PIC16F73-I/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC16F73-I/SP is an 8-bit PIC CMOS Flash microcontroller running at up to 20 MHz with integrated 8-channel 8-bit ADC and SPI/I2C/USART peripherals in a 28-pin SPDIP package, suitable for cost-effective embedded control designs.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F73-I/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.7375(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC16F73-I/SP?
- 8-bit PIC16 CMOS Flash architecture clocked at up to 20 MHz with 4 MIPS single-cycle instruction throughput
- 8-channel 8-bit ADC for direct analog signal acquisition without external conversion circuitry
- Integrated SPI, I2C, and USART serial interfaces enabling flexible multi-peripheral communication on a single chip
- 28-pin SPDIP through-hole package for easy prototyping and breadboard-friendly development
What is PIC16F73-I/SP used for?
The PIC16F73-I/SP is a cost-effective choice for industrial control panels, home appliance controllers, and educational microcontroller projects where through-hole assembly and broad tool support are priorities. Its 8-channel ADC simplifies data acquisition from temperature, pressure, and position sensors, while the built-in USART and SPI interfaces allow direct connection to displays, wireless modules, and EEPROMs. The familiar 28-pin DIP form factor makes it straightforward to prototype on standard breadboards and transition to low-volume production.
What are the specifications of PIC16F73-I/SP?
| Pbfree Code | Yes |
| Manufacturer Package Code | SPDIP-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| 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-PDIP-T28 |
| 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 | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 192 |
| ROM (words) | 7168 |
| ROM Programmability | FLASH |
| Speed | 20MHz |
| Supply Current-Max | 15mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC16F73-I/SP Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Where can I find the PIC16F73-I/SP datasheet?
PIC16F73-I/SP Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16F73-I/SP?
Compatible alternatives and drop-in replacements for PIC16F73-I/SP:
Frequently Asked Questions
How fast can PIC16F73-I/SP execute instructions, and is this sufficient for real-time sensor logging at 1 kHz?
At its maximum 20 MHz clock, PIC16F73-I/SP achieves up to 5 MIPS with single-cycle instruction execution. This comfortably supports 1 kHz sensor sampling loops, PWM generation, and USART communication at 115200 baud simultaneously, leaving substantial headroom for data processing and protocol overhead in most embedded control applications.
What analog measurement capability does PIC16F73-I/SP provide without adding external components?
PIC16F73-I/SP integrates an 8-channel 8-bit ADC directly on chip, allowing direct connection of up to 8 analog sensors such as thermistors, potentiometers, or photodiodes to the 28-pin package. The ADC reference can be tied to VDD (2.0 V to 5.5 V), giving a resolution of approximately 20 mV per LSB at 5 V supply.
For a legacy industrial retrofit project, why might an engineer select PIC16F73-I/SP over a surface-mount alternative?
The 28-pin SPDIP through-hole package of PIC16F73-I/SP allows hand soldering and socketed installation, making field replacement straightforward without hot-air rework equipment. Legacy PCBs with 2.54 mm through-hole pads accept the DIP footprint directly, reducing redesign cost while retaining 20 MHz performance and 5 V logic compatibility with existing industrial circuitry.
How does PIC16F73-I/SP supply voltage tolerance compare to 3.3 V-only microcontrollers when powering 5 V sensors?
PIC16F73-I/SP operates from 2.0 V to 5.5 V, meaning it can run directly at 5 V alongside legacy 5 V sensors and relays without level-shifting circuitry. Many modern MCUs are limited to 3.6 V, requiring external translators that add component count, latency, and PCB area when interfacing to 5 V industrial sensors.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.8500 | $4.85 |
| 240+ | $4.7375 | $1137.00 |
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