Ordering number : EN5731A
CMOS IC
LC74788, 74788M, 74788JM
On-Screen Display Controller
Overview
The LC74788, LC74788M, and LC74788JM are on-
screen display controller CMOS ICs that display
characters and patterns on the TV screen under
microprocessor control. These ICs support 12
脳
18 dot
characters and can display 12 lines by 24 characters of
text.
Package Dimensions
unit: mm
3067-DIP24S
[LC74788]
Features
鈥?Display format: 24 characters by 12 rows (Up to 288
characters)
鈥?Character format: 12 (horizontal)
脳
18 (vertical) dots
鈥?Character sizes: Three sizes each in the horizontal and
vertical directions
鈥?Characters in font: 128 (128 characters, one spacing
character, and one transparent spacing character)
鈥?Initial display positions: 64 horizontal positions and 64
vertical positions
鈥?Blinking: Specifiable in character units
鈥?Blinking types: Two periods supported: About 1.0
second and about 0.5 second
鈥?Blanking: Over the whole font (12
脳
18 dots)
鈥?Background color: 8 colors (internal synchronization
mode): 2f
SC
and 4f
SC
鈥?Line background color
鈥?Can be set for 3 lines
鈥?Line background color: 8 colors (internal
synchronization mode): 2f
SC
and 4f
SC
鈥?External control input: 8-bit serial input format
鈥?On-chip sync separator circuit
鈥?Video outputs - NTSC, PAL, PAL-N, PAL-M, NTSC
4.43, and PAL60 format composite video outputs
鈥?Package
鈥?24-pin plastic DIP-24S (300 mil)
鈥?24-pin plastic MFP-24 (375 mil)
鈥?24-pin plastic MFP-24S (300 mil)
SANYO: DIP24S
unit: mm
3045B-MFP24
[LC74788M]
SANYO: MFP24
unit: mm
3112-MFP24S
[LC74788JM]
SANYO: MFP24S
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
30698HA (OT) No. 5731-1/23