BU2993FV
BU2993FV is On Screen Display manufactured by ROHM.
Description
The BU2993FV is a character generator IC designed for TV monitors and any other displays. It supports several features such as 512 characters display, 12-line × 28-character display, color and size of characters selectable, choice of background colors, 3-D displays, and 3-wire fixed 16 bit serial interface.
Dimension
(Units:mm)
6.5 ± 0.2 6.4 ± 0.3 1.15 ± 0.1 4.4 ± 0.2 0.1 0.3Min. 0.15 ± 0.1 0.1
20 11
0.65 0.22 ± 0.1
Features
1) 12-line × 28-character display 2) 512 character types 3) 4bit character color code 4) Character size can be selected from 4 sizes. 5) 3-D display possible for each character 6) Negative/positive display switch 7) Characters are displayed in a 12 ×18 dot matrix. 8) 3-wire fixed, 16 bit serial interface 9) patible with custom font
SSOP-B20
Applications DVC, Camcoders, DSC, Video-CD, DVD, Car navigation
Absolute Maximum Ratings (Ta=25˚C)
Parameter Power supply voltage Terminal voltage Storage temperature range Power dissipation Symbol VDD VIN Tstg PD Limits
- 0.3∼+7.0
- 0.3∼VDD+0.3
- 50 ~+125 400 ∗ Unit V V ˚C m W
∗Derating: 4.0m W/˚C for operation above Ta=25˚C.
February, 2000
Remended Operating Conditions (Ta=25˚C)
Parameter Power supply voltage Operating frequency Symbol VDD FOSC Min. 2.4 6.0 Typ.
- - Max. 3.6 17.8 Unit V MHZ
Electrical Characteristics
Parameter Current consumption Low input voltage High input voltage Low input current High input current Low output voltage High output voltage Symbol IDD VIL VIH IIL IIH VOL VOH Min.
- - 0 0.8VDD
- 25
- -
- 0.9VDD 0.9VDD Typ. 3.9 5.0
- -
- 50
- -
- -
- Max. 6.0 7.0 0.2VDD VDD 10 100 10 0.1VDD 0.1VDD
- - Unit m A m A V V µA µA µA V V V V VIL=0V VIH=3.0V IOL=4.0m A IOL=0.5m A, OSCOUT IOL=4.0m A IOL=0.5m A, OSCOUT Conditions VCC=2.7V, f CLK=8MHz VCC=3.3V, f CLK=8MHz
Application circuit
VRAM VRAM INTERFACE
SCLK CSB SDATA SDDIR HSYNC VSYNC
CHARACTER ROM ROM INTERFACE
H/VSYNC INTERFACE DOTCLK...
