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PDF CXD2450R Data sheet ( Hoja de datos )
| Número de pieza | CXD2450R | |
| Descripción | Timing Generator for Progressive Scan CCD Image Sensor | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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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
1 page  
CXD2450R
Electrical Characteristics
DC Characteristics
(Within the recommended operating conditions)
Item
Pins Symbol
Conditions
Min.
Supply voltage 1 VDD2
VDDa
3.0
Supply voltage 2 VDD3
VDDb
3.0
Supply voltage 3 VDD4
VDDc
3.0
Supply voltage 4 VDD1, VDD5, VDD6 VDDd
3.0
Supply voltage 5 VH
VH
14.5
Supply voltage 6 VM
VM
—
Supply voltage 7 VL
VL
–6.0
RST, DSGAT,
Input voltage 1∗1 SSI, SSK, SEN,
VIH1
FRI, HRI
VIL1
0.8VDDd
∗1 , ∗2
Input voltage 2 EBCKSM
VIH2
VIL2
0.8VDDd
Input voltage 3∗2 TEST
VIH3
VIL3
0.7VDDd
Output voltage 1 RG
VOH1 Feed current where IOH = –3.3mA VDDa – 0.8
VOL1 Pull-in current where IOL = 2.4mA
Output voltage 2 H1, H2
VOH2 Feed current where IOH = –10.4mA VDDb – 0.8
VOL2 Pull-in current where IOL = 7.2mA
XSHP, XSHD,
Output voltage 3 XRS, PBLK,
XCLPDM
VOH3 Feed current where IOH = –3.3mA VDDc – 0.8
VOL3 Pull-in current where IOL = 2.4mA
Output voltage 4
3/2MCK, MCK,
CLD
VOH4
VOL4
Feed current where IOH = –10.4mA VDDd – 0.8
Pull-in current where IOL = 7.2mA
Output voltage 5 1/2MCK
VOH5 Feed current where IOH = –3.3mA VDDd – 0.8
VOL5 Pull-in current where IOL = 2.4mA
Output voltage 6
XCLPOB, ID,
WEN
VOH6 Feed current where IOH = –2.4mA VDDd – 0.8
VOL6 Pull-in current where IOL = 4.8mA
Output voltage 7 FRO, HRO
VOH7 Feed current where IOH = –3.6mA VDDd – 0.8
VOL7 Pull-in current where IOL = 7.2mA
Output voltage 8 VSUB
VOH8 Feed current where IOH = –4.0mA VH – 0.25
VOL8 Pull-in current where IOL = 5.4mA
Output voltage 9 V1, V3
VOM9 Feed current where IOM = –5.0mA VM – 0.25
VOL9 Pull-in current where IOL = 10.0mA
VOH10 Feed current where IOH = –7.2mA VH – 0.25
Output voltage
10
V2a, V2b
VOM101 Pull-in current where IOM = 5.0mA
VOM102 Feed current where IOM = –5.0mA VM – 0.25
VOL10 Pull-in current where IOL = 10.0mA
∗1 These input pins do not have protective diodes on the internal power supply side.
∗2 These input pins have internal pull-down resistors.
∗3 The above table indicates the condition for 3.3V drive of low voltage drive blocks.
Typ.
3.3
3.3
3.3
3.3
15.0
0.0
–5.5
Max. Unit
3.6 V
3.6 V
3.6 V
3.6 V
15.5 V
—V
–5.0 V
V
0.2VDDd V
0.2VDDd
V
V
0.3VDDd
V
V
V
0.4 V
V
0.4 V
V
0.4 V
0.4
0.4
0.4
0.4
VL + 0.25
VL + 0.25
VM + 0.25
VL + 0.25
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
–5–
5 Page 
CXD2450R
6) FRI and HRI loading characteristics
FRI, HRI
MCK
0.2VDDd
ts5
0.8VDDd
0.2VDDd
th5
MCK load capacitance = 10pF
(Within the recommended operating conditions)
Symbol
Definition
Miin. Typ. Min. Unit
ts5 FRI and HRI setup time, activated by the rising edge of MCK 10
th5
FRI and HRI hold time, activated by the rising edge of MCK
0
ns
ns
7) Output timing characteristics using DSGAT
DSGAT
H1, H2, RG, XSHP, XSHD, XRS,
PBLK, XCLPDM, XCLPOB, CLD
0.2VDDd
0.2VDDd
tpDSGAT
However, V2a, V2b and VSUB are fixed to the voltage level applied to the VH pin, and V1 and V3 are fixed to
the voltage level applied to the VM pin.
H1 and H2 load capacitance = 100pF, RG load capacitance = 20pF,
XSHP, XSHD, XRS, PBLK, XCLPDM, XCLPOB and CLD load capacitance = 10pF
(Within the recommended operating conditions)
Symbol
Definition
tpDSGAT Time until the above outputs go low after the fall of DSGAT
Miin. Typ. Min. Unit
100 ns
8) Output variation characteristics
MCK
0.8VDDd
WEN, ID
tpd2
WEN and ID load capacitance = 10pF
(Within the recommended operating conditions)
Symbol
tpd2
Definition
Time until the above outputs change after the rise of MCK
Miin. Typ. Min. Unit
20 40 ns
– 11 –
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CXD2450R.PDF ] | |
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