NJM2256
-1-
Ver.2004-02-17
NJM2256M
VIDEO COLOR SUPERIMPOSER
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GENERAL DESCRIPTION
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PACKAGE OUTLINE
NJM2256 is the multi-functional color super-imposer IC for videobase
band (Y, R-Y, B-Y), Various type of Y, R-Y, B-Y output signals can bemade
by the digital controlled signals.
The signal control at the base band, made it possible on operation with
less extermal parts, as well as for non adjustment on operation.
NJM2256 can be operated much higher switching speed comparing to
NJM2247.
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FEATURES
● 5V single Power Supply
● 8 Types Color Super-imposer
● Burst Flag Insert Function
● Y Inversion, C Inversion Function
● NTSC / PAL Matching
● Non Operational Adjustment
● Less External Parts
● Higher switching speed can be made comparing to NJM2247
● Package Outline DMP20
● Bipolar Technology
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RECOMMENDED INPUT CONDITIONS
● Y Signal 0.7V
P
- P
● R-Y Signal 1.0V
P - P
● B-Y Signal 0.7V
P - P
● Control Voltage
● Low Level 0 to 0.25V
● High Level 4.75 to 5V
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PIN CONFIGURATION
NJM2256M
