PIC16F874A-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC16F874A-I/P is an 8-bit CMOS Flash microcontroller with 7 KB program memory, 192 bytes RAM, and 256 bytes EEPROM. Features 33 I/O pins, 10-bit ADC with 8 channels, USART, SPI, and I2C. Available from stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16F874A-I/P Datasheet PDF
- Category
- Integrated Circuit
- 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 core running up to 20 MHz with 7 KB Flash program memory and 256 bytes data EEPROM
- 10-bit ADC with 8 analog input channels for precision sensor interfacing
- Multiple communication interfaces: USART, SPI master/slave, and I2C for broad connectivity
- 33 general-purpose I/O pins in 40-pin PDIP package with 4 V minimum supply voltage
Applications
The PIC16F874A-I/P is widely used in industrial control systems requiring analog signal acquisition and serial communication, such as temperature controllers and data loggers. Its 8-channel 10-bit ADC and USART/SPI/I2C interfaces make it ideal for embedded sensor nodes, motor control panels, and building automation modules. The 40-pin PDIP package suits prototyping and low-volume production where through-hole assembly is preferred.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-40 |
| Factory Lead Time | 6Weeks |
| Date Of Intro | 1998-12-01 |
| YTEOL | 3 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 4 V MINIMUM SUPPLY |
| 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-T40 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 33 |
| 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 | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 192 |
| RAM (words) | 192 |
| ROM (words) | 4096 |
| 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 |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the Flash memory and RAM capacities of the PIC16F874A-I/P?
The PIC16F874A-I/P provides 7 KB of Flash program memory, 192 bytes of data SRAM, and 256 bytes of data EEPROM, giving it substantial storage for embedded applications requiring non-volatile parameter retention alongside runtime data buffering.
Which ADC resolution and channel count does the PIC16F874A-I/P offer for analog sensing?
The PIC16F874A-I/P integrates a 10-bit ADC with 8 analog input channels, enabling high-resolution conversion of sensor signals across a 4 V to 5.5 V supply range, suitable for temperature, pressure, and current-sensing applications in industrial designs.
How does the PIC16F874A-I/P compare to the PIC16F877A when board space is limited?
Both parts share the same 40-pin PDIP package footprint with 33 I/O pins, but the PIC16F877A doubles the Flash to 14 KB and RAM to 368 bytes. If 7 KB of program memory is sufficient, the PIC16F874A-I/P offers a lower-cost alternative with identical I/O count and communication peripherals.
Can the PIC16F874A-I/P operate reliably in industrial temperature environments?
Yes, the I-suffix variant of PIC16F874A-I/P is rated for the industrial temperature range of -40°C to +85°C, making it suitable for outdoor equipment, factory floor controllers, and HVAC systems exposed to wide ambient temperature swings.
Related Guides
How to Choose a Digital Potentiometer: AD5204, AD5206, and AD8403 Selection Guide
Compare the AD5204, AD5206, and AD8403 multi-channel SPI digipots by channel count, resistance value, and package to choose the right Analog Devices digital potentiometer for your design.
Jun 21, 2026
AD7745 / AD7746 / AD7747 Capacitance-to-Digital Converter Design Guide
Complete application note for the AD774x CDC family: circuit design, shielding, conversion rate selection, and sourcing guidance for the AD7745, AD7746, and AD7747.
Jun 21, 2026
ECMF02-4CMX8 Common-Mode Filter with ESD Protection: Selection Guide
Compare ECMF02-4CMX8 vs ECMF02-2AMX6, ECMF04-4HSM10, and other ST ECMF filters. Choose the right 4-channel common-mode filter with ESD protection for USB 2.0.
Jun 20, 2026
AD5204 Quad Digital Potentiometer Selection Guide (2026)
How to choose the right AD5204 quad digital potentiometer: compare 10kΩ vs 100kΩ variants, TSSOP vs SOIC packages, and SPI interface options for your design.
Jun 20, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
PIC16LF88-I/SS
Small Outline Packages
Integrated Circuit
25AA02E48-I/SN
Small Outline Packages
Integrated Circuit
PIC18F1220-I/SO
Small Outline Packages
Integrated Circuit
MIC5319-1.8YD5-TR
SOT23 (5-Pin)
Integrated Circuit
dsPIC33FJ256GP710A-I/PT
Quad Flat Packages
Integrated Circuit
BM70BLES1FC2-0B03AA
Other
Integrated Circuit
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”