PIC16F18346-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC16F18346-I/SO is an 8-bit PIC16 microcontroller running up to 32 MHz with a 10-bit ADC, 5-bit DAC, 256-byte EEPROM, and dual SPI/I2C interfaces in a 20-pin SOIC package. It operates from as low as 2.3V at 16 MHz, making it suitable for battery-powered sensor nodes and IoT edge devices. Available in production quantities with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F18346-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1200(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 PIC16F18346-I/SO?
- 8-bit PIC16 core clocked up to 32 MHz for responsive control
- 10-bit ADC for precision analog measurement
- 5-bit DAC for simple analog output generation
- 256-byte EEPROM for non-volatile parameter storage
- Dual SPI and I2C interfaces for multi-sensor connectivity
- Low-voltage operation from 2.3V at 16 MHz for battery-powered designs
- 20-pin SOIC package for easy hand soldering and compact layouts
What is PIC16F18346-I/SO used for?
The PIC16F18346-I/SO is ideal for IoT sensor nodes, wearable devices, and low-power embedded systems requiring analog measurement alongside digital communication. Its combination of 10-bit ADC, 5-bit DAC, and two SPI/I2C buses enables direct interfacing with multiple sensors and displays in a single 20-pin package. The 2.3V minimum operating voltage and 32 MHz top speed make it a strong choice for coin-cell or harvested-energy applications where power budget is tight.
What are the specifications of PIC16F18346-I/SO?
| Manufacturer Package Code | SOIC-20 |
| Factory Lead Time | 7Weeks |
| Date Of Intro | 2016-04-06 |
| YTEOL | 18 |
| Has ADC | YES |
| Additional Feature | OPERATES WITH 2.3V MIN @ 16 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 18 |
| Number of Serial I/Os | 1 |
| Number of Timers | 9 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 14 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| RAM (bytes) | 2048 |
| RAM (words) | 2048 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 2.9mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC16F18346-I/SO Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Where can I find the PIC16F18346-I/SO datasheet?
PIC16F18346-I/SO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16F18346-I/SO?
Compatible alternatives and drop-in replacements for PIC16F18346-I/SO:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
suggested
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
7KB, 512B RAM, 256B EEPROM, 10b ADC, Comp, 5b DAC, 10b PWM, CCP, CLC, NCO, CWG
28KB, 2KB RAM, 256 EEPROM, 12b ADC2, Comparator, DAC, PWM, CCP, CLC, NCO, CWG,
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
Frequently Asked Questions
At what voltage can the PIC16F18346-I/SO operate, and what clock speed does that support?
The PIC16F18346-I/SO operates from as low as 2.3V while maintaining a 16 MHz clock speed, and reaches its maximum 32 MHz performance at 2.7V and above. This low-voltage capability makes it compatible with two-cell AA battery packs, coin cells, and energy-harvesting power supplies without additional regulation.
How many serial communication interfaces does the PIC16F18346-I/SO provide, and which sensor buses does it natively support?
The device includes 2 independent SPI and 2 I2C interfaces, supporting simultaneous connection to multiple sensors, displays, and memory chips on separate buses. For example, an I2C humidity sensor and an SPI flash can both be active at 32 MHz without bus contention, simplifying firmware design for multi-sensor IoT nodes.
For a data-logging design, how does the PIC16F18346-I/SO's on-chip EEPROM help reduce external component count?
The 256-byte internal EEPROM stores calibration coefficients, configuration parameters, and event counters across power cycles without requiring an external I2C or SPI EEPROM chip. This removes at least 1 component from the BOM and its associated decoupling capacitors, saving board space in the 20-pin SOIC footprint and simplifying firmware by using Microchip's built-in EEPROM read/write API.
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+ | $1.5400 | $1.54 |
| 6+ | $1.3276 | $7.97 |
| 100+ | $1.2800 | $128.00 |
| 1000+ | $1.1700 | $1170.00 |
| 5000+ | $1.1200 | $5600.00 |
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