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| 型號： | AMIS-720658 |
| 英文描述： | Contact Image Sensor |
| 中文描述： | 接觸式圖像傳感器 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 560K |
| 代理商： | AMIS-720658 |
AMIS-720658: Contact Image Sensor
Data Sheet
8.0 Timing Requirements
Table 5 lists the timing requirements for the 600 and 300dpi modes, and their associated timing diagrams are shown in Figures 4-10. All
measurements were taken at a pixel rate of 3 MHz, integration time of 2ms, Vout of 0.7V, no resistive load on Vout and with a
capacitive load of 50pf on Vout to ground.
Table 5: Timing Requirements
Parameter
Symbol
Min.
Typ.
Clock (CLK) period
CLKp
330
Clock (CLK) pulse width
CLKpw
165
Clock (CLK) duty cycle
50
Data setup time
Tset
20
Data hold time
(1)
Thold
25
Clock (CLK) rise time
(2)
CLKrt
35
Clock (CLK) fall time
(2)
CLKft
30
End-of-scan (SO) rise time
(2)
SOrt
50
End-of-scan (SO) fall time
(2)
SOft
50
Global start (GBST) rise time
(3)
GBSTrt
35
Global start (GBST) fall time
(3)
GBSTft
30
Pixel transition time
ptt
155
Notes:
1.
The shift register will load on all falling CLK edges, so setup and hold times (Tset, Thold) are needed to prevent the loading of multiple start pulses. This would occur if
the GBST remains high during two fallings edges of the CLK signal. See Figure 7.
2.
SI starts the register scanning and the first active pixel is read out on the 83
clock of the CLK signal. However, when multiple sensors are sequentially scanned, as in
CIS modules, the SO from the predecessor sensor becomes the SI to the subsequent sensor, hence the SI clock = the SO clock.
3.
As discussed under the third unique feature, the GBST starts the initialization process and preprocesses all sensors simultaneously in the first 82 clock cycles before the
first pixel is scanned onto the video line from the first sensor.
4.
The transition between pixels does not always reach the dark offset level as shown in the timing diagrams, see Vout. The timing diagrams show the transition doing so
for illustration purposes; however a stable pixel sampling point does exist for every pixel. The pixel transition time (ptt) shows the time when you cannot sample the pixel.
Max.
Units
ns
ns
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
AMI Semiconductor
– Jul 06, M-20503-007
www.amis.com
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| AMIS-721250 | Contact Image Sensor |
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相關(guān)代理商/技術(shù)參數(shù) |
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| AMIS-721250 | 制造商:AMI 制造商全稱:AMI 功能描述:Contact Image Sensor |
| AMIS-722402 | 制造商:AMI 制造商全稱:AMI 功能描述:Contact Image Sensor |
| AMIS-732128 | 制造商:AMI 制造商全稱:AMI 功能描述:50レm-pitch Wide Aperture Spectroscopic Photodiode Arrays |
| AMIS-732256 | 制造商:AMI 制造商全稱:AMI 功能描述:50レm-pitch Wide Aperture Spectroscopic Photodiode Arrays |
| AMIS-732512 | 制造商:AMI 制造商全稱:AMI 功能描述:50レm-pitch Wide Aperture Spectroscopic Photodiode Arrays |
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