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Sony Semiconductor Electronic Components Datasheet

CXD2450R Datasheet

Timing Generator for Progressive Scan CCD Image Sensor

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CXD2450R pdf
CXD2450R
Timing Generator for Progressive Scan CCD Image Sensor
Description
The CXD2450R is a timing generator IC which
generates the timing pulses for performing progressive
scan readout for digital still camera and personal
computer image input applications using the
ICX098AK CCD image sensor.
This chip has a built-in vertical driver.
48 pin LQFP (Plastic)
Features
Base oscillation frequency 36.81MHz (2340fH)
Monitoring readout allowed
High-speed/low-speed electronic shutter function
Horizontal driver for CCD image sensor
Vertical driver for CCD image sensor
Signal processor IC system clock generation
1170fH, 780fH
Vertical/horizontal sync (SSG) timing generation
Applications
Digital still cameras
Personal computer image input
Structure
Silicon gate CMOS IC
Pin Configuration
36 35 34 33 32 31 30 29 28 27 26 25
DSGAT 37
24 VDD5
MCK 38
23 3/2MCK
VM 39
22 1/2MCK
V1 40
21 PBLK
V3 41
20 VSS4
V2a 42
19 XRS
VH 43
18 XSHD
V2b 44
17 XSHP
VSUB 45
16 VDD4
VL 46
15 XCLPDM
OSCO 47
14 VDD3
OSCI 48
13 H2
1 2 3 4 5 6 7 8 9 10 11 12
Absolute Maximum Ratings
Supply voltage VDD VSS – 0.5 to +7.0 V
VM VL – 0.5 to +26.0 V
VH VL – 0.5 to +26.0 V
VL VL – 0.5 to +26.0 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
VDDa, VDDb, VDDc, VDDd 3.0 to 3.6
VM 0.0
VH 14.5 to 15.5
VL –5.0 to –6.0
Operating temperature
Topr
–20 to +75
V
V
V
V
°C
Applicable CCD Image Sensors
ICX098AK (Type 1/4 CCD)
Groups of pins enclosed in the figure indicate sections for which power supply separation is possible.
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–
E97819A9X


Sony Semiconductor Electronic Components Datasheet

CXD2450R Datasheet

Timing Generator for Progressive Scan CCD Image Sensor

No Preview Available !

CXD2450R pdf
Block Diagram
CXD2450R
OSCI
48
OSCO 47
3MCK
1
3/2MCK 23
1/2MCK 22
CLD 35
MCK 38
VDD1 6
VDD5 24
VDD6 26
VSS1 2
VSS5 36
14 12 13 11 8 9 10 16 17 18 19 20
1/3
1/2
1/2
HRI
differential
Latch
Pulse Generator
SSG
1/390
1/2
1/525
31 32
Latch
V Driver
Register
33 34
27 28 29 30 37 25 5
21 PBLK
15 XCLPDM
7 XCLPOB
4 ID
3 WEN
40 V1
42 V2a
44 V2b
41 V3
45 VSUB
43 VH
39 VM
46 VL
–2–


Part Number CXD2450R
Description Timing Generator for Progressive Scan CCD Image Sensor
Maker Sony Corporation
Total Page 30 Pages
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