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What is LC74775?

This electronic component, produced by the manufacturer "Sanyo Semicon Device", performs the same function as "On-Screen Display Controller IC".


LC74775 Datasheet PDF - Sanyo Semicon Device

Part Number LC74775
Description On-Screen Display Controller IC
Manufacturers Sanyo Semicon Device　
Logo Sanyo Semicon Device Logo　


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Total 35 Pages



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Ordering number : EN*5919
CMOS IC
LC74775, 74775M
On-Screen Display Controller IC
Preliminary
Overview
The LC74775/M is an on-screen display controller CMOS
IC that displays characters and patterns on the TV screen
under microprocessor control. This IC includes a built-in
PDC/VPS/UDT interface circuit.
Package Dimensions
unit: mm
3196-DIP30SD
[LC74775]
Functions
• 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 (Of the 128 characters, one is a
space character (7E hexadecimal)
and one is a transparent space
character (7F hexadecimal))
• 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 and 2fSC
Blue background only: NTSC
• Line background color: Three lines can be set up.
8 line background colors (in
internal synchronization mode):
4fSC and 2fSC
• External control input: 8-bit serial input format
• On-chip sync separator circuit
• Video outputs: PAL and NTSC format composite video
outputs
• On-chip PDC/VPS/UDT interface circuit supporting I2C
• Package: DIP30SD
MFP30S
unit: mm
3216A-MFP30S
SANYO: DIP30SD
[LC74775M]
SANYO: MFP30S
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
N1198RM(OT) No. 5919-1/35

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LC74775 equivalent
LC74775, 74775M
Continued from preceding page.
Paremeter
Symbol
Conditions
Color burst low level
VCBL
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Color burst high level
VCBH
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Background color
(other than blue) low level
VRSL0
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Background color
(other than blue) high level
VRSH0
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Blue background color 1
low level
VRSL1
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Blue background color 2
low level
VRSL2
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Blue background color 1
and 2 high level
VRSH
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Frame level 0
VBK0
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Frame level 1
VBK1
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Character level
VCHA
CVOUT: VDD1 = 5.0V,
VDD2 = 5.0V
Notes: (1): When the sync level = 0.8 V
(2): When the sync level = 1.0 V
(3): When the sync level = 1.4 V
The blue background color (1 or 2) is set as an option.
Ratings
min typ max
Unit
(1)
1.07
V
(2)
1.27
V
(3)
1.67
V
(1)
1.67
V
(2)
1.87
V
(3)
2.27
V
(1)
1.23
V
(2)
1.43
V
(3)
1.83
V
(1)
2.37
V
(2)
2.57
V
(3)
2.97
V
(1)
1.16
V
(2)
1.36
V
(3)
1.76
V
(1)
1.52
V
(2)
1.72
V
(3)
2.12
V
(1)
2.01
V
(2)
2.21
V
(3)
2.61
V
(1)
1.50
V
(2)
1.70
V
(3)
2.10
V
(1)
2.08
V
(2)
2.28
V
(3)
2.68
V
(1)
2.65
V
(2)
2.85
V
(3)
3.25
V
No. 5919-5/35


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