TB1254N Datasheet, PDF (1/58 Pages) Toshiba Semiconductor – PAL / NTSC / SECAM 1CHIP (IF+VCD PROCESSOR) IC


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
VIDEO STAGE

Built-in Y delay line (8 adjustable steps)

Built in C trap filter (Switchable)
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)
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
AV SWITCH

Visual TV / EXT inputs

Audio TV / EXT inputs

TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless,
semiconductor devices in general can malfunction or jail due to their inherent electrical sensitivity and
vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to
observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could
cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that
TOSHIBA products are used within specified operating range as set forth in the most recent products specifications.
Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability
Handbook.

The products described in this document are subject to foreign exchange and foreign trade control laws.

The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of
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