PIC18F1320-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC18F1320-I/SO is an 8-bit PIC18 microcontroller operating at up to 40 MHz, featuring integrated ADC and hardware multiply in an 18-pin SOIC package. It offers 8 KB Flash, 256-byte EEPROM, and USART plus SPI/I2C peripherals for embedded control tasks. Available from stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 18
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F1320-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.8100(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 40 MHz PIC18 Enhanced core with hardware multiply accelerates math-intensive 8-bit control algorithms
- Integrated 10-bit ADC, USART, SPI, and I2C reduce external component count in compact 18-pin SOIC footprint
- 8 KB Flash and 256-byte EEPROM provide ample code and non-volatile data storage for mid-range embedded applications
Applications
The PIC18F1320-I/SO targets mid-range embedded control systems including industrial sensor interfaces, consumer appliance controllers, and automotive accessory modules requiring 40 MHz processing performance in a small 18-pin SOIC footprint. Its hardware multiply and 10-bit ADC enable signal processing tasks such as PID temperature control and waveform generation with minimal firmware overhead. The SOIC-18 package supports both manual prototyping and high-volume automated SMT production for cost-effective embedded designs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-18 |
| Factory Lead Time | 5Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G18 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 16 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP18,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 256 |
| RAM (words) | 256 |
| ROM (words) | 8192 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 15mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.2V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F1320-I/SO:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDSO18
RISC Microcontroller, 8-Bit, FLASH, PIC CPU, 40MHz, CMOS, PDSO18
Frequently Asked Questions
What processing speed and memory does the PIC18F1320-I/SO provide for control applications?
The PIC18F1320-I/SO runs at 40 MHz using its PIC18 Enhanced core with hardware multiply, delivering up to 10 MIPS effective throughput. It includes 8 KB of self-programmable Flash for program storage, 512 bytes of SRAM for variables, and 256 bytes of EEPROM for non-volatile parameter storage without external memory chips.
Which serial interfaces are available on the PIC18F1320-I/SO for sensor communication?
The PIC18F1320-I/SO integrates USART supporting RS-232 and RS-485 up to 2.5 Mbaud, an SPI master/slave interface for high-speed peripheral data exchange, and I2C for connecting multiple sensors on a shared 2-wire bus. Combined with the 10-bit ADC providing multiple analog input channels, these interfaces cover most common sensor types in embedded systems.
How does PIC18F1320-I/SO performance compare to PIC16F parts for motor control tasks requiring trigonometric calculations?
The PIC18F1320-I/SO's hardware 8x8 multiply executes integer multiplication in a single instruction cycle at 40 MHz, completing fixed-point sine table lookups and PID arithmetic 4 to 8 times faster than PIC16 cores without hardware multiply that require software multi-cycle routines. For FOC motor control requiring PWM updates every 50 µs, this throughput advantage is decisive in 8-bit MCU selection.
For a 5 V industrial panel meter, what makes PIC18F1320-I/SO a cost-effective choice over a 32-bit MCU?
A panel meter reading 4 to 8 analog channels at 10-bit resolution, computing averages, and driving a 7-segment display over SPI does not require 32-bit performance — the PIC18F1320-I/SO at 40 MHz handles all tasks with 30% CPU headroom. At roughly one-third the unit cost of entry-level 32-bit ARM Cortex-M0 devices in equivalent packaging, PIC18F1320-I/SO reduces BOM cost in high-volume production runs while meeting the 5 V supply voltage requirement without level shifters.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.5251 | $3.53 |
| 70+ | $3.3300 | $233.10 |
| 100+ | $3.2100 | $321.00 |
| 1000+ | $2.9600 | $2960.00 |
| 5000+ | $2.8100 | $14050.00 |
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