PIC16F18346-I/SS Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC16F18346-I/SS is an 8-bit PIC16 microcontroller from Microchip running at up to 32 MHz with 28 KB Flash and integrated ADC, housed in a 20-pin SSOP package. It operates from as low as 2.3 V at 16 MHz, making it ideal for battery-powered and low-voltage embedded applications. Available through global distribution with a 7-week lead time and an 18-year estimated product lifetime.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F18346-I/SS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7043(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/SS?
- 8-bit PIC16 CPU core running up to 32 MHz clock frequency
- 28 KB Flash program memory for medium-complexity firmware applications
- Low-voltage operation from 2.3 V at 16 MHz for battery-powered designs
- Integrated ADC for direct analog sensor signal acquisition
- Compact 20-pin SSOP package enabling small PCB footprint
- 18-year product lifetime (YTEOL) for long-lifecycle industrial applications
What is PIC16F18346-I/SS used for?
The PIC16F18346-I/SS is well suited for low-power sensor nodes, home automation controls, and portable consumer electronics that require reliable 8-bit processing from a 2.3 V to 5.5 V supply with minimal external components. Its 28 KB Flash provides ample space for control algorithms, communication stacks, and lookup tables in temperature controllers, motor speed regulators, and smart lighting dimmers. The 20-pin SSOP package also makes it a practical choice for compact PCB designs in wearable and IoT edge devices.
What are the specifications of PIC16F18346-I/SS?
| Manufacturer Package Code | SSOP-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 | SSOP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| 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 | 0.65mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| 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/SS datasheet?
PIC16F18346-I/SS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16F18346-I/SS?
Compatible alternatives and drop-in replacements for PIC16F18346-I/SS:
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
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C
Frequently Asked Questions
At what minimum supply voltage can the PIC16F18346-I/SS operate and how does this affect battery selection?
The PIC16F18346-I/SS operates down to 2.3 V at 16 MHz, which means it can run directly from a single lithium-ion cell that discharges from 4.2 V to roughly 2.5 V near end of capacity. Designers targeting two-cell alkaline or NiMH batteries (nominally 2.4 V to 3.2 V fully charged) can power the microcontroller without an additional LDO regulator, reducing both BOM cost and quiescent current losses.
How does 32 MHz maximum clock speed compare to other 8-bit MCUs for time-critical control loops on the PIC16F18346-I/SS?
Running at 32 MHz, the PIC16F18346-I/SS executes up to 8 MIPS (million instructions per second) on its single-cycle PIC16 architecture, which is sufficient for 1 kHz or faster PID control loops and PWM generation. This places it above many competing 8-bit MCUs capped at 20 MHz, making it competitive for brushed motor control, servo positioning, and LED dimming applications without stepping up to a 32-bit device.
What makes the 28 KB Flash and 20-pin SSOP combination attractive for retrofit sensor designs?
With 28 KB Flash, the PIC16F18346-I/SS has enough program memory to hold an I2C or SPI communication stack alongside a full sensor calibration algorithm and data-logging routine. The 20-pin SSOP package fits a footprint of approximately 7.5 mm × 5.3 mm, making it suitable for retrofit PCBs that must replace a legacy DIP-20 microcontroller in existing industrial enclosures without major board redesign.
What is the expected product availability horizon for PIC16F18346-I/SS and how should long-lifecycle equipment programs plan sourcing?
Microchip assigns an 18-year YTEOL (years to end-of-life) rating to the PIC16F18346-I/SS, indicating it is expected to remain in production through approximately 2034. Industrial equipment manufacturers with 10-year or longer service commitments can safely design this MCU into new products. A 7-week standard factory lead time supports steady-state replenishment, and blanket orders with authorized distributors further secure pricing stability for high-volume programs.
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