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TDA4650WP

Multistandard colour decoder, with negative colour difference output signals

Philips Electronics 

Philips Semiconductors

Multistandard colour decoder, with

negative colour difference output signals

Preliminary specification

TDA4650

PINNING

SYMBOL PIN

DESCRIPTION

−(R-Y)o 1

−(R-Y)DE 2

−(B-Y)o 3

−(B-Y)DE 4

−(B-Y)CL 5

−(R-Y)CL 6

SECREF 7

SECREF 8

SECREF 9

SECREF 10

GND

11

−(R-Y) output

(R-Y) de-emphasis

−(B-Y) output

(B-Y) de-emphasis

(B-Y) clamping

(R-Y) clamping

SECAM reference tuned circuit

SECAM reference tuned circuit

SECAM reference tuned circuit

SECAM reference tuned circuit

ground

CD

12 DC for demodulators

VP

13 supply voltage

CDC

14 DC feedback

PIN CONFIGURATIONS

SYMBOL PIN

DESCRIPTION

CHRI

CACC

HUE

15 chrominance input

16 automatic colour control

17 hue control

PLL

18 PLL time constant

OSC1 19 input for 7.15 MHz oscillator

CPLL

OSC2

20 PLL DC reference

21 input for 8.86 MHz oscillator

NIDENT

PIDENT

SSC

22 NTSC identification

23 PAL/SECAM identification

24 super sandcastle pulse input

NO1

NO2

SECo

PALo

25 NTSC (4.43 MHz) identification

26 NTSC (3.58 MHz) identification

27 SECAM identification

28 PAL identification

Fig.2 Pin configuration for DIL

package

March 1991

Fig.3 Pin configuration for PLCC package.

4

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