Cautions Keep safety first your circuit designs! Renesas Technolo

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Cautions Keep safety first your circuit designs! Renesas Technolo

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Cautions
Keep safety first your circuit designs! Renesas Technology Corporation puts maximum effort into making semiconductor products better more reliable, there always possibility that trouble occur with them. Trouble with semiconductors lead personal injury, fire property damage. Remember give consideration safety when making your circuit designs, with appropriate measures such placement substitutive, auxiliary circuits, (ii) nonflammable material (iii) prevention against malfunction mishap. Notes regarding these materials These materials intended reference assist customers selection Renesas Technology Corporation product best suited customer's application; they convey license under intellectual property rights, other rights, belonging Renesas Technology Corporation third party. Renesas Technology Corporation assumes responsibility damage, infringement third-party's rights, originating product data, diagrams, charts, programs, algorithms, circuit application examples contained these materials. information contained these materials, including product data, diagrams, charts, programs algorithms represents information products time publication these materials, subject change Renesas Technology Corporation without notice product improvements other reasons. therefore recommended that customers contact Renesas Technology Corporation authorized Renesas Technology Corporation product distributor latest product information before purchasing product listed herein. information described here contain technical inaccuracies typographical errors. Renesas Technology Corporation assumes responsibility damage, liability, other loss rising from these inaccuracies errors. Please also attention information published Renesas Technology Corporation various means, including Renesas Technology Corporation Semiconductor home page (http://www.renesas.com). When using information contained these materials, including product data, diagrams, charts, programs, algorithms, please sure evaluate information total system before making final decision applicability information products. Renesas Technology Corporation assumes responsibility damage, liability other loss resulting from information contained herein. Renesas Technology Corporation semiconductors designed manufactured device system that used under circumstances which human life potentially stake. Please contact Renesas Technology Corporation authorized Renesas Technology Corporation product distributor when considering product contained herein specific purposes, such apparatus systems transportation, vehicular, medical, aerospace, nuclear, undersea repeater use. prior written approval Renesas Technology Corporation necessary reprint reproduce whole part these materials. these products technologies subject Japanese export control restrictions, they must exported under license from Japanese government cannot imported into country other than approved destination. diversion reexport contrary export control laws regulations Japan and/or country destination prohibited. Please contact Renesas Technology Corporation further details these materials products contained therein.
HD74HC292/HD74HC294
Programmable Frequency Divider/Digital Timer
ADE-205-486 1st. Edition Sep. 2000 Description
This device divides incoming clock frequency number power that preset Programming inputs. Clock inputs, either which used clock inhibit. device also active-low Reset, which initializes internal flip-flop states. Test Point outputs (TP1, TP2, TP3) provided with HD74HC292 facilitate incoming inspections. Test Point output provided with HD74HC294 facilitate incoming inspections.
Features
High Speed Operation: (Clock High Output Current: Fanout LSTTL Loads Wide Operating Voltage: Input Current: Quiescent Supply Current: (static) 25°C)
Function Table
CLK1 CLK2 Output Mode Cleared Count Count Inhibit Inhibit
HD74HC292/HD74HC294
HD74HC292
Programming Inputs
Frequency Division Binary Decimal Inhibit Inhibit
Binary Decimal Inhibit Inhibit
Binary Decimal Binary Decimal Inhibit Inhibit 1,024 2,048 4,096 8,192 16,384 32,768 65,536 Inhibit Inhibit
Inhibit Inhibit
Inhibit Inhibit
Inhibit Inhibit 131,072 131,072 131,072 131,072 131,072 131,072 131,072 131,072 131,072 131,072 131,072 131,072
