Key facts
- Brand
- MICROCHIP
- Model
- PIC18F2455/2550/4455/4550
- Category
- Other device
- Industry
- Electronics
- Documents
- 5
- Languages
- ZH · EN
- Last added
- 2026-10-01
Start here
Microchip PIC18F2455/2550/4455/4550 Data Sheet
The document provides detailed specifications, pin‑outs, electrical characteristics and functional descriptions for the PIC18F2455, PIC18F2550, PIC18F4455 and PIC18F4550 microcontrollers. It covers device overview, oscillator options, power‑management modes, USB capabilities, I/O ports, timer modules, ADC, comparator and package information.
The data sheet also includes development support information, DC/AC characteristic graphs, and contact details for Microchip technical support worldwide. This manual is written in Chinese.
Microchip PIC18F2455/2550/4455/4550 specifications
| Flash program memory (PIC18F2455) | 24 KB |
|---|---|
| Flash program memory (PIC18F2550) | 32 KB |
| Operating voltage (standard devices) | 4.2 V – 5.5 V |
| Idle mode current consumption | 5.8 µA (typical) |
| Sleep mode current consumption | 0.1 µA (typical) |
| Maximum USB endpoints | 32 (dual 16) |
All Microchip PIC18F2455/2550/4455/4550 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical current consumption in idle mode?
The device draws about 5.8 µA in idle mode (typical).
How many USB endpoints does the PIC18F2455/2550/4455/4550 support?
It supports up to 32 USB endpoints (dual 16).
What USB speeds are supported by the PIC18F2455/2550/4455/4550?
The devices support Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s) USB operation.
How much current does the device draw in sleep mode?
Typical sleep mode current consumption is 0.1 µA.