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PDF HD74LS21 Data sheet ( Hoja de datos )

Número de pieza HD74LS21
Descripción Dual 4-input Positive AND Gates
Fabricantes Renesas 
Logotipo Renesas Logotipo



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HD74LS21
Dual 4-input Positive AND Gates
Features
Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74LS21P
DILP-14 pin
PRDP0014AB-B
(DP-14AV)
P
HD74LS21FPEL SOP-14 pin (JEITA)
PRSP0014DF-B
(FP-14DAV)
FP
Note: Please consult the sales office for the above package availability.
Pin Arrangement
REJ03D0401–0200
Rev.2.00
Feb.18.2005
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
1A 1
1B 2
NC 3
1C 4
1D 5
1Y 6
GND 7
14 VCC
13 2D
12 2C
11 NC
10 2B
9 2A
8 2Y
(Top view)
Circuit Schematic (1/2)
Inputs
A
B
C
D
VCC
20k
10k 8k
75
4.5k
1.5k 3k
Output
Y
GND
Rev.2.00, Feb.18.2005, page 1 of 4

1 page




HD74LS21 pdf
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1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble
may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage.
Remember to give due consideration to safety when making your circuit designs, with appropriate measures such as (i) placement of substitutive, auxiliary circuits,
(ii) use of nonflammable material or (iii) prevention against any malfunction or mishap.
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RENESAS SALES OFFICES
http://www.renesas.com
Refer to "http://www.renesas.com/en/network" for the latest and detailed information.
Renesas Technology America, Inc.
450 Holger Way, San Jose, CA 95134-1368, U.S.A
Tel: <1> (408) 382-7500, Fax: <1> (408) 382-7501
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Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, U.K.
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Renesas Technology Taiwan Co., Ltd.
10th Floor, No.99, Fushing North Road, Taipei, Taiwan
Tel: <886> (2) 2715-2888, Fax: <886> (2) 2713-2999
Renesas Technology (Shanghai) Co., Ltd.
Unit2607 Ruijing Building, No.205 Maoming Road (S), Shanghai 200020, China
Tel: <86> (21) 6472-1001, Fax: <86> (21) 6415-2952
Renesas Technology Singapore Pte. Ltd.
1 Harbour Front Avenue, #06-10, Keppel Bay Tower, Singapore 098632
Tel: <65> 6213-0200, Fax: <65> 6278-8001
© 2005. Renesas Technology Corp., All rights reserved. Printed in Japan.
Colophon .2.0

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