z86131 ZiLOG Semiconductor, z86131 Datasheet - Page 58

• Manufacturer Part Number: z86131
• Description: Ntsc Line 21 Decoder
• Manufacturer: ZiLOG Semiconductor

Z86129/130/131
NTSC Line 21 Decoder
APPLICATION INFORMATION
The recommended schematic, component placement, and
PCB layout for a single sided DIP design are provided in
the following figures. EMI and noise in the video frequency
range is kept to an absolute minimum by running the ground
plane underneath the entire Z86129/130/131 package
length. This design is recommended for both SOIC and DIP
package styles. It is not presented in the following applica-
tion information, but SMS (pin 6) must be grounded for I
applications. Please contact ZiLOG, sales office in the
event that there is any incompatibility or question in the fol-
lowing information:
.
58
Component
Figure 40. Z86129 Application Circuit with I
C1 R2
C2
C4
CA1
CB1
R1
R2
R3
C1
C2
C3
C4
C5
U1
L1
I
2
C Bus
R3
C5
C3
14
13
15
4
6
5
9
8
7
VIDEO
SMS
CSYNC
SDA
V
SCK
SEN
HIN
LPF
Z86129
IN
V
Value
0.068
6800
bead
1
Z86129
SS
/INTRO
470
560
6.8
0.1
0.1
0.1
0.1
10
V
RREF
SS
11
SDO
BOX
VDD
(A)
R
G
B
18
17
12
10
2
3
CA1
Units
R1
TBD
KW
KW
N/A
L1
pF
pF
W
CB1
F
F
F
F
F
P R E L I M I N A R Y
+5V
2
C
2
C
.
Figure 42. Z86130/131 Application Circuit with I
C3
Figure 41. Z86129 Application Circuit with I
GN
SEN
HIN
SMS
VIDEO
BL
C7
C6
I
R4
2
C Bus
R5
C5
C4
14
13
15
4
9
8
7
6
VIDEO
INTRO
(PB)
SDA
SCK
SEN
SMS
LPF
CSYNC
I
2
Z86130/131
C3
C SEL VSS(A)
1
H SEL
XOUT
RREF
VDD
11
U1
XIN
DS007200-TVX0199
3
12
10
5
2
CA1
R3
Y1
+5V
L1
R1
RD
BOX
SDO
SCK
SDAOUT
V
VDD(+5V)
VSS
L1
CB1
IN
/INTRO
R2
+5V
C2
C1
ZiLOG
2
C
2
C