Overview
The PCF2112CT/1,112 is a single-chip, silicon gate CMOS LCD driver circuit developed by NXP USA Inc. This component is part of the PCF21xxC family and is designed to drive LCD displays efficiently. Although the PCF2112CT is no longer in production, it remains relevant for existing designs and legacy systems. The device features a 3-line bus (C-bus) structure that enables serial data transfer with microcontrollers, making it suitable for various display applications.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage | 2.25 V to 6.0 V |
| LCD Segments | 32 segments |
| Multiplex Rate | 1:1 |
| Word Length | 34 bits |
| Package Type | VSO40 (40-pin plastic small outline package) |
| Environmental Compliance | PbFree, EU RoHS compliant, Halogen Free, REACH SVHC compliant |
| Operating Frequency | 30 to 50 Hz (depending on CO value) |
Key Features
- Low current consumption
- Serial data input via 3-line C-bus structure
- One-point built-in oscillator
- Power-on reset clear
- Stand-alone or expanded system capability
- Support for driving 32 LCD segments
Applications
The PCF2112CT/1,112 is suitable for a variety of LCD display applications, including:
- Portable electronic devices such as calculators, watches, and fitness trackers
- Industrial control panels and displays
- Automotive displays and instruments
- Medical devices with LCD interfaces
Q & A
- What is the supply voltage range for the PCF2112CT/1,112?
The supply voltage range is from 2.25 V to 6.0 V.
- How many LCD segments can the PCF2112CT/1,112 drive?
The PCF2112CT/1,112 can drive 32 LCD segments.
- What is the multiplex rate of the PCF2112CT/1,112?
The multiplex rate is 1:1.
- Is the PCF2112CT/1,112 environmentally compliant?
Yes, it is PbFree, EU RoHS compliant, Halogen Free, and REACH SVHC compliant).
- What is the package type of the PCF2112CT/1,112?
The package type is VSO40 (40-pin plastic small outline package)).
- Can the PCF2112CT/1,112 be used in stand-alone or expanded systems?
Yes, it can be used in both stand-alone and expanded systems).
- What is the operating frequency range of the PCF2112CT/1,112?
The operating frequency range is from 30 to 50 Hz, depending on the CO value).
- Is the PCF2112CT/1,112 still in production?
No, the PCF2112CT is no longer manufactured).
- How does the PCF2112CT/1,112 communicate with microcontrollers?
It communicates via a 3-line C-bus structure that enables serial data transfer).
- What are some common applications of the PCF2112CT/1,112?
Common applications include portable electronic devices, industrial control panels, automotive displays, and medical devices with LCD interfaces.
