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PDF AMIS-710400-A4 Data sheet ( Hoja de datos )
| Número de pieza | AMIS-710400-A4 | |
| Descripción | CIS Module | |
| Fabricantes | AMI SEMICONDUCTOR | |
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AMIS-710400-A4: 400dpi CIS Module
Data Sheet
1.0 General Description
The AMIS-710400-A4 (PI400M-A4) is a contact image sensor (CIS) module. It is a long contact image sensor, using MOS image
sensor technology for high-speed performance and high sensitivity. The AMIS-710400-A4 is suitable for scanning A4 size (216mm)
documents with 15.7 dots per millimeter (dpm) resolution. Applications include document scanning, mark readers, gaming and office
automation equipment.
2.0 Key Features
• Light source, lens and sensor are integrated into a single module
• 15.7dpm resolution, 216mm scanning length
• 700µsec/line scanning speed @ 5.0MHz clock rate
• Wide dynamic range
• Analog output
• Yellow-Green light source 575nm
• Compact size ≅14.6mm x 19.5mm x 232mm
• Low power
• Light weight
3.0 Functional Description
The AMIS-710400-A4 imaging array consists of 27 sensors, which are cascaded to provide 3456 photo-detectors with their associated
multiplex switches and a digital shift register, which controls its sequential readout. Mounted in the module is a one-to-one graded
indexed micro lens array, which focuses the scanned documents to image onto its sensing plane. The on-board amplifier processes the
video signal to produce a sequential stream of video at the video output pin of the AMIS-710400-A4 module.
Illumination is accomplished by means of an integrated LED light source. All components are housed in a small plastic housing, which
wwhwa.sDaatacSohveeertg4Ula.scso,mwhich acts as the focal point for the object being scanned and protects the imaging array, micro lens assembly and
LED light source from dust. I/O to the module is the 10-pin connector located on one end of the module (see Figure 4). The cross
section of the AMIS-710400-A4 is shown in Figure 1 and the block diagram in Figure 2.
AMI Semiconductor – July 06, M-20587-001
www.amis.com
1
1 page  
AMIS-710400-A4: 400dpi CIS Module
8.0 Switching Characteristics (25°C)
Data Sheet
Figure 3: Module Timing Diagram
The switching characteristics (at 25°C) for the I/O clocks are shown in Figure 3. For the timing symbol definitions see Table 6.
Table 6: Timing Symbol's Definition and Timing Values
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Symbol
Min.
Typ.
Max.
Units
Clock cycle time
to 0.20
2.0 µs
Clock pulse width
tw 50
ns
Clock duty cycle
Prohibit crossing time of SP(1)
tprh
25
0
75 %
ns
Data setup time
tds 20
ns
Data hold time
tdh 0
ns
Signal delay time
tdl 20
ns
Signal settling time
tsh 100
ns
Note:
"Prohibit crossing of start pulse" is to indicate that the start pulse should not be active high between any two consecutive high going clock pulses or two consecutive low going
clock pulses (see Figure 3). Only one high going clock under the active high start pulse initiates the internal shift register, and it must not be active over two high going clocks.
All low going clock pulses will not initiate the shift register, but to ensure that the start pulse will not be actively high during two consecutive high going clocks, the circuit should
be designed to keep the start pulse active only for one low going clock cycle.
AMI Semiconductor – July 06, M-20587-001
www.amis.com
5
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