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AMI SEMICONDUCTOR

AMIS-720639 Datasheet Preview

AMIS-720639 Datasheet

Image Sensor

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AMIS-720639: 600dpi CIS Sensor Chip
Data Sheet
1.0 Description
AMI Semiconductor’s AMIS-720639 (PI3039) contact image sensor (CIS) sensor chip is a linear array image sensor chip with a 600
elements per inch resolution. The sensor chip is fabricated with AMI Semiconductor’s proprietary CMOS image sensing technology.
Since this image sensor chip is intended for CIS module applications, multiple numbers of these sensors will be serially cascaded to
form a linear scanning image array of arbitrary length. These sensors are butted end-to-end on a printed circuit board (PCB). The
sensors are mounted using the chip-on-board technology to form scanning arrays with various lengths.
Figure 1: AMIS-720639 Sensor Block Diagram
Figure 1 is a block diagram of the sensor chip. Each sensor chip consists of 192 detector elements, their associated multiplexing
switches, buffer amplifiers and a chip selector. The detector's element-to-element spacing is approximately 42µm. The size of each
chip without the scribe lines is 8080µm by 360µm and each sensor chip has six bonding pads. The pad symbols and functions are
described in Table 1.
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Table 1: Pad Symbols and Functions
Symbol
SP
Function
Start pulse: input to start the line scan
CP Clock pulse: input to clock the shift register
VDD
Positive supply: +5V supply connected to substrate
VSS
IOUT
VSS is tied to ground: connection topside common
Video signal current output from a source follower
EOS
End-of-scan pulse: output from the shift register at end-of-scan
AMI Semiconductor – May 06, M-20569-001
www.amis.com
1




AMI SEMICONDUCTOR

AMIS-720639 Datasheet Preview

AMIS-720639 Datasheet

Image Sensor

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AMIS-720639: 600dpi CIS Sensor Chip
Data Sheet
Figure 2: Bonding Pad Layout Diagram:
Figure 2 shows the bonding pad locations for the AMIS-720639 sensor chip. The locations are referenced to the lower left corner of the
die.
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AMI Semiconductor – May 06, M-20569-001
www.amis.com
2


Part Number AMIS-720639
Description Image Sensor
Maker AMI SEMICONDUCTOR
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