BU2878FS
BU2878FS is On-screen Display manufactured by ROHM.
ures 1)10 line X 24 character display. 2)64 (BU2878FS) or 128 (BU2871FS) character types. 3)For each line, the character size can be selected as either 1X or 2 X . 4)Characteroutputfor posite video is white with black border. 5)Background color can be either white black or blue (black or white with PAL systems).
- A b s o l u t e maximum ratings (Ta=25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol
Vcc
6)Built-in synchronous separation circuit. 7)Built-in clamp circuit. 8)Built-in synchronous decision circuit. 9)patible With NTSC, PAL, PAL-M,and PAL-N. Noninterlace mode can be selected.
Limits
-0.3-7.0 750- -20-75 -50-150
Unit
V m W
Pd Topr Tstg
- e °c
# Reduced by 6.0m W for each increase in T a of 1°C over 25"C.
- R e c o m m e n d e d operating conditions (Ta=25°C) Parameter Power supply voltage Input voltage LC oscillator frequency X'lal oscillator frequency X'tal oscillator frequency
1 2
Symbol
Min.
Typ.
- Max.
Unit
Vdd
- Vdd
- fosc Xosc Xosc
MHz Hz Hz
2 t s c
4LSC
- 1 For NTSC.
- 2 For PAL, PAL-M, and PAL-N.
RDHm
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Multimedia ICs
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