Buy PIC18LF4321-I/PT – High-Efficiency 8-Bit Microcontroller for Low-Power Applications
Looking for a compact, energy-efficient microcontroller for your next embedded design? The Microchip PIC18LF4321-I/PT is a low-power 8-bit MCU built to deliver performance, reliability, and flexibility — all in a space-saving TQFP-44 package.
This device is ideal for engineers and developers working on cost-sensitive applications that demand long battery life and dependable operation in harsh environments.
🔍 Overview: What is PIC18LF4321-I/PT?
The PIC18LF4321-I/PT is part of Microchip’s high-performance PIC18 family. It features enhanced Flash memory, low-voltage operation, and integrated peripherals suited for a broad range of applications, from consumer electronics to industrial automation and medical devices.

⚙️ Key Features
- Core: 8-bit PIC18 with advanced RISC architecture
- Operating Frequency: Up to 40 MHz
- Memory:
-
- 32 KB Flash Program Memory
- 1 KB SRAM
- 256 Bytes EEPROM
- Low-Power Operation:
-
- Operates down to 2.0V
- Ideal for battery-powered designs
- I/O: 36 versatile input/output pins
- Timers: 4 timers for advanced time-based operations
- Analog Features:
-
- 10-bit ADC (13 channels)
- Comparators
- Enhanced USART for serial communication
- Peripheral Pin Select for flexible hardware design
- Package: 44-pin TQFP (thin quad flat package)
🚀 Why Choose PIC18LF4321-I/PT?

- ✅ Low-voltage compatibility for extended battery life
- ✅ Reliable performance in both commercial and industrial environments
- ✅ Enhanced analog and digital peripherals for design flexibility
- ✅ Small footprint for compact product designs
- ✅ Backed by Microchip’s proven development ecosystem
🧰 Ideal Applications
The PIC18LF4321-I/PT is perfect for:
- Consumer electronics
- Battery-powered medical devices
- Portable measurement tools
- Home automation systems
- Industrial control panels
- Remote monitoring and sensing applications
📦 Available Now – Fast Shipping & Genuine Parts
We supply 100% authentic Microchip components, ready to ship with full documentation and support.
- 🚚 In-stock availability
- 📄 Datasheets and reference designs
- 💬 Expert technical support
- 🧾 Volume pricing available for OEMs
📘 Technical Resources
🛒 Order PIC18LF4321-I/PT Today
Get your project off the ground with the Microchip PIC18LF4321-I/PT — the right choice for power-sensitive, performance-driven embedded systems.
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