TDA4651 Datasheet, PDF (4/15 Pages) NXP Semiconductors – Multistandard colour decoder with negative colour difference output signals

Philips Semiconductors
Multistandard colour decoder with negative
colour difference output signals
PINNING
SYMBOL
−(R−Y)_o
−(R−Y)_DE
−(B−Y)_o
−(B−Y)_DE
−(B−Y)_CL
−(R−Y)_CL
SEC_REF
GND
CHR₂
V_P
C_DC
PIN
DESCRIPTION
1 −(R−Y) output
2 (R−Y) de-emphasis
3 −(B−Y) output
4 (B−Y) de-emphasis
5 (B−Y) clamping
6 (R−Y) clamping
7 SECAM reference tuned circuit
8
9
10
11 ground
12 DC for ACC
13 supply voltage
14 DC feedback
CHR₁
C_ACC
HUE
PLL
OSC1
C_PLL
OSC2
N_IDENT
P_IDENT
SSC
N₀₁
N₀₂
SEC₀
PAL₀
Preliminary specification
TDA4651
15 chrominance input
16 automatic colour control
17 hue control
18 PLL time constant
19 input for 7.15 MHz oscillator
20 PLL DC reference
21 input for 8.86 MHz oscillator
22 NTSC identification
23 PAL/SECAM identification
24 super sandcastle pulse input
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.
August 1993
Fig.3 Pin configuration for PLCC package.
4