TB1254N

 TENTATIVE TOSHIBA Bi-CMOS INTEGRATED CIRCUIT, SILICON MONOLITHIC
  TB1254N PAL / NTSC / SECAM 1CHIP (IF+VCD PROCESSOR) IC The TB1254N is a TV signal processor IC, which contains PIF, SIF, Video, Chroma and deflection signal processors for worldwide Multi-color systems. Also, it has AV switch for TV/EXT inputs. The line-up and flexibility of this TB1251 series contributes to reduce development costs and components in a TV sets. SDIP56-P-600 Weight: 5.55g (typ) FEATURES IF STAGE
Multi-system IF
SIF 4.5 ~ 6.5 MHz
One External BPF for Multi-SIF carrier
Inter carrier inputs
VCO tank coil alignment free
for L system, Positive demodulation V low Ch TEXT STAGE
Built-in AKB AKB on/off AKB Color temperature control
Analog RGB interfaces
ABL / ACL DEFLECTION STAGE
Built-in H-VCO
ramp distortion correction
Stand Along Sync in port
Sand Castle Pulse Output (HD+VD+Gate Pulse) AV SWITCH
VIDEO STAGE
Built-in Y delay line (8 adjustable steps)
Built in C trap filter (Switchable) CHROMA STAGE
Multi-color Demoduration
Automatic Chroma Identification
1 Xtal for Multi-color Systems (3.58MHz/4.43MHz/M-PAL/N-PAL)
Built-in1H Delay line
Cb/Cr input ports
Built-in BPF / TOF
Fsc Output
Two NTSC demodulation phase
Visual TV / EXT inputs Audio TV / EXT inputs


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