PIC16C73A-04/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16C73A-04/SO is an 8-bit PIC microcontroller with 4 KB EPROM, 4 MHz clock, integrated 8-channel ADC, and 28-pin SOIC package for embedded control applications. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC16C73A-04/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.0900(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC16C73A-04/SO?
- 8-bit PIC16 RISC core running at up to 4 MHz with 4K x 14-word EPROM program memory for cost-sensitive embedded designs
- Integrated 8-channel 8-bit ADC enabling direct sensor interfacing without external analog-to-digital conversion circuitry
- 28-pin SOIC package with SPI, I2C, and USART peripherals supporting a wide supply range for industrial and consumer control applications
What is PIC16C73A-04/SO used for?
The PIC16C73A-04/SO is well-suited for simple industrial control panels, sensor data acquisition units, and appliance control boards that require a compact 8-bit microcontroller with on-chip ADC. Its 28-pin SOIC footprint and proven PIC16 instruction set make it a reliable choice for legacy designs, motor speed controllers, and low-cost consumer electronics where firmware complexity is moderate.
What are the specifications of PIC16C73A-04/SO?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Date Of Intro | 1990-01-01 |
| 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 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 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 192 |
| ROM (words) | 4096 |
| ROM Programmability | OTPROM |
| Speed | 20MHz |
| Supply Current-Max | 5mA |
| Supply Voltage-Max | 6V |
| 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 |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Where can I find the PIC16C73A-04/SO datasheet?
PIC16C73A-04/SO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16C73A-04/SO?
Compatible alternatives and drop-in replacements for PIC16C73A-04/SO:
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 20MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 20MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 20MHz, CMOS, PDSO28
Frequently Asked Questions
What program memory capacity and CPU speed does the PIC16C73A-04/SO provide for embedded firmware?
The PIC16C73A-04/SO includes 4K x 14-word EPROM program memory and a maximum clock frequency of 4 MHz. This capacity is sufficient for moderate control firmware, lookup tables, and communication protocol stacks in cost-sensitive 8-bit embedded applications requiring up to 4 MHz performance.
How many ADC channels does the PIC16C73A-04/SO integrate and what resolution do they offer?
The PIC16C73A-04/SO integrates an 8-channel, 8-bit successive-approximation ADC, allowing direct connection of up to 8 analog sensors without any external converter IC. This makes it ideal for temperature monitoring, light sensing, and potentiometer-based control systems requiring moderate 8-bit resolution.
In which legacy or cost-constrained designs does the PIC16C73A-04/SO remain a practical microcontroller choice?
The PIC16C73A-04/SO suits legacy industrial control and consumer appliance boards originally designed around the PIC16C7x family. With 4 MHz operation, 28-pin SOIC packaging, on-chip USART, SPI, and 8 ADC inputs, it covers a wide range of simple control tasks without migrating to a newer Flash-based device, reducing redesign cost.
What serial communication peripherals are available on the PIC16C73A-04/SO and how do they benefit system integration?
The PIC16C73A-04/SO provides USART, SPI (synchronous serial), and I2C-compatible communication interfaces. These 3 serial ports allow the chip to connect to sensors, EEPROMs, displays, and host processors on standard 2-wire or 3-wire buses, simplifying PCB routing on compact 28-pin SOIC-based boards.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.5600 | $8.56 |
| 54+ | $8.0400 | $434.16 |
| 100+ | $7.8100 | $781.00 |
| 1000+ | $7.3600 | $7360.00 |
| 5000+ | $7.0900 | $35450.00 |
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