PIC16F873A-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16F873A-I/SO is an 8-bit PIC16 microcontroller running up to 20MHz with integrated ADC, operating from 4V to 5.5V supply. It comes in a 28-pin SOIC package with rich peripherals suited for embedded control. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16F873A-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 core at up to 20MHz with integrated ADC for on-chip analog signal acquisition
- Wide 4V–5.5V supply range enables direct use with standard 5V systems and regulated 4V battery packs
- 28-pin SOIC package with hardware UART, SPI, and I2C peripherals for diverse communication needs
Applications
The PIC16F873A-I/SO is a proven choice for industrial control panels, home automation modules, and smart sensor nodes that require reliable 8-bit processing with on-chip ADC conversion. Its 20MHz CPU and rich peripheral set make it effective for motor control, HVAC monitoring, and energy metering applications. The SOIC-28 footprint simplifies PCB layout for medium-density designs where through-hole alternatives are no longer preferred.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 6Weeks |
| Date Of Intro | 1998-12-01 |
| YTEOL | 3 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 4 V MINIMUM SUPPLY |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 20MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 22 |
| Number of Timers | 3 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 14 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 192 |
| RAM (words) | 192 |
| ROM (words) | 4096 |
| ROM Programmability | FLASH |
| Speed | 20MHz |
| Supply Current-Max | 15mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| 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 | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F873A-I/SO:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDSO28
Frequently Asked Questions
What is the CPU speed and architecture of the PIC16F873A-I/SO?
The PIC16F873A-I/SO features an 8-bit PIC16 RISC CPU operating at up to 20MHz clock frequency, delivering up to 5 MIPS throughput for control-intensive embedded applications.
Does the PIC16F873A-I/SO include an analog-to-digital converter?
Yes, the PIC16F873A-I/SO includes an integrated ADC, allowing direct digitization of analog sensor signals without requiring an external ADC, reducing system cost and component count in measurement and control designs.
What is the supply voltage range for the PIC16F873A-I/SO?
The PIC16F873A-I/SO operates from a minimum supply of 4V up to 5.5V, making it compatible with standard 5V regulated power supplies commonly used in industrial and consumer embedded systems.
What package and pin count does the PIC16F873A-I/SO use?
The PIC16F873A-I/SO is packaged in a 28-pin SOIC (Small Outline IC) corresponding to the manufacturer package code SOIC-28, offering a compact surface-mount format that is easy to solder and compatible with automated assembly.
What communication interfaces are available on the PIC16F873A-I/SO?
The PIC16F873A-I/SO provides hardware support for USART serial communication, SPI, and I2C (via the MSSP module), enabling straightforward connectivity with sensors, displays, EEPROMs, and other MCUs or host processors.
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