PIC16F677-E/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
PIC16F677-E/ML is an 8-bit PIC microcontroller running at up to 20 MHz with 3.5KB Flash and 128B RAM. It features an integrated 10-bit ADC, comparators, and up to 18 GPIO pins in a compact 20-QFN (4x4 mm) package. Operates from 2V to 5.5V supply with low-power standby modes.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F677-E/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7500(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Up to 20 MHz operation with 3.5KB Flash in a 4x4 mm QFN-20 footprint
- Integrated 10-bit ADC with multiple channels for direct sensor interfacing
- Wide supply range from 2V to 5.5V enabling battery and regulated power designs
Applications
The PIC16F677-E/ML is suited for space-constrained embedded control applications such as appliance control panels, HVAC sensors, and portable handheld devices. Its integrated ADC and comparators allow direct connection to analog sensors without external signal conditioning components. The compact QFN-20 package and wide operating voltage make it a practical choice for consumer electronics and industrial automation designs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-20 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 2V SUPPLY AT 8 MHZ |
| 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-PQCC-N20 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 2 |
| Number of I/O Lines | 18 |
| Number of Serial I/Os | 1 |
| Number of Timers | 2 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 128 |
| ROM (words) | 3584 |
| ROM Programmability | FLASH |
| Screening Level | AEC-Q100; TS 16949 |
| Speed | 20MHz |
| Supply Current-Max | 5.45mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| 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 PIC16F677-E/ML:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PQCC20
Frequently Asked Questions
How does the PIC16F677-E/ML 2V minimum supply voltage expand design options for battery-powered products?
Operating reliably down to 2V at 8 MHz allows the PIC16F677-E/ML to run on a single Li-ion cell in its depleted state or on two AA batteries. Battery-powered sensors, remote controls, and portable instruments benefit from this extended supply range, reducing the need for voltage boosting circuitry and prolonging battery life by maximizing usable capacity.
For a compact motor-control PCB, how does the QFN-20 package size of the PIC16F677-E/ML compare to DIP alternatives?
The QFN-20 package measures only 4x4 mm with a 0.65 mm pitch, occupying roughly 80% less PCB area than an equivalent 20-pin DIP package at 7.62 mm pitch. This reduction is critical for compact motor-control boards and wearable designs where board real estate is severely limited.
Which sensor interfacing tasks can the PIC16F677-E/ML 10-bit ADC handle without external components?
The 10-bit ADC with multiple input channels can directly digitize outputs from temperature sensors, pressure transducers, potentiometers, and photodiodes within a 2V to 5.5V input range. With 1024 resolution steps, it provides approximately 4.88 mV per LSB at 5V supply, suitable for most industrial and consumer sensing applications.
How does the 3.5KB Flash of the PIC16F677-E/ML constrain firmware development, and what techniques help maximize its capacity?
At 3.5KB (2K x 14-bit words) of program Flash, firmware must be compact; using XC8 compiler optimizations, structured function calls, and lookup tables in Flash instead of RAM can reduce code size by 20-30%. Interrupt-driven peripheral management rather than polling loops also frees significant instruction cycles and Flash space for core application logic.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.1200 | $2.12 |
| 50+ | $2.0600 | $103.00 |
| 100+ | $2.0100 | $201.00 |
| 250+ | $1.9900 | $497.50 |
| 1000+ | $1.8600 | $1860.00 |
| 5000+ | $1.7500 | $8750.00 |
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