Product Overview
Myson MTV021N OSD Controller - DIP-16 IC for CRT Monitor On-Screen Display
Condition
Unused NOS. Sourced from an electronics distributor consolidating inventory. The unit pictured shows a DIP-16 body marked MTV021N-25 with date/lot code 0016EI40A1. All 16 leads are straight and untinned. No signs of use or prior installation.
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Product Overview
Myson MTV021N Enhanced Super On-Screen Display IC in a DIP-16 package. Designed for monitor applications to display built-in characters, fonts, and basic graphics onto a screen. Accepts serial data from a host microcontroller via SPI or I2C interface and outputs RGB video signals for overlay onto a display. The MTV021 family includes 16-pin, 20-pin, and 24-pin PDIP variants - the base MTV021N designation indicates PDIP package; pin count should be confirmed against your application before ordering.
Key Features
- Enhanced Super OSD function - generates and positions text and graphics on-screen
- DIP-16 package confirmed from photo markings (MTV021N-25)
- Microcontroller interface: SPI bus or I2C (I2C slave address 7AH is a mask option)
- RGB video signal output
- Horizontal SYNC input up to 130 KHz - not confirmed for this specific variant
- On-chip PLL up to 96 MHz - not confirmed for this specific variant
- Programmable horizontal resolutions up to 1524 dots per display row - not confirmed for this specific variant
- Operating temperature: 0°C to 70°C - not confirmed for this specific variant
- All 16 leads straight and untinned - unused condition verified visually
Applications
- Replacement OSD chip in CRT monitors and older display equipment
- Custom display projects requiring on-screen text or menu overlay
- Repair of vintage monitors with failed OSD controller
- Hobbyist builds adding OSD capability to DIY video display systems
- Educational electronics projects demonstrating serial-controlled video overlay
Frequently Asked Questions
What is the pin count on this specific unit?
The photo shows a DIP-16 body. The base MTV021N designation indicates PDIP package type, but variants exist in 16, 20, and 24-pin configurations. This unit is confirmed DIP-16 from the visible markings. Verify the pin count matches your application before ordering.
What interface does this IC require?
It communicates with a host microcontroller via SPI bus or I2C serial interface. It is not directly compatible with modern digital display interfaces such as HDMI or DisplayPort without additional conversion circuitry.
Is a datasheet included?
Not included. The Myson MTV021 datasheet is available through electronics datasheet archives.
Has this IC been function tested?
Evaluation: Visual inspection only. Function testing not performed. The unit is unused NOS with straight, untinned leads consistent with uninstalled stock.
This chip sat in a distributor's bin long enough for CRT monitors to go from mainstream to collectible - and it never got used. Somebody's custom display project or vintage repair bench just got lucky.
