PIC16F872-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16F872-I/SO is an 8-bit Flash microcontroller with 20 MHz max clock, integrated 10-bit ADC, and 28-pin SOIC package. It offers 3.5 KB of Flash memory, 128 bytes of RAM, and SPI/I2C/USART peripherals for versatile connectivity. Available in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16F872-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.3300(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
- 8-bit PIC16 Flash microcontroller running at up to 20 MHz for responsive embedded control applications
- Integrated 5-channel 10-bit ADC enabling direct analog sensor acquisition without external converters
- SPI, I2C, and USART communication interfaces onboard supporting multi-protocol sensor and host connectivity
- 3.5 KB of reprogrammable Flash program memory plus 128 bytes RAM for flexible firmware updates in the field
- 28-pin SOIC-28 package with 1.27 mm pitch for compact SMT assembly in space-constrained designs
Applications
The PIC16F872-I/SO is widely used in industrial sensor nodes, data loggers, and motor-drive controllers where its 10-bit ADC and 20 MHz clock handle real-time analog measurements efficiently. Its combination of SPI, I2C, and USART peripherals makes it suitable for embedded systems requiring simultaneous communication with displays, EEPROMs, and host processors. The 28-pin SOIC form factor fits consumer appliance control boards, HVAC systems, and low-cost automation modules.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 5Weeks |
| Date Of Intro | 1999-12-02 |
| YTEOL | 3 |
| Has ADC | YES |
| 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 Serial I/Os | 1 |
| Number of Timers | 5 |
| 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) | 128 |
| ROM (words) | 2048 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 20MHz |
| Supply Current-Max | 15mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4V |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| 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 PIC16F872-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
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDSO28
Frequently Asked Questions
What ADC resolution and channel count does the PIC16F872-I/SO provide for analog sensor designs?
The PIC16F872-I/SO integrates a 5-channel 10-bit ADC, delivering 1024 discrete voltage levels across its full-scale input range. This resolution is sufficient for temperature sensors, potentiometers, and pressure transducers operating on a 5 V supply, eliminating the need for external analog-to-digital converter ICs in most low-bandwidth measurement applications.
Which serial interfaces does PIC16F872-I/SO support, and how do they affect system integration?
The PIC16F872-I/SO supports SPI (up to 5 Mbit/s), I2C (up to 400 kHz), and a full-duplex USART for asynchronous serial communication. Having all three interfaces on a single 8-bit microcontroller simplifies designs that need to talk to an SPI Flash chip, an I2C sensor, and a UART debug port simultaneously, reducing external glue logic.
When would PIC16F872-I/SO be preferred over PIC16F876A in a cost-sensitive design?
PIC16F872-I/SO is a lower-pin-count, lower-cost alternative when your design requires fewer than 22 I/O pins and 3.5 KB of Flash is sufficient, compared to the PIC16F876A which offers 28-pin I/O count with 14 KB Flash. Choosing the -F872 can cut unit BOM cost for high-volume simple sensor nodes running at up to 20 MHz on a 2 V to 5.5 V supply.
What board space does the SOIC-28 package of PIC16F872-I/SO occupy on a PCB?
The PIC16F872-I/SO SOIC-28 package measures approximately 17.9 mm x 7.5 mm with 28 pins on a 1.27 mm pitch. This footprint allows dense SMT placement in compact controller boards, and the package is compatible with standard reflow soldering profiles making it suitable for automated assembly lines processing boards at up to 260 °C peak temperature.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.0000 | $4.00 |
| 75+ | $3.9900 | $299.25 |
| 100+ | $3.6500 | $365.00 |
| 1000+ | $3.4300 | $3430.00 |
| 5000+ | $3.3300 | $16650.00 |
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