Sony CXD1217Q Datasheet
Synchronizing Signal Generator for Video Camera
Description
The CXD1217Q is a synchronizing signal generator
for color video cameras.
Features
• Compatible with the respective systems, NTSC,
PALM, PAL and SECAM
• Output is synchronized with the clock of 910fH or
908fH
• 25Hz offset processing by PAL system
• Color framing by the respective systems, NTSC,
PALM and PAL
• Possible external synchronization by H reset, V
reset and line alternate reset pins
Applications
Synchronizing signal generator for color video
cameras
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage VDD VSS – 0.5 to +7.0 V
• Input voltage VI VSS – 0.5 to VDD + 0.5 V
• Output voltage VO VSS – 0.5 to VDD + 0.5 V
• Operating temperature Topr –20 to +75 °C
• Storage temperature Tstg –55 to +150 °C
Recommended Operating Conditions
• Supply voltage VDD 4.5 to 5.5 V
• Operating temperature Topr –20 to +75 °C
– 1 –
E90806A79-PS
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
CXD1217Q
32 pin QFP (Plastic)
– 2 –
CXD1217Q
2
3
4
5
6
7
12
14
19
20
21
22
24
26
28
V
DD
OVD
OHD
OLALT
OBLK
OFLD
OSYNC
OBF/COLB
OFLD1
TEST
O2FH
OSC
EXT
MODE1
MODE2
HCOMOUT
CLOUT
CLIN
OFH
V
SS
10
4fscIN
4fscOUT
1/4
1/9 1/101
f
H
CLOCK
ELIMINATION
1/7 1/81 1/2
2f
H PAL
PALM
f
H
PAL
PALM
1/4
SC
RESET
PAL
PALM
fv/2
f
H
1/625
1/525
PAL
1/625, 1/525
fv/8
INT-NTSC
INTNTSC
SC
RESET
1/4
1/454, 1/455 1/625, 1/525
2fH
FIELD 1
RESET
1/2
OUTPUT F.F.
VRI
VERTICAL
RESET
23
HRI
HORIZONTAL
RESET
LINE
ALTERNATE
RESET
15
LALTRI
DECODE
fH
Note) Pin 17 output is (a) a signal based on Pin 24 in INT mode at NTSC.
(b) each signal is based on Pin 8 in other modes.
PHASE
COMPARISON
COMPOSITE SIGNAL
CONTROL F.F.
13
18
29
17
30
31
8
Block Diagram and Pin Configuration
– 3 –
CXD1217Q
Pin Description
Pin No.
Symbol I/O Description
Composite sync output
Even and Odd output
Composite blanking output
Line alternate output
Horizontal drive output
4fsc output
4fsc input
Vertical drive output
GND pin
Line alternate reset input
Test input
2fH output (Double the frequency of Pin 27)
Sub carrier output
Internal and external synchronizing modes switchover
L: Internal synchronization H: External synchronization
System selecting input 1
System selecting input 2
Horizontal reset input
Phase comparator output
Clock output
Clock input
Horizontal frequency output
Power supply pin
Vertical reset signal
First field output
Burst flag/color blanking output
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
—
O
O
O
O
O
O
I
—
O
—
—
I
I
O
—
O
I
I
I
I
O
O
I
—
O
—
—
I
O
O
—
NC
OSYNC
OFLD
OBLK
OLALT
OHD
4fscOUT
4fscIN
NC
OVD
NC
VSS
LALTRI
TEST
O2FH
NC
OSC
EXT
MODE1
MODE2
HRI
HCOMOUT
CLOUT
CLIN
NC
OFH
NC
VDD
VRI
OFLD1
OBF/COLB
NC
– 4 –
CXD1217Q
Electrical Characteristics
DC characteristics (VDD = 5V ± 10%, VSS = 0V, Topr = –20 to +75°C)
Item
Output voltage 1
Output voltage 2
∗1
Output voltage 3
∗2
Input voltage
Input current
∗3
(Pull-down pin)
Output leak
current
∗1
Power current
supply
Feedback
resistance
∗4
Symbol Conditions
IOH = –2mA
IOL = 4mA
IOH = –4mA
IOL = 4mA
IOH = –4mA
IOL = 8mA
VIH = VDD
At high impedance
At output pin in no-load
VDD = 5V
Min.
VDD – 0.5
VSS
VDD – 0.5
VSS
VDD/2
0.7VDD
20
250k
50
±30
8
VDD
0.4
VDD
0.4
VDD/2
0.3VDD
120
2.5M
V
V
V
V
V
V
V
V
µA
nA
mA
Ω
Typ. Max. Unit
Item
Input pin
Output pin
Symbol
CIN
COUT
Conditions Min.
—
—
—
—
9
11
pF
pF
Typ. Max. Unit
∗1
HCOMOUT pin
∗2
4fscOUT and CLOUT pins
∗3
LALTRI, TEST, EXT, MODE1 and MODE2 pins
∗4
4fscOUT, 4fscIN, CLOUT and CLIN pins
I/O capacitance (VDD = VI = 0V, fM = 1MHz)
VOH
VOL
VOH
VOL
VOH
VOL
VIH
VIL
IIH
ILZ
IDD
RFB
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