CXD1257AR
CCD Camera Timing Generator
Description
The CXD1257AR generates the timing pulses
required by the CCD image sensors as well as signal
processing circuits.
Features
•
NTSC and PAL compatible
•
Electronic shutter function
•
H-driver
•
Compatible with digital and analog camera systems
•
Standby function
Applications
CCD cameras
Structure
Silicon gate CMOS IC
Applicable CCD Image Sensors
ICX026CKA, ICX027CKA
ICX054AK, ICX055AK
ICX056AK
Block Diagram
62
64 pin LQFP (Plastic)
Absolute Maximum Ratings
(Ta = 25°C)
•
Supply voltage
V
DD
Vss – 0.5 to +7.0
•
Input voltage
V
V
I
Vss – 0.5 to V
DD
+ 0.5 V
•
Output voltage
V
O
Vss – 0.5 to V
DD
+ 0.5 V
•
Operating temperature Topr
–20 to +75
°C
•
Storage temperature
Tstg
–55 to +150
°C
Recommended Operating Conditions
•
Supply voltage
V
DD
5.0 ± 0.25
•
Operating temperature Topr
–20 to +75
V
°C
V
SS
8 21 28 40
V
DD
24 25 56
15 16 17 18 19 20
60
VD INITIALIZE
MODE
SET
11
12
13
14
SYNC
GEN
59
57
63
64
1
HD INITIALIZE
ADR . COUNT
1/2
H – ROM
LATCH
ADR . COUNT
V – ROM
LATCH
ADR . COUNT
23
ROG – ROM
LATCH
GATE
36
2
41
42
43
44
45
46
22
37
38 39
26 27
3
10 47 48 49 50 51 52 53
54 29
30 31 32 33 34 35 58 55
4
GATE
GATE
CONTROLLER
61
HTSG
HIGH-SPEED
PULSE
GENERATION
CIRCUIT
DRIVER
DECODER
GATE
COUNTER
SHUT
ROM
DECODER
5
6
7
9
MICROCOMPUTER
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.
–1–
E91817B4X-PK
SONY [ SONY CORPORATION ]
