PIC16F873-04/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16F873-04/SO is an 8-bit PIC microcontroller running up to 4 MHz with integrated ADC, Flash program memory, and EEPROM data storage in a 28-pin SOIC package. Available in stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F873-04/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3850(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 CPU core running at up to 4 MHz for reliable low-speed control applications
- Integrated ADC enabling direct analog sensor sampling without external converter hardware
- 28-pin SOIC package with on-chip Flash and EEPROM for cost-effective embedded control designs
Applications
The PIC16F873-04/SO is suited for low-speed embedded control applications such as home appliance controllers, industrial sensor interfaces, and simple motor control systems running from 4 MHz clock. Its integrated ADC allows direct connection to analog sensors like thermistors, potentiometers, and pressure transducers without external circuitry. The 28-pin SOIC package and on-chip Flash memory make it a cost-effective choice for high-volume consumer and industrial products.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Date Of Intro | 1998-12-01 |
| YTEOL | 3 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 4MHz |
| 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,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 250 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 192 |
| RAM (words) | 192 |
| ROM (words) | 4096 |
| ROM Programmability | FLASH |
| Speed | 4MHz |
| Supply Current-Max | 5mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| 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 PIC16F873-04/SO:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 4MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 4MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 4MHz, CMOS, PDSO28
Frequently Asked Questions
What is the maximum clock frequency of the PIC16F873-04/SO and how does it affect processing throughput?
The PIC16F873-04/SO operates at a maximum clock frequency of 4 MHz, executing most instructions in 1 µs (one instruction per clock cycle for single-cycle instructions). This throughput is sufficient for sensor polling loops, state machine control, and serial communication protocols like UART at 9600 baud or I2C at 100 kHz.
Does the PIC16F873-04/SO include an ADC, and how many analog inputs does it support?
Yes, the PIC16F873-04/SO includes an integrated ADC with up to 5 analog input channels, enabling direct measurement of analog signals from sensors such as thermistors, light sensors, or potentiometers. This eliminates the need for an external ADC IC, reducing component count and BOM cost in sensor-based designs.
For a legacy industrial control project, why might PIC16F873-04/SO still be chosen over a newer microcontroller?
PIC16F873-04/SO has been in production since 1998 and remains widely available, making it ideal for long-lifecycle industrial equipment that requires exact drop-in replacements for field repairs. Its proven 4 MHz 8-bit architecture, mature toolchain support, and 28-pin SOIC footprint ensure backward compatibility without hardware or firmware redesign.
What non-volatile memory does the PIC16F873-04/SO provide for firmware and data storage?
The PIC16F873-04/SO integrates Flash program memory for firmware storage and a separate EEPROM data memory for non-volatile parameter storage, allowing the device to retain calibration values, configuration settings, or counters through power cycles without external memory ICs, reducing system cost and PCB complexity.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.3850 | $2.38 |
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