PIC16F84A-20/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
PIC16F84A-20/SO is an 8-bit PIC16 RISC microcontroller running up to 20 MHz with 1 KB Flash and 68 bytes RAM in an 18-pin SOIC package for simple embedded control and educational applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 18
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F84A-20/SO Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 RISC core operating at up to 20 MHz for low-complexity control tasks in cost-sensitive designs
- 18-pin SOIC-18 package enabling compact PCB layout and easy hand-soldering for prototyping and educational projects
- Flash program memory supporting in-circuit serial programming (ICSP) for fast firmware updates without chip removal
Applications
The PIC16F84A-20/SO is a classic 8-bit microcontroller widely used in educational kits, simple automation controllers, and low-cost embedded gadgets. Its 18-pin SOIC package and 20 MHz operating speed make it accessible for hobbyists and engineers prototyping basic I/O control, LED drivers, or simple serial communication interfaces.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-18 |
| Factory Lead Time | 5Weeks |
| YTEOL | 8 |
| Has ADC | NO |
| 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-G18 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 13 |
| Number of Timers | 3 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 14 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP18,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 68 |
| ROM (words) | 1024 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 20MHz |
| Supply Current-Max | 20mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC16F84A-20/SO Alternates Showing results | Image |
| 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 PIC16F84A-20/SO:
suggested
suggested
suggested
suggested
Frequently Asked Questions
What is the maximum clock frequency of the PIC16F84A-20/SO and how does it affect instruction throughput?
The PIC16F84A-20/SO operates at up to 20 MHz, achieving 5 MIPS instruction throughput since the PIC16 RISC architecture executes most instructions in 4 clock cycles, making it fast enough for simple timer-based control, key scanning, and basic serial protocols.
For a compact control board, how does the 18-pin SOIC package of the PIC16F84A-20/SO simplify assembly?
The 18-pin SOIC-18 package of the PIC16F84A-20/SO has 1.27 mm pitch leads that are accessible for manual rework and hand soldering, reducing assembly cost for low-volume educational and prototype boards while fitting a smaller PCB footprint than DIP-18 through-hole packages.
Which simple automation tasks is the PIC16F84A-20/SO best suited for given its 1 KB Flash and 68 bytes RAM?
With 1 KB Flash and 68 bytes of RAM, the PIC16F84A-20/SO handles lightweight tasks such as LED blinking sequences, relay timing control, EEPROM-based parameter storage using its 64 bytes of data EEPROM, and simple serial communication on designs powered from 2 V to 5.5 V.
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