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PDF PI3034A Data sheet ( Hoja de datos )
| Número de pieza | PI3034A | |
| Descripción | 200DPI CIS Sensor Chip | |
| Fabricantes | AMI SEMICONDUCTOR | |
| Logotipo |  |
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™ Peripheral
Imaging
Corporation
PI3034A
200DPI CIS Sensor Chip
Engineering Data Sheet
Description:
Peripheral Imaging Corporation PI3034A CIS sensor chip is a 200 dot per inch resolution
linear array image sensor chip, which uses PIC’s proprietary CMOS Image Sensing
Technology. This image sensor’s intended applications are to fabricate Contact Image Sensor,
CIS modules with various lengths. This is accomplished by mounting them on a printed circuit
board (PCB) through an end-to-end butting process. This process is generally referred to as
the chip-on-board technology. Its typical circuit implementation in an A4 size 1728 elements
CIS module is shown in a schematic diagram on page 6. The schematic demonstrates its
operational implementation and interfacing circuits. They are used in facsimile, scanner, check
reader, and office automation equipment.
Figure 1 is a block diagram of the sensor chip. Each sensor chip consists of 64 detector elements,
their associated multiplexing switches, buffers, and a chip selector. The detector element-to-element
spacing is approximately 125 um. The size of each chip without scribe lines is 7950 um by 290 um.
Each sensor chip has 6 bonding pads. The pad symbols and functions are described in Table 1.
7950 µm
1 2 3 4 Row of 64 Sensors 61 62 63 64
and Video Signal
Line Multiplexer
Read Out Shift Register
290
µm
Buffer
SI
Buffer
CLK VDD VSS
Chip
Select
SIG
Buffer
SO
Figure 1. PI3034A Sensor Chip Block Diagram
Page 1 of 7 - PI3034A, 06/15/03
1 page  
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Item
Clock cycle time
Clock pulse width(1)
Clock duty cycle
Data setup time
Data hold time
Prohibit crossing time(2)
EOS rise delay
EOS fall delay
Signal delay time(3)
Signal settling time(3)
Symbol
to
tw
tds
tdh
tprh
terdl
tefdl
tdl
tsh
Minimum
1000
250
25
50
20
Mean
50
30
60
70
100
200
Maximum
10000
75
Units
ns
ns
%
ns
ns
ns
ns
ns
ns
ns
Table 5. Timing Symbols and Definition
Notes:
1. Clock pulse width varies with frequency, as it was explained foregoing paragraphs.
2. Prohibit crossing time to insure that two start pulses are not locked into the shift register
during any single scan time.
3. Pixel delay times and settling time depend on the output amplifier. The numbers, which are
given, are measured with an EL2044 amplifier. The faster the amplifier, the faster the signal
will respond. In other words, faster rise and settle times are faster.
Output Circuits for Video Signal
The circuit in following page shows the PI3034A in a CIS module application. It also serves not only a
reference for the above operational explanation given in note 3 under Table 2. Electro-Optical
Characteristics; it further exemplifies a method for interfacing the device in developing a 1728 element,
A4 size CIS module.
Page 5 of 7 - PI3034A, 06/15/03
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