Serial Interface Option Vacuum Fluorescent Displays
Description
Serial Interface Option Vacuum Fluorescent Displays (VFDs) are voltage-controlled devices that provide high brightness and wide viewing angles. These displays consist of a cathode, grid, and anode sealed in a high-vacuum glass envelope. They are equipped with a serial interface, such as RS232 or USB, which allows them to communicate with other devices or systems. This interface facilitates the integration of VFDs into various electronic applications by enabling data exchange between the display and a central processing unit (CPU).
Working Principle
Vacuum Fluorescent Displays operate by heating the cathode to emit electrons. When both the grid and the anode are at a positive potential relative to the cathode, the emitted electrons pass through the grid and strike the anode. The anode is coated with a fluorescent material that emits light upon electron impact. The brightness of the display is determined by the voltage difference between the cathode and the anode. The serial interface option allows for efficient control and data transmission, making VFDs useful in applications where high brightness and wide viewing angles are required.
Applications
Serial Interface Option VFDs are used in a variety of applications where clear and bright displays are necessary. Specific examples include automotive dashboards, where they provide clear visibility of information under various lighting conditions, and consumer electronics like microwave ovens and audio equipment, where they display settings and operational status. They are also used in industrial equipment for displaying operational data and in point-of-sale systems for transaction information.
Advantages over other Vacuum Fluorescent Displays
The inclusion of a serial interface in these VFDs offers significant advantages over traditional VFDs. This interface simplifies the integration process with other electronic systems, reducing the complexity of wiring and control. It allows for more flexible and dynamic control of the display content, which can be particularly beneficial in applications requiring frequent updates or changes to the displayed information.
Limitations
One limitation of Serial Interface Option VFDs is their requirement for high-voltage drivers capable of large output voltage swings, which can complicate the design and increase the cost of the overall system. Additionally, while they offer high brightness, they may not be suitable for environments with high ambient light without additional backlighting options.
Considerations
When considering the use of Serial Interface Option VFDs, it is important to evaluate the initial costs, which may be higher due to the need for high-voltage drivers and the integration of a serial interface. Operating expenses are generally low due to the efficiency of VFDs, but durability and maintenance should be considered, as the high-voltage operation can lead to wear over time. Replacement and maintenance costs should also be factored in, particularly in applications where the display is subject to frequent use or harsh environmental conditions.
from DigiKey
Vacuum Fluorescent Display (VFD) 112 x 16 Graphic Serial [See More]
- Display Type: Graphic
- Number of Characters: 112
- Number of Rows: 16
- Features: Serial Interface Option
from RS Components, Ltd.
Intelligent alphanumeric dot-matrix vacuum fluorescent displays using an emissive technology. Wide viewing angle. Bright blue-green fluorescent image. 4, 5 or 6 luminance levels. Integral display controller, drivers and dc/dc converter. Over 220 characters and symbols. Serial or parallel interface. [See More]
- Display Type: Alpha-Numeric
- Number of Rows: 2
- Display Color: Green
- Number of Characters: 16
from DigiKey
Vacuum Fluorescent Display (VFD) 21 x 8 Graphic 4.75V ~ 5.25V Parallel/Serial 140.000mm x 68.00mm x 15.20mm [See More]
- Display Type: Graphic
- Number of Characters: 21
- Number of Rows: 8
- Viewing Area Width: 41.5
from RS Components, Ltd.
Intelligent alphanumeric dot-matrix vacuum fluorescent displays using an emissive technology. Wide viewing angle. Bright blue-green fluorescent image. 4, 5 or 6 luminance levels. Integral display controller, drivers and dc/dc converter. Over 220 characters and symbols. Serial or parallel interface. [See More]
- Display Type: Alpha-Numeric
- Number of Rows: 2
- Display Color: Green
- Number of Characters: 20
from DigiKey
Vacuum Fluorescent Display (VFD) 42 x 4 Graphic 5V Parallel/Serial 220.00mm x 50.00mm x 11.80mm [See More]
- Display Type: Graphic
- Number of Characters: 42
- Number of Rows: 4
- Viewing Area Width: 20.7
from RS Components, Ltd.
Intelligent alphanumeric dot-matrix vacuum fluorescent displays using an emissive technology. Wide viewing angle. Bright blue-green fluorescent image. 4, 5 or 6 luminance levels. Integral display controller, drivers and dc/dc converter. Over 220 characters and symbols. Serial or parallel interface. [See More]
- Display Type: Alpha-Numeric
- Number of Rows: 2
- Display Color: Green
- Number of Characters: 16
from DigiKey
Vacuum Fluorescent Display (VFD) 16 x 2 Graphic 4.75V ~ 5.25V Serial 80.00mm x 36.00mm x 8.80mm [See More]
- Display Type: Graphic
- Number of Characters: 16
- Number of Rows: 2
- Viewing Area Width: 11.5
from RS Components, Ltd.
