PIC16F677-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
PIC16F677-I/P is an 8-bit PIC microcontroller from Microchip with 3.5 KB flash, 128 bytes RAM, 18 I/O pins, built-in ADC, and up to 20 MHz clock. Available in a 20-pin PDIP package and operable down to 2 V supply.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F677-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5200(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC16F677-I/P?
- 8-bit PIC16 MCU with 3.5 KB flash and 20 MHz maximum clock supports a broad range of low-cost embedded control applications in a 20-pin PDIP footprint
- Integrated ADC with 18 configurable I/O pins enables direct sensor acquisition and digital I/O control without external analog front-end components
- Low-voltage operation down to 2 V at 8 MHz extends battery life in coin-cell and two-AA-cell powered portable devices
What is PIC16F677-I/P used for?
The PIC16F677-I/P is a cost-effective 8-bit microcontroller designed for simple embedded control tasks such as appliance timers, LED lighting controllers, motor drive sequencers, and capacitive touch sensing applications. Its 18 I/O pins and built-in ADC allow direct interfacing to sensors, buttons, and actuators with minimal external components, reducing BOM cost in high-volume consumer and industrial products. The 20-pin PDIP package simplifies prototyping on breadboards and through-hole PCBs, while the 2 V minimum supply enables battery-powered designs using standard alkaline cells.
What are the specifications of PIC16F677-I/P?
| 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 | 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 |
Where can I find the PIC16F677-I/P datasheet?
PIC16F677-I/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16F677-I/P?
Compatible alternatives and drop-in replacements for PIC16F677-I/P:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDIP20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDIP20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDIP20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDIP20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 20MHz, CMOS, PDSO20
Frequently Asked Questions
What is the maximum operating frequency of the PIC16F677-I/P and how does it scale with supply voltage?
The PIC16F677-I/P operates at up to 20 MHz when powered from a 5 V supply, providing adequate throughput for most 8-bit control tasks. At reduced supply voltages down to 2 V, the device operates at up to 8 MHz, balancing processing speed and power consumption in battery-powered designs running from two AA cells or a coin cell.
How much program memory and RAM does the PIC16F677-I/P provide for firmware development?
The PIC16F677-I/P includes 3.5 KB of flash program memory and 128 bytes of RAM. This capacity supports moderate embedded control programs including state machines, simple communication protocols, and ADC-based measurement routines, making it suitable for LED driver, appliance control, and sensor interface firmware compiled with free Microchip XC8 toolchain.
Which sensor interfacing applications benefit from the PIC16F677-I/P's integrated ADC and 18 I/O pins?
Applications such as temperature monitoring with NTC thermistors, light sensing with LDR voltage dividers, and battery voltage measurement benefit directly from the built-in ADC, eliminating external converter ICs. With 18 available I/O pins in a 20-pin PDIP, the PIC16F677-I/P can simultaneously manage 4–8 analog inputs plus multiple digital outputs for relay control or 7-segment display driving within a single chip.
When is the PIC16F677-I/P a cost-effective alternative to larger 28-pin or 32-pin microcontrollers?
For designs requiring fewer than 18 I/O pins and up to 3.5 KB of program storage, the PIC16F677-I/P in a 20-pin PDIP typically costs 30–50% less than 28-pin PIC16F or PIC18F devices while providing the same core 8-bit PIC16 architecture. This makes it ideal for high-volume consumer products such as remote controls, fans, and small appliances where per-unit cost at quantities of 1,000 to 10,000 pieces drives component selection.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.5961 | $1.60 |
| 75+ | $1.5700 | $117.75 |
| 150+ | $1.5500 | $232.50 |
| 300+ | $1.5200 | $456.00 |
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.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit