep-out under the device body and route analog inputs (RA0-RA5) away from high-current switching traces to avoid ADC noise injection. Use a single ground pour with separate analog and digital return paths that join at the VSS pin to avoid ground loops that degrade ADC accuracy by 1-2 LSB.
Configuration bits (CONFIG register) must be programmed correctly or the device may fail to start. Ensure the oscillator selection (HS, XT, EC, INTOSC) matches your hardware, and that the watchdog timer is either disabled or serviced in firmware. The PIC18F1320 uses 16-bit Flash words, so erase granularity is 64 bytes minimum; account for this when implementing bootloaders. Finally, the ICSP pins RB6/PGC and RB7/PGD must not be loaded with capacitances above the datasheet limit during in-circuit programming.
Informations de conformité
RoHS and REACH compliance confirmed per Microchip product documentation. Industrial temperature grade -40C to +85C. AEC-Q100 automotive qualification not applicable - choose PIC18F1320T-I/SO for industrial/consumer, contact Microchip for AEC-Q100-grade automotive PIC18 alternatives.