PIC16F18446-I/SS Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16F18446-I/SS is an 8-bit PIC microcontroller in a 20-pin SSOP package running up to 32 MHz. It integrates a 12-bit ADC, multiple communication peripherals, and XLP low-power technology for sub-microamp sleep currents. From $1.20 in stock worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F18446-I/SS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1600(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 core clocked up to 32 MHz (or 16 MHz at 2.3 V minimum supply) with XLP ultra-low-power standby for battery applications
- 12-bit Analog-to-Digital Converter with computation (ADCC) enabling hardware averaging and threshold comparison without CPU intervention
- 20-pin SSOP footprint integrating UART, SPI, I2C, PWM, and capacitive-touch sensing in a single low-cost device
Applications
The PIC16F18446-I/SS targets cost-sensitive embedded applications such as IoT sensor nodes, home appliance control boards, and battery-powered wearables where an 8-bit microcontroller with integrated analog peripherals and sub-microamp sleep current is essential. Its 12-bit ADCC and capacitive-touch module make it a natural fit for touch-interface panels and precision measurement instruments operating from a 2.3 V to 5.5 V supply.
Specifications
| Manufacturer Package Code | SSOP-20 |
| Factory Lead Time | 5Weeks |
| Date Of Intro | 2017-12-21 |
| YTEOL | 19 |
| Has ADC | YES |
| Additional Feature | IT ALSO OPERATES AT 2.3V MIN AT 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 |
| Peak Reflow Temperature (Cel) | 260 |
| RAM (bytes) | 2048 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 4.8mA |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| 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 | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F18446-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
7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
Frequently Asked Questions
What is the maximum clock speed of PIC16F18446-I/SS and how does it relate to supply voltage?
The PIC16F18446 can run at up to 32 MHz from a 2.7 V to 5.5 V supply. At a reduced supply of 2.3 V minimum, the device operates reliably at up to 16 MHz, making it suitable for battery-powered designs where the supply voltage drops below 2.7 V during discharge while still needing active processing.
Which communication interfaces does the PIC16F18446-I/SS support?
The device integrates UART, SPI, and I2C interfaces alongside PWM and capacitive-touch peripherals in its 20-pin SSOP body. These built-in communication modules allow connection to external sensors, displays, and host MCUs without additional interface ICs, reducing BOM count and board area in space-constrained designs.
How does the ADCC on PIC16F18446 differ from a standard ADC and what resolution does it offer?
The 12-bit ADC with Computation (ADCC) module performs hardware averaging, low-pass filtering, and threshold comparison independently of the CPU. This frees the 32 MHz core for other tasks while the ADCC accumulates up to 64 samples per trigger, delivering higher effective resolution than a standard 12-bit conversion in noisy industrial or automotive environments.
For a portable sensor design, how low can PIC16F18446-I/SS reduce its current consumption?
Using XLP (eXtreme Low Power) technology, the PIC16F18446 achieves deep sleep currents below 1 µA at 1.8 V, with full register retention. In Idle mode the current drops to single-digit microamps, extending battery life of a CR2032-powered sensor node from weeks to years depending on duty cycle.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.5900 | $1.59 |
| 25+ | $1.5300 | $38.25 |
| 67+ | $1.4400 | $96.48 |
| 100+ | $1.3200 | $132.00 |
| 1000+ | $1.2200 | $1220.00 |
| 5000+ | $1.1600 | $5800.00 |
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