The MAX7456 single-channel monochrome on-screen display (OSD) generator lowers system cost by eliminating the need for an external video driver, sync separator, video switch, and EEPROM. The MAX7456 serves all national and international markets with 256 user-programmable characters in NTSC and PAL standards. The MAX7456 easily displays information such as company logo, custom graphics, time, and date with arbitrary characters and sizes. The MAX7456 is preloaded with 256 characters and pictographs and can be reprogrammed in-circuit using the SPI™ port.

The MAX7456 is available in a 28-pin TSSOP package and is fully specified over the extended (-40°C to +85°C) temperature range.

MAX7456

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Key Features

256 User-Defined Characters or Pictographs in Integrated EEPROM
12 x 18 Pixel Character Size
Blinking, Inverse, and Background Control Character Attributes
Selectable Brightness by Row
Displays Up to 16 Rows x 30 Characters
Sag Compensation On Video-Driver Output
LOS, Active-Low VSYNC, Active-Low HSYNC, and Clock Outputs
Internal Sync Generator
NTSC and PAL Compatible
SPI-Compatible Serial Interface
Delivered with Preprogrammed Character Set

Applications/Uses

Consumer Electronics
In-Cabin Entertainment
Industrial Applications
Security Cameras
Security Switching Systems

Design Resources

Technical Documents

App Note 4184 C-Code Software Routines for Using the SPI Interface on the MAX7456 On-Screen Display
App Note 4133 Using the MAX7461 Loss-of-Sync Alarm to Enable Simple, but Rapid Detection of Standard-Definition Video
App Note 4117 Generating Custom Characters and Graphics by Using the MAX7456's Memory and EV Kit File Formats

Quality and Environmental Data

Product Reliability Reports: MAX7456.pdf
Lead-Free Package Tin (Sn) Whisker Reports

Quality And Environmental

Device	Fab Process	Technology	Sample size	Rejects	FIT at 25°C	FIT at 55°C

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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Related Resources

Related Packaging

Technical Docs

Type	ID	Title
App Note	4184	C-Code Software Routines for Using the SPI Interface on the MAX7456 On-Screen Display
App Note	4133	Using the MAX7461 Loss-of-Sync Alarm to Enable Simple, but Rapid Detection of Standard-Definition Video
App Note	4117	Generating Custom Characters and Graphics by Using the MAX7456's Memory and EV Kit File Formats