PIC16F877-04/PQ Microchip Integrated Circuit (Quad Flat Packages) In Stock

Name: PIC16F877-04/PQ
Brand: Microchip
SKU: PIC16F877-04/PQ
Availability: InStock

Microchip PIC16F877-04/PQ is an 8-bit PIC16 Flash microcontroller operating at up to 4MHz with 14KB Flash, 368 bytes RAM, 8-channel 10-bit ADC, and UART/SPI/I2C in a 44-pin QFP package. It is a low-speed variant of the popular PIC16F877 family designed for power-sensitive 4MHz applications. Available from stock with worldwide shipping.

NOT RECOMMENDEDIntegrated CircuitVerified Jun 2026

Package / Visual Reference

PIC16F877-04/PQQuad Flat Packages

Quick Facts

Manufacturer: Microchip
Package: Quad Flat Packages
Pin Count: 44
Lifecycle: NOT RECOMMENDED
Datasheet: PIC16F877-04/PQ Datasheet PDF
Category: Integrated Circuit
Price: From $7.6300(MOQ 1)
Temp Range: ?°C to 70.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of PIC16F877-04/PQ?

8-channel 10-bit ADC enables direct multi-sensor analog acquisition with 4.88mV resolution at 5V reference, without external converter ICs
4 MHz maximum clock with PIC16 RISC core delivers 1 MIPS throughput optimized for low-power, low-EMI embedded control applications
44-pin QFP surface-mount package provides 33 GPIO pins with SPI, I2C, two UARTs, and 3 timer modules for versatile interface expansion

What is PIC16F877-04/PQ used for?

The PIC16F877-04/PQ targets cost-sensitive embedded control applications including industrial automation panels, HVAC controllers, and data-acquisition modules where a proven 8-bit MCU with rich analog and communication peripherals is required. Its 8-channel 10-bit ADC and dual UART interfaces make it suitable for multi-sensor polling systems with serial data output. The 4MHz speed limit reduces EMI and active power consumption compared to the 20MHz PIC16F877, benefiting battery-backed applications needing low radiated emissions.

What are the specifications of PIC16F877-04/PQ?

Pbfree Code	Yes
Manufacturer Package Code	MQFP-44
Date Of Intro	1998-12-01
YTEOL	3
Has ADC	YES
Bit Size	8
Boundary Scan	NO
CPU Family	PIC16
Clock Frequency-Max	4MHz
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
Qualification Status	Not Qualified
RAM (bytes)	368
RAM (words)	368
ROM (words)	8192
ROM Programmability	FLASH
Speed	4MHz
Supply Current-Max	5mA
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
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC
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

Where can I find the PIC16F877-04/PQ datasheet?

PIC16F877-04/PQ Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for PIC16F877-04/PQ?

Compatible alternatives and drop-in replacements for PIC16F877-04/PQ:

PIC16F874-04/PQMicrochip Technology Inc

MCU CMOS 44 LD 4MHZ 4K FLASH

View Part →

PIC16F877-04/PTMicrochip Technology Inc

MCU CMOS 44 LD 4MHZ 8K FLASH

View Part →

PIC16LF877-04/PQMicrochip Technology Inc

MCU CMOS 44 LD LOW PWR

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

How many analog input channels does PIC16F877-04/PQ provide, and what resolution and voltage range do they cover?

PIC16F877-04/PQ provides 8 analog input channels connected to a single 10-bit successive-approximation ADC. At a 5V reference the ADC resolves inputs in 4.88mV steps across the 0V to 5V range. The multiplexed architecture means only one channel is sampled at a time, with a recommended acquisition time of at least 20µs per channel change to allow the sample-and-hold capacitor to fully charge.

What is the difference between PIC16F877-04/PQ and PIC16F877-20/PQ, and when should the 4MHz version be selected?

PIC16F877-04/PQ is speed-rated at 4 MHz maximum while PIC16F877-20/PQ supports 20 MHz. Both share identical 14KB Flash, 368 bytes RAM, and 8-channel 10-bit ADC. Choose the 4MHz variant when your design needs to pass FCC/CE radiated-emission limits without extra shielding, since lower clock frequency reduces fundamental and harmonic emissions by 10–14dB. The 4MHz limit also reduces active supply current from approximately 5mA to under 2mA at 5V, benefiting battery-backed control panels.

For a legacy PIC16F877-04/PQ replacement, which modern Microchip device offers pin-compatible upgrade with more memory?

The PIC16F887 in the same 44-pin QFP footprint is the closest modern upgrade. It doubles Flash to 14KB with 256 bytes of EEPROM, adds a comparator module, and retains the same 8-channel 10-bit ADC and 20 MHz maximum clock. The PIC16F887's MQFP-44 pinout is fully compatible with PIC16F877, allowing PCB reuse. PIC16F877-04/PQ was introduced in 1998 and has a low YTEOL rating, making migration planning important for long-life industrial designs.

What UART baud rates are achievable with PIC16F877-04/PQ at 4 MHz, and is 9600 baud standard RS-232 supported?

At 4 MHz with the on-chip USART in asynchronous mode, PIC16F877-04/PQ achieves standard baud rates including 1200, 2400, 4800, and 9600 baud with less than 0.16% baud-rate error using the 8-bit prescaler. 19200 baud is achievable with 0.16% error at 4 MHz. These rates are fully compatible with RS-232 level translators (MAX232 or equivalent), supporting point-to-point serial communication at up to 19200 baud without external baud-rate generators.

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

Authorized Source

Verified supply chain with full traceability & inspection

Competitive Pricing

Factory-direct from China distributors, low MOQ

Fast Shipping

DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide

Quality Guaranteed

30-day replacement for defective parts, no questions asked

About Microchip

Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

View all Microchip parts →

More from Microchip

PIC16F18323-E/SN

Small Outline Packages

Integrated Circuit

PIC16F18115-I/MD

Small Outline No-lead

Integrated Circuit

ATTINY816-MZT-VAO

Integrated Circuit

MCP6499T-E/ST

Small Outline Packages

Integrated Circuit

MSC050SDA120BCT

Other

Schottky Diode

MCP4641-103E/ML

Quad Flat No-Lead

Integrated Circuit

AvailabilityIn Stock

Reference Price (USD)

From $7.6300

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$8.9800	$8.98
20+	$7.9600	$159.20
40+	$7.9100	$316.40
75+	$7.8100	$585.75
5000+	$7.6300	$38150.00

pcs

Unit price: $8.9800 · Total: $8.98

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”

Thomas Mueller

Hardware Lead, SensorTech GmbH, Germany

PIC16F877-04/PQ Microchip Integrated Circuit (Quad Flat Packages) In Stock

What are the key features of PIC16F877-04/PQ?

What is PIC16F877-04/PQ used for?

What are the specifications of PIC16F877-04/PQ?

Compliance & Regulatory

Where can I find the PIC16F877-04/PQ datasheet?

What are equivalent replacements for PIC16F877-04/PQ?

Frequently Asked Questions

How many analog input channels does PIC16F877-04/PQ provide, and what resolution and voltage range do they cover?

What is the difference between PIC16F877-04/PQ and PIC16F877-20/PQ, and when should the 4MHz version be selected?

For a legacy PIC16F877-04/PQ replacement, which modern Microchip device offers pin-compatible upgrade with more memory?

What UART baud rates are achievable with PIC16F877-04/PQ at 4 MHz, and is 9600 baud standard RS-232 supported?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Microchip

More from Microchip

You May Also Like