PIC16LF1459-I/GZ Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The PIC16LF1459-I/GZ is an 8-bit PIC16 microcontroller from Microchip featuring 14 KB of Flash, 1024 bytes of RAM, a built-in USB 2.0 full-speed interface, ADC, and DAC, running up to 20 MHz. It operates from a low 1.8 V to 3.6 V supply, making it ideal for portable and USB-powered embedded applications. Packaged in a compact 20-pin UQFN for space-constrained PCB designs.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16LF1459-I/GZ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.4600(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
- Integrated USB 2.0 full-speed peripheral for direct PC connectivity without an external USB bridge chip
- 14 KB Flash and 1024 bytes RAM in an 8-bit PIC16 core running up to 20 MHz, supporting a broad range of real-time control tasks
- 1.8 V to 3.6 V low-voltage operation with on-chip ADC and DAC channels in a 20-pin UQFN for ultra-compact, battery-powered designs
Applications
The PIC16LF1459-I/GZ is ideal for USB HID devices such as custom keyboards, game controllers, and USB-to-sensor bridges where a small 8-bit core with on-chip USB 2.0 eliminates the need for a separate USB transceiver. Its on-chip ADC and DAC make it equally suited for portable data loggers and USB-powered calibration instruments that must sample and output analog signals while streaming data to a host PC. The 20-pin UQFN footprint and 1.8 V minimum supply voltage also support wearable and coin-cell IoT nodes where board area and energy budget are tightly constrained.
Specifications
| Manufacturer Package Code | UQFN-20 |
| Factory Lead Time | 7Weeks |
| YTEOL | 14 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 20MHz |
| 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 | 17 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| 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) | 1024 |
| RAM (words) | 1024 |
| ROM (words) | 8192 |
| ROM Programmability | FLASH |
| Speed | 48MHz |
| Supply Current-Max | 292mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| 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 |
| ## PIC16LF1459-I/GZ Alternates Showing results | Image |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16LF1459-I/GZ:
suggested
Frequently Asked Questions
How much Flash and RAM does PIC16LF1459-I/GZ have, and is that enough for a USB HID firmware stack?
The PIC16LF1459-I/GZ provides 14 KB of program Flash and 1024 bytes of data RAM. Microchip's USB Framework for PIC16 devices typically requires around 3 KB to 5 KB of Flash for the USB descriptor tables and CDC or HID stack, leaving at least 9 KB for application code. The 1024-byte RAM comfortably holds USB endpoint buffers (64 bytes each) plus application variables at 20 MHz execution speed.
What supply voltage range does PIC16LF1459-I/GZ support, and how does that help battery-powered USB devices?
The PIC16LF1459-I/GZ operates from 1.8 V to 3.6 V. A single LiPo cell at 3.0 V to 3.6 V can directly power the MCU without a linear regulator, while two AA alkaline cells (nominally 3 V) cover the full discharge curve down to 1.8 V. For USB bus-powered designs, a 3.3 V LDO from the 5 V VBUS rail falls well within the 3.6 V maximum, maintaining reliable 20 MHz operation throughout the operating temperature range.
Does PIC16LF1459-I/GZ require an external USB transceiver, and what USB speed does it support?
No external transceiver is needed. The PIC16LF1459-I/GZ integrates a full-speed USB 2.0 peripheral at 12 Mbps directly on-chip, including the USB transceiver, serial interface engine, and endpoint buffers. This eliminates a separate USB bridge IC such as CH340 or CP2102, reducing BOM cost and PCB area by at least 2 to 3 components while enabling direct USB connectivity to any host PC or USB hub.
What analog capabilities does PIC16LF1459-I/GZ offer for sensor-interface designs?
The PIC16LF1459-I/GZ includes an on-chip ADC and a DAC channel, allowing direct connection to resistive, capacitive, or voltage-output sensors without external analog front-end components. The ADC resolution is typically 10 bits, supporting measurement ranges with approximately 1 mV resolution at a 3.3 V reference. The DAC provides a programmable analog output suitable for setting thresholds or generating reference voltages in closed-loop sensor conditioning circuits running from a 1.8 V to 3.6 V supply.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.0000 | $2.00 |
| 100+ | $1.6500 | $165.00 |
| 1000+ | $1.5200 | $1520.00 |
| 5000+ | $1.4600 | $7300.00 |
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