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.
CMOS IC
On-Screen Display Controller
for PAL-Format Video
Ordering number:ENN3885A
LC7475
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
71901TN (KT)/9021JN No.3885–1/12
Overview
The LC7475 is a video display controller for superimpos-
ing text and low-level graphics onto a PAL-format televi-
sion receiver. The LC7475 has 128 characters in internal
ROM. Up to 288 characters can be displayed on a 12-line
by 24-character display under microprocessor control.
The LC7475 features four vertical and four horizontal char-
acter dimensions and 64 vertical and 64 horizontal screen
start positions. It also features a flashing enable bit for each
character position.
The LC7475 operates from a 5 V supply and is available in
22-pin shrink DIPs.
Features
Complete text and graphics video overlay circuitry.
128 characters in internal ROM.
288 character display capability.
12
× 18 dot-matrix character resolution.
Approximately 0.5 or 1 s period character flashing op-
tion.
Selectable flashing duty cycles of 25, 50 or 75%.
Internal or external synchronization.
Serial data control.
5 V supply.
22-pin shrink DIP.
21.2
0.95
0.48
1.7
1.78
3.9max
0.51min
6.4
7.62
3.3
3.25
0.25
111
22
12
Package Dimensions
unit:mm
3059-DIP22S
[LC7475]
SANYO : DIP22S
Pin Assignment
Top view