High-brightness low-profile dot matrix graphic display modules. The modules include the VFD glass, VF drivers and microcontroller. 8-bit Parallel/Serial Interface (Selectable by jumper). Low Profile Construction. Single 5Vdc Supply. All of the displays use a green phosphor with 505nm peak wavelength... [See More]
- Display Type: Alpha-Numeric
- Viewing Area Width: 52.5
- Display Color: Green
- Viewing Area Height: 11.45
from DigiKey
Vacuum Fluorescent Display (VFD) 20 x 2 Graphic 5V Parallel/Serial 116.00mm x 37.00mm x 8.90mm [See More]
- Display Type: Graphic
- Number of Characters: 20
- Number of Rows: 2
- Viewing Area Width: 11.5
from RS Components, Ltd.
Intelligent alphanumeric dot-matrix vacuum fluorescent displays using an emissive technology. Wide viewing angle. Bright blue-green fluorescent image. 4, 5 or 6 luminance levels. Integral display controller, drivers and dc/dc converter. Over 220 characters and symbols. Serial or parallel interface. [See More]
- Display Type: Alpha-Numeric
- Number of Rows: 2
- Display Color: Green
- Number of Characters: 20
from DigiKey
Vacuum Fluorescent Display (VFD) 20 x 2 Graphic 4.75V ~ 5.25V Serial 116.00mm x 37.00mm x 8.90mm [See More]
- Display Type: Graphic
- Number of Characters: 20
- Number of Rows: 2
- Viewing Area Width: 11.5
from RS Components, Ltd.
Intelligent alphanumeric dot-matrix vacuum fluorescent displays using an emissive technology. Wide viewing angle. Bright blue-green fluorescent image. 4, 5 or 6 luminance levels. Integral display controller, drivers and dc/dc converter. Over 220 characters and symbols. Serial or parallel interface. [See More]
- Display Type: Alpha-Numeric
- Number of Rows: 2
- Display Color: Green
- Number of Characters: 16
from DigiKey
Vacuum Fluorescent Display (VFD) 20 x 4 Graphic 5V Parallel/Serial 98.00mm x 60.00mm x 8.80mm [See More]
- Display Type: Graphic
- Number of Characters: 20
- Number of Rows: 4
- Viewing Area Width: 21.6
from RS Components, Ltd.
Intelligent alphanumeric dot-matrix vacuum fluorescent displays using an emissive technology. Wide viewing angle. Bright blue-green fluorescent image. 4, 5 or 6 luminance levels. Integral display controller, drivers and dc/dc converter. Over 220 characters and symbols. Serial or parallel interface. [See More]
- Display Type: Alpha-Numeric
- Number of Rows: 1
- Display Color: Green
- Number of Characters: 12
from DigiKey
Vacuum Fluorescent Display (VFD) 20 x 4 Graphic 5V Serial 98.00mm x 60.00mm x 8.80mm [See More]
- Display Type: Graphic
- Number of Characters: 20
- Number of Rows: 4
- Viewing Area Width: 21.6
from RS Components, Ltd.
High-brightness low-profile dot matrix graphic display modules. The modules include the VFD glass, VF drivers and microcontroller. 8-bit Parallel/Serial Interface (Selectable by jumper). Low Profile Construction. Single 5Vdc Supply. All of the displays use a green phosphor with 505nm peak wavelength... [See More]
- Display Type: Alpha-Numeric
- Viewing Area Width: 164
- Display Color: Green
- Viewing Area Height: 40.22
from DigiKey
Vacuum Fluorescent Display (VFD) Graphic 4.75V ~ 5.25V Parallel/Serial 159.00mm x 50.00mm x 11.50mm [See More]
- Display Type: Graphic
- Viewing Area Height: 115
- Viewing Area Width: 28.6
- Width: 50
from RS Components, Ltd.
High-brightness low-profile dot matrix graphic display modules. The modules include the VFD glass, VF drivers and microcontroller. 8-bit Parallel/Serial Interface (Selectable by jumper). Low Profile Construction. Single 5Vdc Supply. All of the displays use a green phosphor with 505nm peak wavelength... [See More]
- Display Type: Alpha-Numeric
- Viewing Area Width: 57.48
- Display Color: Green
- Viewing Area Height: 28.68
from DigiKey
Vacuum Fluorescent Display (VFD) 21 x 4 Graphic 5V Parallel/Serial [See More]
- Display Type: Graphic
- Number of Characters: 21
- Number of Rows: 4
- Viewing Area Width: 13.93
from RS Components, Ltd.
