TDA4650 Datasheet, PDF (4/13 Pages) NXP Semiconductors – Multistandard colour decoder, with negative colour difference output signals

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
SEC_REF 7
SEC_REF 8
SEC_REF 9
SEC_REF 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
C_D
12 DC for demodulators
V_P
13 supply voltage
C_DC
14 DC feedback
PIN CONFIGURATIONS
SYMBOL PIN
DESCRIPTION
CHR_I
C_ACC
HUE
15 chrominance input
16 automatic colour control
17 hue control
PLL
18 PLL time constant
OSC1 19 input for 7.15 MHz oscillator
C_PLL
OSC2
20 PLL DC reference
21 input for 8.86 MHz oscillator
N_IDENT
P_IDENT
SSC
22 NTSC identification
23 PAL/SECAM identification
24 super sandcastle pulse input
N_O1
N_O2
SEC_o
PAL_o
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