PIC16F877-20/PQ Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip PIC16F877-20/PQ is an 8-bit PIC microcontroller running at up to 20 MHz with integrated ADC, available in a 44-pin MQFP package. It offers ample Flash memory and I/O for general-purpose embedded control. RoHS-compliant with worldwide availability.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F877-20/PQ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $8.1800(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 CPU running at up to 20 MHz with integrated 10-bit ADC for analog measurement
- 44-pin MQFP package providing abundant I/O lines for complex embedded control applications
- Wide operating voltage compatibility supporting 5 V systems with on-chip Flash and EEPROM
Applications
PIC16F877-20/PQ targets industrial automation, motor control, and educational development boards where a full-featured 8-bit controller in a 44-pin MQFP footprint is preferred. The integrated ADC and generous I/O count make it effective for data acquisition systems, HVAC controllers, and white-goods appliances. Its long production history ensures stable availability for legacy-compatible designs and MRO procurement.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | MQFP-44 |
| Reach Compliance Code | Compliant |
| Date Of Intro | 1998-12-01 |
| YTEOL | 3 |
| 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-PQFP-G44 |
| 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 | QFP44,.5SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 368 |
| RAM (words) | 368 |
| ROM (words) | 8192 |
| ROM Programmability | FLASH |
| Speed | 20MHz |
| Supply Current-Max | 20mA |
| Supply Voltage-Max | 5.5V |
| 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 | 0.8mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC16F877-20/PQ Alternates Showing results | Image |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Philippines, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F877-20/PQ:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PQFP44
Frequently Asked Questions
What is the maximum clock frequency of PIC16F877-20/PQ, and how does it compare to lower-speed variants?
PIC16F877-20/PQ operates at up to 20 MHz, delivering roughly 5 MIPS of throughput on the PIC16 pipeline. This makes it roughly twice as fast as the 10 MHz variant, which benefits real-time control loops in motor-drive and PID applications that require faster interrupt latency.
Which industrial sensor interfacing scenarios benefit most from the PIC16F877-20/PQ ADC?
The PIC16F877-20/PQ integrates an 8-channel 10-bit ADC, enabling simultaneous sampling of multiple analog sensors such as thermistors, pressure transducers, and 0-5 V process signals. This eliminates external multiplexers in small SCADA nodes and 4-20 mA current loop interfaces.
How does the 44-pin MQFP package of PIC16F877-20/PQ affect PCB routing compared to a DIP-40 version?
The MQFP-44 package uses a 0.8 mm pin pitch, significantly reducing PCB footprint versus 2.54 mm DIP-40 spacing. This allows denser routing on 4-layer boards and simplifies automated SMT assembly, while still providing 33 usable I/O pins for complex peripheral connections.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $9.8700 | $9.87 |
| 96+ | $9.6300 | $924.48 |
| 100+ | $9.0000 | $900.00 |
| 1000+ | $8.4700 | $8470.00 |
| 5000+ | $8.1800 | $40900.00 |
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