Inhibit Inhibit 16,777,216 16,777,216 16,777,216 16,777,216 16,777,216 16,777,216 1,024 1,024 4,096 4,096 16,384 16,384 65,536 65,536 262,144 262,144 1,048,576 1,048,576 4,194,304 4,194,304 16,777,216 16,777,216
Disabled Disabled
2,048 2,048 8,192 8,192 32,768 32,768 131,072 131,072
131,072 262,144 524,288 1,048,576 2,097,152 4,194,304 8,388,608 16,777,216 33,554,432 67,108,864 134,217,728 268,435,456 536,870,912 1,073,741,824 2,147,483,648
Disabled Disabled
HD74HC292/HD74HC294
HD74HC294
Programming Inputs Frequency Division Output Binary Inhibit Inhibit
Output Decimal Inhibit Inhibit 1,024 2,048 4,096 8,192 16,384 32,768 Binary Inhibit Inhibit
Decimal Inhibit Inhibit
Disabled
HD74HC292/HD74HC294
Arrangement
HD74HC292
CLK1 CLK2
(Top view)
HD74HC294
CLK1 CLK2
(Top view)
HD74HC292/HD74HC294
Logic Diagram
HD74HC292
CLK1
CLK2
HD74HC292/HD74HC294
HD74HC294
CLK1 CLK2
HD74HC292/HD74HC294
Characteristics
25°C Item Input voltage Symbol +85°C 1.35 0.33 0.33 ±1.0 GND, Iout -5.2 Unit Test Conditions
3.15 3.15
1.35 4.13 5.63
Output voltage
4.18 5.68
0.26 0.26 ±0.1
Input current Quiescent supply current
HD74HC292/HD74HC294
Characteristics Input
25°C Item Maximum clock frequency Symbol +85°C Clock output Unit Test Conditions
Propagation delay time
Removal time
Pulse width
Output rise/fall time
Input capacitance
HD74HC292/HD74HC294
Package Dimensions
Unit:
19.20 20.00
1.11
7.40
6.30
0.51
2.54 5.06
7.62
2.54 0.25
0.48 0.10
0.25 0.05
Hitachi Code JEDEC EIAJ Mass (reference value)
0.13
DP-16 Conforms Conforms 1.07
Unit:
10.06 10.5
*0.22 0.05 0.20 0.04
0.80
0.20 7.80 0.30
2.20
1.15 0.70 0.20
1.27 *0.42 0.08 0.40 0.06
0.12
Hitachi Code JEDEC EIAJ Mass (reference value) FP-16DA Conforms 0.24
*Dimension including plating thickness Base material dimension
0.10 0.10
0.15
HD74HC292/HD74HC294
Cautions
Hitachi neither warrants grants licenses rights Hitachi's third party's patent, copyright, trademark, other intellectual property rights information contained this document. Hitachi bears responsibility problems that arise with third party's rights, including intellectual property rights, connection with information contained this document. Products product specifications subject change without notice. Confirm that have received latest product standards specifications before final design, purchase use. Hitachi makes every attempt ensure that products high quality reliability. However, contact Hitachi's sales office before using product application that demands especially high quality reliability where failure malfunction directly threaten human life cause risk bodily injury, such aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment medical equipment life support. Design your application that product used within ranges guaranteed Hitachi particularly maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions other characteristics. Hitachi bears responsibility failure damage when used beyond guaranteed ranges. Even within guaranteed ranges, consider normally foreseeable failure rates failure modes semiconductor devices employ systemic measures such failsafes, that equipment incorporating Hitachi product does cause bodily injury, fire other consequential damage operation Hitachi product. This product designed radiation resistant. permitted reproduce duplicate, form, whole part this document without written approval from Hitachi. Contact Hitachi's sales office questions regarding this document Hitachi semiconductor products.
Hitachi, Ltd.
Semiconductor Integrated Circuits. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109
NorthAmerica Europe Asia Japan
http://sicapac.hitachi-asia.com
Hitachi Asia Ltd. Hitachi Tower Collyer Quay #20-00, Singapore 049318 <65>-538-6533/538-8577 <65>-538-6933/538-3877 http://www.hitachi.com.sg Hitachi Asia Ltd. (Taipei Branch Office) 4/F, 167, North Road, Hung-Kuo Building, Taipei (105), Taiwan <886>-(2)-2718-3666 <886>-(2)-2718-8180 Telex 23222 HAS-TP http://www.hitachi.com.tw Hitachi Asia (Hong Kong) Ltd. Group (Electronic Components) 7/F., North Tower, World Finance Centre, Harbour City, Canton Road Tsim Tsui, Kowloon, Hong Kong <852>-(2)-735-9218 <852>-(2)-730-0281 http://www.hitachi.com.hk
further information write
Hitachi Semiconductor (America) Inc. East Tasman Drive, Jose,CA 95134 Tel: (408) 433-1990 Fax: <1>(408) 433-0223 Hitachi Europe GmbH Electronic Components Group Dornacher Strae D-85622 Feldkirchen, Munich Germany Tel: <49> (89) 9180-0 Fax: <49> (89) Hitachi Europe Ltd. Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 585160
Copyright Hitachi, Ltd., 2000. rights reserved. Printed Japan.
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