High-brightness low-profile dot matrix graphic display modules. The modules include the VFD glass, VF drivers and microcontroller. 8-bit Parallel/Serial Interface (Selectable by jumper). Low Profile Construction. Single 5Vdc Supply. All of the displays use a green phosphor with 505nm peak wavelength... [See More]
- Display Type: Alpha-Numeric
- Viewing Area Width: 115
- Display Color: Green
- Viewing Area Height: 28.7
from DigiKey
Vacuum Fluorescent Display (VFD) 23 x 2 Graphic 4.75V ~ 5.25V Parallel/Serial [See More]
- Display Type: Graphic
- Number of Characters: 23
- Number of Rows: 2
- Viewing Area Width: 18.8
from DigiKey
Vacuum Fluorescent Display (VFD) Graphic 4.75V ~ 5.25V Parallel/Serial 146.00mm x 43.00mm x 9.40mm [See More]
- Display Type: Graphic
- Viewing Area Height: 103
- Viewing Area Width: 18.8
- Width: 43
from DigiKey
Vacuum Fluorescent Display (VFD) 23 x 2 Graphic 4.75V ~ 5.25V Serial 146.00mm x 43.00mm x 9.40mm [See More]
- Display Type: Graphic
- Number of Characters: 23
- Number of Rows: 2
- Viewing Area Width: 18.8
from DigiKey
Vacuum Fluorescent Display (VFD) Graphic 4.75V ~ 5.25V Parallel/Serial 182.00mm x 33.50mm x 8.80mm [See More]
- Display Type: Graphic
- Viewing Area Height: 137
- Viewing Area Width: 11
- Width: 34
from DigiKey
Vacuum Fluorescent Display (VFD) Graphic 4.75V ~ 5.25V Parallel/Serial 182.00mm x 33.50mm x 8.80mm [See More]
- Display Type: Graphic
- Viewing Area Height: 137
- Viewing Area Width: 11
- Width: 34
from DigiKey
Vacuum Fluorescent Display (VFD) Graphic 4.75V ~ 5.25V Serial 182.00mm x 33.50mm x 8.80mm [See More]
- Display Type: Graphic
- Viewing Area Height: 137
- Viewing Area Width: 11
- Width: 34
from DigiKey
Vacuum Fluorescent Display (VFD) 42 x 8 Graphic 4.75V ~ 5.25V Parallel/Serial 133.00mm x 38.00mm x 9.00mm [See More]
- Display Type: Graphic
- Number of Characters: 42
- Number of Rows: 8
- Viewing Area Width: 41.48
from DigiKey
Vacuum Fluorescent Display (VFD) Graphic 4.75V ~ 5.25V Parallel/Serial 131.00mm x 66.00mm x 12.90mm [See More]
- Display Type: Graphic
- Viewing Area Height: 83.1
- Viewing Area Width: 41.5
- Width: 66
from DigiKey
Vacuum Fluorescent Display (VFD) Graphic 4.75V ~ 5.25V Parallel/Serial 214.00mm x 110.00mm x 17.40mm [See More]
- Display Type: Graphic
- Viewing Area Height: 141
- Viewing Area Width: 70.25
- Width: 110
from DigiKey
Vacuum Fluorescent Display (VFD) 21 x 4 Graphic Parallel/Serial [See More]
- Display Type: Graphic
- Number of Characters: 21
- Number of Rows: 4
- Viewing Area Width: 20.7
from DigiKey
Vacuum Fluorescent Display (VFD) Graphic 4.75V ~ 5.25V Parallel/Serial [See More]
- Display Type: Graphic
- Viewing Area Height: 57.5
- Viewing Area Width: 28.7
- Features: Serial Interface Option
from DigiKey
Vacuum Fluorescent Display (VFD) Graphic 4.75V ~ 5.25V Parallel/Serial [See More]
- Display Type: Graphic
- Viewing Area Height: 115
- Viewing Area Width: 28.6
- Features: Serial Interface Option; RoHS
from DigiKey
Vacuum Fluorescent Display (VFD) 24 x 6 Character 5V Parallel/Serial 98.00mm x 47.00mm x 9.70mm [See More]
- Display Type: Alpha-Numeric
- Number of Characters: 24
- Number of Rows: 6
- Character Width: 3
from DigiKey
Vacuum Fluorescent Display (VFD) 24 x 6 Character 5V Parallel/Serial 98.00mm x 47.00mm x 9.70mm [See More]
- Display Type: Alpha-Numeric
- Number of Characters: 24
- Number of Rows: 6
- Character Width: 3
from DigiKey
Vacuum Fluorescent Display (VFD) 24 x 4 Character 5V Parallel/Serial 116.00mm x 37.00mm x 9.30mm [See More]
- Display Type: Alpha-Numeric
- Number of Characters: 24
- Number of Rows: 4
- Character Width: 3