PIC16F18346-I/GZ Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip PIC16F18346-I/GZ is an 8-bit microcontroller featuring 256 bytes EEPROM, a 10-bit ADC, 5-bit DAC, and dual SPI/I2C interfaces running at up to 32 MHz. Housed in a compact 20-pin UQFN package, it operates from 2.3 V at 16 MHz, making it ideal for low-power embedded applications. Globally stocked by authorized distributors with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F18346-I/GZ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8815(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
- 32 MHz 8-bit PIC16 core with 10-bit ADC and 5-bit DAC enabling analog signal acquisition and generation in a single device
- Dual SPI/I2C interfaces plus 256 bytes of EEPROM supporting multi-peripheral embedded control with non-volatile parameter storage
- Low-voltage operation from 2.3 V at 16 MHz in a compact 20-pin UQFN package for battery-powered and space-constrained IoT designs
Applications
The PIC16F18346-I/GZ is well-suited for low-power IoT sensor nodes, portable instrumentation, and consumer appliance control systems where an 8-bit MCU with integrated analog peripherals is required in a minimal footprint. Its dual SPI and I2C interfaces allow concurrent communication with multiple sensors, displays, and memory devices from a single chip running at up to 32 MHz. The 2.3 V minimum operating voltage at 16 MHz and the 20-pin UQFN package make it an excellent choice for wearable devices, smart home modules, and battery-operated industrial sensors.
Specifications
| Manufacturer Package Code | UQFN-20 |
| Factory Lead Time | 8Weeks |
| 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 | S-PQCC-N20 |
| 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 | LCC20,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| 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 | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC16F18346-I/GZ Alternates Showing results | Image |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F18346-I/GZ:
suggested
suggested
suggested
suggested
suggested
suggested
7KB, 512B RAM, 256B EEPROM, 10b ADC, Comp, 5b DAC, 10b PWM, CCP, CLC, NCO, CWG
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PQCC20
28KB, 2KB RAM, 256 EEPROM, 12b ADC2, Comparator, DAC, PWM, CCP, CLC, NCO, CWG,
7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C
Frequently Asked Questions
Which sensor interface tasks can the PIC16F18346-I/GZ handle simultaneously using its dual communication peripherals?
The PIC16F18346-I/GZ includes 2 independent SPI and 2 I2C interfaces, enabling simultaneous communication with up to 4 peripheral devices such as a SPI-based display, an SPI flash memory, an I2C temperature sensor, and an I2C real-time clock. This multi-peripheral capability, combined with a 10-bit ADC for analog inputs and a 5-bit DAC for analog output, makes it possible to build a complete sensor hub on a single 8-bit chip running at up to 32 MHz.
How does the PIC16F18346-I/GZ perform at low supply voltages, and is it suitable for a 3 V coin-cell battery application?
The PIC16F18346-I/GZ operates from a minimum supply voltage of 2.3 V at 16 MHz, making it directly compatible with a 3 V CR2032 or similar coin-cell battery throughout most of its discharge cycle. As the battery voltage drops toward 2.3 V, the MCU can reduce its clock from 32 MHz to 16 MHz to remain operational, extending battery life. Built-in sleep and idle modes reduce active current to microamp levels, enabling months of operation from a single coin cell in low-duty-cycle sensor applications.
When is the UQFN-20 package of the PIC16F18346-I/GZ a better choice than the standard DIP-20 package variant for new designs?
The 20-pin UQFN (Ultra Quad Flat No-Lead) package of the PIC16F18346-I/GZ occupies only a fraction of the PCB area of a DIP-20 package, which measures approximately 25 mm in length compared to the UQFN's typical 4 x 4 mm footprint. For new designs targeting wearable devices, compact IoT nodes, or multilayer PCBs where automated SMT assembly is used, the UQFN-20 is the preferred package. It also offers lower parasitic inductance on pins, improving high-frequency performance at 32 MHz compared to the longer lead frames of DIP packages.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9266 | $0.93 |
| 7+ | $0.8854 | $6.20 |
| 100+ | $0.8815 | $88.15 |
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