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PDF LC74723 Data sheet ( Hoja de datos )

Número de pieza LC74723
Descripción On-Screen Display Controller
Fabricantes Sanyo Semicon Device 
Logotipo Sanyo Semicon Device Logotipo



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No Preview Available ! LC74723 Hoja de datos, Descripción, Manual

Ordering number : EN4841C
CMOS LSI
LC74723, 74723M
On-Screen Display Controller
Overview
The LC74723 and LC74723M are on-screen display
controller CMOS LSIs that display characters and patterns
on a TV screen under microprocessor control. Characters
are 8 × 8 dots, and a dot interpolation function is provided.
The LC74723 can display 24 characters × 10 lines of text.
Features
• Screen structure: 24 characters × 10 lines (up to 240
characters)
• Character structure: 8 (horizontal) × 8 (vertical)
(interpolation function supported)
• Character sizes: Two horizontal and two vertical sizes
• Number of characters: 64
• Display start position: 64 horizontal and 64 vertical
positions
• Blinking: In character units
• Blinking types: Two, with periods of 0.5 and 1.0 seconds
• Blue background screen display: (in internal synchro-
nization mode)
• External control inputs: 8-bit serial input interface
• Built-in sync separator circuit
• Video output: Compound NTSC and PAL-M output
• Packages: 24-pin plastic MFP (375 mil)
24-pin plastic DIP (300 mil)
Package Dimensions
unit: mm
3067-DIP24S
[LC74723]
unit: mm
3045B-MFP24
[LC74723M]
SANYO: DIP24S
SANYO: MFP24
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
63097HA (OT)/41596TH (OT)/83194TH (OT) No. 4841-1/12

1 page




LC74723 pdf
System Block Diagram
LC74723, 74723M
No. 4841-5/12

5 Page





LC74723 arduino
LC74723, 74723M
Composite Video Signal Output Level (internally generated level)
CVOUT output level waveform (VDD2 = 5.00 V)
Output level
VCHA: Character
VRSH: Background color high
VCBH: Color burst high
VRSL: Background color low
VBK1: Trimming
VBK0: Trimming
VPD: Pedestal
VCBL: Color burst low
VSN: Sync
Note: VDD2 = 5.00 V
Output voltage Π[V]
2.69
2.08
1.72
1.56
2.13
1.55
1.40
1.09
0.81
Output voltage  [V]
2.88
2.28
1.91
1.75
2.30
1.73
1.59
1.28
1.01
No. 4841-11/12

11 Page







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