AMIS-710616-AS: CIS PCB
Product Specification
Data Sheet
1.0 General Description
This data sheet covers the AMIS-710616-AS (PI616MC-AS) specification.
CIS stands for contact image sensor. It is a one-dimension array of photosensitive elements, designed to image documents with a one-
to-one magnification ratio. The sensors are sequentially cascaded to form a one dimensional variable-length line array in multiple
integral numbers, hence providing the users with desired lengths.
The AMIS-710616-AS is one of these special length line-image arrays. It is configured with a total of eight sub-sections, each section
containing a sequential line of five array sensors, with its individual video output line. These eight video outputs are also referred to as
tapped outputs. They are all read out in parallel (see Figure 1). The eight sub-sections are sequentially cascaded to form the one-
dimensional array. It is fabricated on two printed circuit boards (PCB) referred to as sensor boards. Each sensor board contains four
sub-sections. The two sensor boards are cascaded in series to form a complete line image sensor of eight sub-sections with a total
read length of ≅ 325mm. Accordingly, each sensor board contains 20 each of AMIS-720639 (PI3039) image sensors, also a product of
AMIS. Hence, for both boards there are a total of eight parallel tapped outputs and 40 each of the AMIS-720639 image array sensors.
Each chip has 192 photo sensing cells, hence on one board there are 3840 cell sites and a total of 7680 cell sites for both boards. Each
cell site is a photo-detector, which possesses its own independent processing circuit. An associated on-chip digital shift register scans
and reads the video signal of each photo detector onto a common output video line. In sections of five sensors, these common output
video lines are individually brought out to the I/O connectors of the sensor boards. There are two connectors, one on each board, each
containing four video outputs. These connectors are connected via a cable to their respective amplifier boards (see Figure 2). The
schematic of the AMIS-710616-AS and its PCB mechanical outline drawing are attached to this data sheet.
2.0 Overview
The AMIS-710616-AS has ≈ 324.2mm read width. Its recommended line rate is 192µs/line at a 5.0MHz clock rate, but its minimum can
be as low as 160µs/line at its maximum clocking speed of 6.0MHz. Its sensor photo-site density is 23.25elements/mm. See AMI
Semiconductor’s AMIS-720639 data sheet, which covers the specifications on the imaging array sensor. Operationally, it requires only
the power supplies, +5V and –5V and two input clocks, one is the clock (CP), to operate the internal shift registers and the second is
the start pulse (SP), to initiate the output scan.
3.0 Scan Outline
Table 3-1: Scanning Outline
Item
Readable width
Specification
324.2mm
Note
Sensor photo-site density
Number of total active sensor photo-sites
Number of photo-sites per tap
23.25elements/mm
7680 elements
960
192µs/line
160µs/line
5.0MHz
Typical, tested @ 5.0MHz Clock
Minimum, tested @ 6.0MHz Clock
Typical
Total line read time = read time per section
Clock frequency
6.0MHz
Maximum
AMI Semiconductor – July 06, M-20595-001
1
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