Ordering number : EN5159A
CMOS LSI
LC74772V
Camcorder On-Screen Display LSI
Overview
The LC74772V is a CMOS LSI that implements on-screen
display for camcorders. It displays characters and patterns
in a camcorder viewfinder under microprocessor control.
The LC74772V displays a 12
脳
18 dot font with 256
characters.
Package Dimensions
unit: mm
3175A-SSOP24
[LC74772V]
Features
鈥?Screen format: 12 lines 樓 24 characters (up to 288
characters)
鈥?Number of characters displayed: Up to 288 characters
鈥?Character format: 12 (horizontal)
脳
18 (vertical) dots
鈥?Number of characters in font: 256 characters
鈥?Character sizes: Normal and double, specified in line
units
鈥?Display start position
鈥?Horizontal: 64 positions
鈥?Vertical: 64 positions
鈥?Character reverse video function: Individual characters
can be displayed in reverse video.
鈥?Types of blinking: Two types with periods of 1.0 and
0.5 seconds, specifiable on a per character basis.
(Blinking has a 60% display on duty.)
(Four divisors: 1/25, 1/30, 1/50, 1/60)
鈥?Outputs: R, G, B plus 2 output systems
Or: 4 output systems (character data and blanking data:
4 outputs each)
鈥?External control input: 8-bit serial data input format
SANYO: SSOP24
Specifications
Absolute Maximum Ratings
Parameter
Supply voltage
Input voltage
Output voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
DD
V
IN
V
OUT
Pd max
Topr
Tstg
V
DD
All input pins
CK
OUT
, CHA4, BLK4, CHA3, BLK3, B, G, R, BLANK
Ta = 25擄C
Conditions
Ratings
V
SS
鈥?0.3 to V
SS
+ 7.0
V
SS
鈥?0.3 to V
DD
+ 0.3
V
SS
鈥?0.3 to V
DD
+ 0.3
300
鈥?0 to +70
鈥?0 to +125
Unit
V
V
V
mW
擄C
擄C
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
O3096HA(OT)/D3095HA (OT) No. 5159-1/16