PIC16F677-E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC16F677-E/P is an 8-bit PIC microcontroller with 1.75 KB of Flash, 64 bytes of RAM, and 12 I/O pins, rated for extended temperature operation in a 20-pin PDIP package. It operates from 2 V to 5.5 V at up to 20 MHz and includes an 8-channel 10-bit ADC and an internal oscillator, making it a compact solution for simple embedded control designs. Suitable for appliance controls, sensor interfaces, and low-cost consumer electronics requiring extended temperature range coverage.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F677-E/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6392(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
- 8-bit PIC16 core with 1.75 KB Flash and 64 bytes RAM
- 8-channel 10-bit ADC for multi-point analog measurement
- 2 V to 5.5 V supply range with 8 MHz operation at 2 V
- Internal oscillator up to 8 MHz, eliminating external crystal
- 12 digital I/O pins with individual direction control
- Extended temperature range: -40°C to 125°C
- 20-pin PDIP for easy prototyping and hand soldering
Applications
The PIC16F677-E/P is commonly used in low-cost appliance control boards for fans, pumps, and small motors, where its 8-channel ADC and 12 I/O pins provide sufficient resources for sensing and control without excess silicon cost. Its extended temperature rating to 125°C and 2 V minimum supply make it suitable for automotive accessory modules and under-hood sensor interfaces operating in harsh thermal environments. It is also popular in educational and prototyping settings due to its breadboard-friendly 20-pin PDIP package.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-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 | R-PDIP-T20 |
| 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 | DIP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| 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 | NO |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| 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
Compatible alternatives and drop-in replacements for PIC16F677-E/P:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDIP20
Frequently Asked Questions
How much Flash and RAM does PIC16F677-E/P offer for firmware and variable storage?
PIC16F677-E/P provides 1.75 KB of Flash program memory and 64 bytes of SRAM for runtime variables. It also includes 128 bytes of EEPROM for non-volatile data storage. While this is modest by modern standards, it is sufficient for simple state-machine control loops, sensor polling routines, and lookup-table based signal conditioning commonly found in low-cost consumer and appliance applications.
At what clock frequency can PIC16F677-E/P run when powered from a 2 V supply?
PIC16F677-E/P can operate its internal oscillator at up to 8 MHz with a supply voltage as low as 2 V. For applications requiring the maximum 20 MHz clock speed, the supply voltage must be raised to at least 2.5 V or higher. This flexible speed-voltage trade-off is useful in battery-powered designs where the available voltage varies over the discharge curve.
For an automotive sensor module, how does the extended temperature range of PIC16F677-E/P benefit the design?
PIC16F677-E/P is rated for extended temperature operation from -40°C to 125°C, covering the full range of under-hood automotive environments where ambient temperatures can exceed 85°C for sustained periods. This rating means the device maintains its 10-bit ADC accuracy, I/O drive strength, and oscillator stability without requiring derating, reducing the need for thermal insulation or external temperature compensation circuitry in automotive sensor modules.
How many analog input channels does PIC16F677-E/P provide, and can they be used simultaneously with digital I/O?
PIC16F677-E/P provides 8 analog input channels shared with general-purpose digital I/O pins. Each channel is individually configurable as analog input or digital I/O via the ANSEL register, so unused ADC channels remain available as digital outputs. The 10-bit ADC operates with a successive-approximation architecture and can convert one channel at a time, sequentially scanning multiple sensors at rates suitable for typical sensor polling intervals.
When is the 20-pin PDIP package of PIC16F677-E/P preferable to a surface-mount package for a small production run?
The 20-pin PDIP package with 2.54 mm pin pitch is preferable in small production runs or prototyping because it can be inserted into a standard 0.1-inch breadboard or low-cost DIP socket without soldering, eliminating the need for a hot-air rework station. For productions of fewer than a few hundred units where manual assembly and in-circuit programming via a simple socket adapter outweigh the PCB footprint savings of a 5 mm × 5 mm QFN, the PDIP reduces tooling and assembly equipment costs significantly.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.2900 | $2.29 |
| 22+ | $1.9500 | $42.90 |
| 50+ | $1.7917 | $89.59 |
| 150+ | $1.7155 | $257.32 |
| 250+ | $1.6392 | $409.80 |
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