CXD1257AR Datasheet, PDF (1/18 Pages) Sony Corporation – CCD Camera Timing Generator

CXD1257AR
CCD Camera Timing Generator
Description
The CXD1257AR generates the timing pulses
required by the CCD image sensors as well as signal
processing circuits.
64 pin LQFP (Plastic)
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
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
5.0 ± 0.25
V
• Operating temperature Topr –20 to +75 °C
Block Diagram
SYNC
GEN
VSS
8 21 28 40
VDD
24 25 56
15 16 17 18 19 20
62
VD INITIALIZE
60
HD INITIALIZE
59
MODE
SET
11
12
13
14
57
ADR . COUNT ADR . COUNT ADR . COUNT
63
1/2
23
64
H – ROM
V – ROM
ROG – ROM
36
1
GATE
LATCH
LATCH
LATCH
2
41
GATE
GATE
CONTROLLER
42
43
44
HIGH-SPEED DRIVER
DECODER
45
PULSE
46 ^GENERATION
CIRCUIT
22
GATE
COUNTER
SHUT
ROM
DECODER
37
61 HTSG
4
5 MICROCOMPUTER
6
7
9
38 39
26 27 3 10 47 48 49 50 51 52 53 54 29 30 31 32 33 34 35 58 55
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.
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E91817B4X-PK