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MFG:SANYO  Package Cooled:DIP  

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Part Number: LC74799

 

MFG: SANYO

Package Cooled: DIP

 

Description: The LC74799 and LC74799M are on-screen display controller CMOS ICs that display characters and patterns on the TV scree...


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LC74799 General Description


The LC74799 and LC74799M are on-screen display controller CMOS ICs that display characters and patterns on the TV screen under microprocessor control. These ICs include a built-in PDC/VPS/UDT interface circuit.

LC74799 Maximum Ratings


Parameter
Rating
SYMBOL
 UNIT Conditions
Supply voltage
VSS 0.3 to VSS + 7.0
VDD
V
VDD1 and VDD2
Input voltage
VSS 0.3 to VDD + 0.3
VIN
V
All input pins
Output voltage
VSS 0.3 to VDD + 0.3
VOUT
V
DAV, DOUT, SEPOUT, and SYNCJDG
Allowable power dissipation
350
Pd max j
mW
Ta = 25°C
Operating temperature

30 to +70
Topr
°C
  
Storage temperature
40 to +125
Tstg
°C
-

LC74799 Features

• Display format: 24 characters by 12 rows (Up to 288 characters)
• Character format: 12 (horizontal) ´ 18 (vertical) dots
• Character sizes: Three sizes each in the horizontal and vertical directions
• Characters in font: 128
• Initial display positions: 64 horizontal positions and 64 vertical positions
• Blinking: Specifiable in character units
• Blinking types: Two periods supported: 1.0 second and 0.5 second
• Blanking: Over the whole font (12 ´ 18 dots)
• Background color
- 8 colors (internal synchronization mode): 4fSC
- 6 colors (internal synchronization mode): 2fSC
- Blue background only: NTSC
• Line background color
- Three lines can be set up.
- 8 line background colors (in internal synchronization mode): 4fSC
- 6 line background colors (in internal synchronization mode): 2fSC
• External control input: 8-bit serial input format
• On-chip sync separator and AFC circuits
• On-chip PDC/VPS/UDT interface circuit (Supports the I2C bus standard)
• Video outputs: PAL and NTSC format composite video outputs
• Package: DIP30SD (400 mil) MFP30S (375 mil)

LC74799 Connection Diagram

LC74799 Connection Diagram

LC74799 datasheet

LC74799
PDF/DataSheet Download

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