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MC44251FNN/a960avaiTriple 8-Bit Video ADC Three-State Outputs
MC44251FNMOTN/a393avaiTriple 8-Bit Video ADC Three-State Outputs
MC44251FUMOTN/a2823avaiTriple 8-Bit Video ADC Three-State Outputs


MC44251FU ,Triple 8-Bit Video ADC Three-State OutputsBLOCK DIAGRAM OF ONE OF THE ADCsVDD(R)RTOP8 88Σ LATCHDATARMIDOUTPUTSRBOTCLOCKIbiasANALOG INPUTCLAMP ..
MC44353 ,MULTI.STANDARD AND PAL/NTSC MODULATOR ICsOrder this document by MC44353/D ! * *!!** ** * ** * ** *"* MULTI–STANDARDMC44353 – Multi–Stan ..
MC44354DW ,MULTI.STANDARD AND PAL/NTSC MODULATOR ICsOrder this document by MC44353/D ! * *!!** ** * ** * ** *"* MULTI–STANDARDMC44353 – Multi–Stan ..
MC44355DW ,MULTI.STANDARD AND PAL/NTSC MODULATOR ICsBlock DiagramV Mod Gnd Video In Snd Fil Snd TunCCA12 14 13 8 916V Mod Standby Peak Phase/CCClampWhi ..
MC44355DW ,MULTI.STANDARD AND PAL/NTSC MODULATOR ICsMAXIMUM RATINGS (Note 1)Rating Symbol Value UnitSupply Voltage V 7 VCCOperational Amplifier Output ..
MC44460 ,PICTURE-IN-PICTURE (PIP) CONTROLLERMAXIMUM RATINGSÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁRating Symbol Value UnitÁÁÁÁÁÁÁÁ ..
MC7812CD2TG , THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
MC7812CD2TR4 ,1A, 12V, Positive Voltage Regulatorincluding local, on−card regulation. These regulators employ internalcurrent limiting, thermal shut ..
MC7812CD2TR4G , THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
MC7812CDTRKG , THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
MC7812CT ,3-Terminal 1A Positive Voltage RegulatorMAXIMUM RATINGS (T = 25°C, unless otherwise noted.)ARating Symbol Value UnitInput Voltage (5.0 – 18 ..
MC7812CT-BP , Three-Terminal Positive Voltage Regulators


MC44251FN-MC44251FU
Triple 8-Bit Video ADC Three-State Outputs
Advance Information --
CMOS

The MC44251 contains three independent parallel analog–to–digital flash
converters (ADC). Each ADC consists of 256 latching comparators and an
encoder. Video may be ac or dc coupled. With ac coupling, input clamping
provides for internal dc restoration. The MC44251 also contains a dithering
generator for video processing performance enhancements.
The MC44251 is especially suitable as a front–end converter in TV–picture
digital processing (picture–in–picture, frame storage, etc.). The high speed
conversion rate of the ADC is suitable for video bandwidth of well over 6 MHz. 18 MHz Maximum Sampling Rate Three–State Output Buffers Output Latching Minimizes Skew Input Clamps Suitable for RGB and YUV Applications Built–In Dither Generator with Subsequent Digital Correction Single 5–Volt Power Supply Operating Temperature Range: – 40 to + 85°C VTN and HZ Input Threshold Hysteresis Built–In
RMID
MODE
VTN8
DATA
OUTPUTS
VDD(R)
SIMPLIFIED BLOCK DIAGRAM OF ONE OF THE ADCs
Order this document
by MC44251/D
-
SEMICONDUCTOR TECHNICAL DATA
NOTE:
The FN package is not
recommended for new designs.
It is scheduled for phase out
in late 1996.
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