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Part Number: LC74786JM
Description: The LC74786, LC74786M, and LC74786JM are onscreen display controller CMOS ICs that display characters ...
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LC74786JM
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DataSheet
General Description
LC74786JM General Description
The LC74786, LC74786M, and LC74786JM are onscreen display controller CMOS ICs that display characters and patterns on the TV screen under microprocessor control. These ICs support 12 × 18-dot characters and can display 12 lines by 24 characters of text.
LC74786JM Maximum Ratings
|
Parameter |
Symbol |
Conditions |
Ratings |
Unit |
| Maximum supply voltage |
VDD max |
VDD1 and VDD2 |
VSS0.3 to VS +6.5 |
V |
| Maximum input voltage |
VIN max |
All input pins |
VS 0.3 to VDD+0.3 |
V |
| Maximum output voltage |
VOUT max |
HFTONOUT, SYNCJDG, and SEPOUT | VSS 0.3 to VDD+0.3 |
V |
| Allowable power dissipation |
Pd max |
Ta = 25°C |
350 |
mW |
| Operating temperature |
Topr |
-30to+70 |
°C | |
| Storage temperature |
Tstg |
-40to+125 |
°C |
LC74786JM 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 (128 characters, one spacing character, and one transparent spacing character)
• Initial display positions: 64 horizontal positions and 64 vertical positions
• Blinking: Specifiable in character units
• Blinking types: Two periods supported: About 1.0 second and about 0.5 second
• Blanking: Over the whole font (12 * 18 dots)
• Background color: 8 colors (internal synchronization mode): 2fSC and 4fSC
• Line background color
- Can be set for 3 lines
- Line background color: 8 colors (internal synchronization mode): 2fSC and 4fSC
• External control input: 8-bit serial input format
• On-chip sync separator circuit
• Video outputs - NTSC, PAL, PAL-N, PAL-M, NTSC 4.43, and PAL60 format composite video outputs
• Package
- 24-pin plastic DIP-24S (300 mil)
- 24-pin plastic MFP-24 (375 mil)
- 24-pin plastic MFP-24S (300 mil)
• Character format: 12 (horizontal) * 18 (vertical) dots
• Character sizes: Three sizes each in the horizontal and vertical directions
• Characters in font: 128 (128 characters, one spacing character, and one transparent spacing character)
• Initial display positions: 64 horizontal positions and 64 vertical positions
• Blinking: Specifiable in character units
• Blinking types: Two periods supported: About 1.0 second and about 0.5 second
• Blanking: Over the whole font (12 * 18 dots)
• Background color: 8 colors (internal synchronization mode): 2fSC and 4fSC
• Line background color
- Can be set for 3 lines
- Line background color: 8 colors (internal synchronization mode): 2fSC and 4fSC
• External control input: 8-bit serial input format
• On-chip sync separator circuit
• Video outputs - NTSC, PAL, PAL-N, PAL-M, NTSC 4.43, and PAL60 format composite video outputs
• Package
- 24-pin plastic DIP-24S (300 mil)
- 24-pin plastic MFP-24 (375 mil)
- 24-pin plastic MFP-24S (300 mil)
LC74786JM Connection Diagram
LC74786JM
PDF/DataSheet Download
- Datasheet: LC74786JM
- File Size: 221812 KB
- Manufacturer: SANYO [Sanyo Semicon Device]
- Click here to Download
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The LC74786, LC74786M, and LC74786JM are onscreen display controller CMOS ICs that display characters and patterns on the TV screen under microprocessor control. These ICs support 12 × 18-dot characters and can display 12 lines by 24 characters of text.
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