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PDF UPD8884A Data sheet ( Hoja de datos )
| Número de pieza | UPD8884A | |
| Descripción | COLOR CCD LINEAR IMAGE SENSOR | |
| Fabricantes | NEC | |
| Logotipo |  |
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DATA SHEET
MOS INTEGRATED CIRCUIT
μ PD8884A
(10680 PIXELS × 4 LINES) × 3 COLOR CCD LINEAR IMAGE SENSOR
DESCRIPTION
The μ PD8884A is a color CCD (Charge Coupled Device) linear image sensor which changes optical images to
electrical signal and has the function of color separation.
The μ PD8884A has 3 rows of (10680 × 4) staggered pixels, and each row has a dual-sided readout-type charge
transfer register. And it has reset feed-through level clamp circuits and voltage amplifiers. Therefore, it is suitable for
4800 dpi/A4 color image scanners.
FEATURES
• Valid photocell : (10680 pixels × 4) × 3
• Photocell’s size : 4 μ m
• Line spacing : Quad staggered pixels
• Color filter
96 μ m (24 lines) Red line - Green line, Green line - Blue line
: Primary colors (red, green and blue), pigment filter (with light resistance 107 lx•hour)
• Resolution
: 192 dot/mm A4 (210 × 297 mm) size (shorter side)
4800 dpi US letter (8.5” × 11”) size (shorter side)
• Drive clock level : CMOS output under 5 V operation
• Data rate
: 5.0 MHz Max.
• Power supply : +12 V
• On-chip circuits : Reset feed-through level clamp circuits
Voltage amplifiers
ORDERING INFORMATION
Part Number
Package
μ PD8884ACY-A
CCD linear image sensor 32-pin plastic DIP (10.16 mm (400))
Remark The μ PD8884ACY-A is a lead-free product.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. S17546EJ1V0DS00 (1st edition)
Date Published May 2005 NS CP (K)
Printed in Japan
2005
1 page  
μ PD8884A
PHOTOCELL ARRAY STRUCTURE DIAGRAM-1 (Line spacing)
4 μm
4 μm
4 μm
4 μm
Resolution Select
4 μm
4 μm
4 μm
4 μm
4 μm
Resolution Select
4 μm
4 μm
4 μm
4 μm
4 μm
Resolution Select
4 μm
Drain gate
Blue photocell array
CCD analog shift register
Blue photocell array
Blue photocell array
CCD analog shift register
Blue photocell array
Drain gate
Drain gate
Blue photocell array
CCD analog shift register
Blue photocell array
Blue photocell array
CCD analog shift register
Blue photocell array
Drain gate
Drain gate
Blue photocell array
CCD analog shift register
Blue photocell array
Blue photocell array
CCD analog shift register
Blue photocell array
Drain gate
(33.5 μ m)
2 lines
(8 μ m)
(33.5 μ m)
24 lines
(96 μ m)
(21 μ m)
(33.5 μ m)
2 lines
(8 μ m)
(33.5 μ m)
24 lines
(96 μ m)
271 μ m
(21 μ m)
(33.5 μ m)
2 lines
(8 μ m)
(33.5 μ m)
PHOTOCELL ARRAY STRUCTURE DIAGRAM-2 (Dummy, OB, for each color)
4800 dpi
Dummy
(160 pixels)
Optical black
(192 pixels)
Invalid photocell
(16 pixels)
Valid photocell
(42720 pixels)
Invalid photocell
(8 pixels)
2 158 162
350 354 358 362 366 370 374
43082 43086
2400 dpi
1
3
157 161
159 163
349 353 357 361 365 369 373
351 355 359 363 367 371 375
43081 43085
43083 43087
4800 dpi
4
160 164
352 356 360 364 368 372 376
43084 43088
Data Sheet S17546EJ1V0DS
5
5 Page 
TIMING CHART 1-3 (1200 dpi, for each color)
φ TG1 to φ TG3
φ1
φ2
φ RB
Note
φ CLB
φ SEL1 “L”
φ SEL2 “L”
φ SEL3 “L”
Storage time
VOUT1 to VOUT3
Optical black
(48 pixels)
Note Set the φ RB and the φ CLB to high level during this period.
Invalid photocell
(4 pixels)
Valid photocell
(10680 pixels)
Invalid photocell
(2 pixels)
Note
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet UPD8884A.PDF ] | |
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