PIC16F877A-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The PIC16F877A-I/ML is an 8-bit PIC microcontroller from Microchip with 14 KB flash, 368 bytes RAM, 33 I/O pins, an integrated 10-bit ADC, and a maximum 20 MHz clock in a compact 44-pin QFN package. It supports SPI, I2C, and USART peripherals for versatile embedded connectivity. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F877A-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.3700(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
- 14 KB flash and 368 bytes RAM with up to 20 MHz clock enabling efficient 8-bit control firmware in a compact 44-pin QFN package
- Integrated 8-channel, 10-bit ADC for direct analog sensor acquisition without external conversion components
- On-chip SPI, I2C, and USART peripherals supporting multi-protocol communication with sensors, displays, and host processors
Applications
The PIC16F877A-I/ML is widely used in industrial sensor nodes, HVAC control boards, and motor-drive applications where an 8-bit MCU with ample I/O and on-chip ADC must fit into a space-constrained surface-mount design. Its 44-pin QFN package offers a significantly smaller PCB footprint than the equivalent DIP or PLCC variants, making it suitable for handheld instruments and compact embedded modules. The PIC16 architecture and extensive peripheral set enable straightforward firmware development for data-logging, serial communication, and closed-loop control tasks.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 6Weeks |
| Date Of Intro | 1998-12-01 |
| 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 | S-XQCC-N44 |
| 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 | UNSPECIFIED |
| Package Equivalence Code | LCC44,.35SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER |
| Qualification Status | Not Qualified |
| RAM (bytes) | 368 |
| RAM (words) | 368 |
| ROM (words) | 8192 |
| ROM Programmability | FLASH |
| Speed | 20MHz |
| Supply Current-Max | 15mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.635mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC16F877A-I/ML Alternates Showing results | Image |
| Package | Quad Flat No-Lead |
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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F877A-I/ML:
suggested
suggested
suggested
suggested
Frequently Asked Questions
How does the QFN-44 package of PIC16F877A-I/ML compare to the DIP-40 variant in terms of PCB footprint?
The 44-pin QFN package measures approximately 8 mm × 8 mm, which is roughly 60% smaller in board area than the 40-pin DIP-40 package measuring 52 mm × 15 mm. This size reduction makes the PIC16F877A-I/ML preferable for portable instruments and high-density PCBs where space is limited.
What ADC resolution and channel count does PIC16F877A-I/ML provide for sensor-interface designs?
The PIC16F877A-I/ML integrates an 8-channel, 10-bit ADC delivering 1024 discrete steps over the reference voltage range. This built-in converter allows direct digitization of thermistors, pressure sensors, and potentiometers without requiring external ADC ICs, reducing BOM cost and board complexity in multi-sensor embedded designs.
Which communication peripherals does PIC16F877A-I/ML include and how do they simplify connectivity in an embedded system?
The device includes an SPI-compatible MSSP module, an I2C interface, and a USART for RS-232 or RS-485 communication. With these 3 hardware peripherals available simultaneously, a single PIC16F877A-I/ML can manage an SPI display, read I2C sensors, and transmit data to a host via USART at up to 20 MHz clock speed, eliminating the need for external communication bridge ICs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $7.6700 | $7.67 |
| 45+ | $7.5700 | $340.65 |
| 90+ | $7.4900 | $674.10 |
| 100+ | $7.0100 | $701.00 |
| 1000+ | $6.5800 | $6580.00 |
| 5000+ | $6.3700 | $31850.00 |
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