HD74HC442 HITACHI

Document overview

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Technical content

Features

  • High Speed Operation
  • High Output Current: Fanout of 15 LSTTL Loads
  • Wide Operating Voltage: VCC = 2 to 6 V
  • Low Input Current: 1 µA max
  • Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

HD74HC442/HD74HC443HD74HC444 Function Table Inputs Transfers Between Buses CS S1 S0 GA GB GC HD74HC442 HD74HC443 HD74HC444 H X X X X X None None None X H H X X X None None None X X X H H H None None None X L L X H H None None None X L H H X H None None None X H L H H X None None None LLL X LL A fi B, A fi C A fi B, A fi C A fi B, A fi C L LH LXLB fi C, B fi A B fi C, B fi AB fi C, B fi A L HLLLXC fi A, C fi B C fi A, C fi B C fi A, C fi B LLL X LH A fi B A fi B A fi B L LH H XLB fi C B fi CB fi C L HLLHXC fi A C fi A C fi A LLL X H L A fi C A fi C A fi C L LH LXH B fi A B fi A B fi A LH L H LX C fi B C fi BC fi B

HD74HC442/HD74HC443/HD74HC444 Pin Arrangement (Top view) 10 11 20CS B C 1 C 2 C 3 C 4 GND VCC GC GB GA Absolute Maximum Ratings Item Symbol Rating Unit Supply voltage range V CC –0.5 to +7.0 V Input voltage V IN –0.5 to VCC + 0.5 V Output voltage V OUT –0.5 to VCC + 0.5 V Output current I OUT –35 mA DC current drain per VCC GND I CC , IGND –75 mA DC input diode current I IK –20 mA DC output diode current I OK –20 mA Power Dissipation per package P T 500 mW Storage temperature Tstg –65 to +150 °C

HD74HC442/HD74HC443HD74HC444 Logic Diagram HD74HC442 C 1 C 2 C 4 C 3 S1 GA GH GC CS

HD74HC442/HD74HC443/HD74HC444 HD74HC443 C 1 C 2 C 4 C 3 S1 GA GH GC CS

HD74HC442/HD74HC443HD74HC444 HD74HC444 C 1 C 2 C 4 C 3 S1 GA GH GC CS

HD74HC442/HD74HC443/HD74HC444 DC Characteristics Ta = 25°C Ta = –40 to +85°C Item Symbol V CC (V) Min Typ Max Min Max Unit Test Conditions Input voltage V IH 2.0 1.5 — — 1.5 — V 6.0 4.2 — — 4.2 — 6.0 — — 1.8 — 1.8 Output voltage V OH 2.0 1.9 2.0 — 1.9 — V Vin = V IH or VIL IOH = –20 mA 4.5 4.18 — — 4.13 — I OH = –6 mA VOL 2.0 — 0.0 0.1 — 0.1 V Vin = V IH or VIL IOL = 20 mA 4.5 — — 0.26 — 0.33 I OL = 6 mA 6.0 — — 0.26 — 0.33 I OL = 7.8 mA Off-state output current IOZ 6.0 — — –0.5 — –5.0 mA Vin = V IH or VIL, Vout = VCC or GND Input current Iin 6.0 — — –0.1 — –1.0 mA Vin = V CC or GND Quiescent supply current ICC 6.0 — — 4.0 — 40 mA Vin = V CC or GND, Iout = 0 mA

HD74HC442/HD74HC443HD74HC444 AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = 25°C Ta = –40 to +85°C Item Symbol V CC (V) Min Typ Max Min Max Unit Test Conditions Propagation delay tPLH 2.0 — — 200 — 250 ns time t PHL 4.5 — — 40 — 50 6.0 — — 34 — 43 Output enable t ZH 2.0 — — 150 — 190 ns time t ZL 4.5 — — 30 — 38 6.0 — — 26 — 33 Output disable t HZ 2.0 — — 150 — 190 ns time t LZ 4.5 — — 30 — 38 6.0 — — 26 — 33 Output rise/fall tTLH 2.0 — — 60 — 75 ns time t THL 4.5 — — 12 — 15 6.0 — — 10 — 13 Input capacitance Cin — — 5 10 — 10 pF

(reference value) DP-20N Conforms 1.26 g Unit: mm

0.51 Min

2.54 Min 5.08 Max 7.62 0.25 + 0.11 24.50

25.40 Max

0.89 1.30 6.30

7.00 Max1 10

0° – 15°

1.27 Max

(reference value) FP-20DA Conforms 0.31 g Unit: mm *Dimension including the plating thickness Base material dimension *0.42 – 0.08 0.12 0.15 M 101 *0.22 – 0.050.80 Max 12.6 5.5

2.20 Max

13 Max

0° – 8° 0.70 – 0.20 + 0.20 – 0.307.80 1.27 0.10 – 0.10 1.15 0.40 – 0.06 0.20 – 0.04

(reference value) FP-20DB Conforms 0.52 g Unit: mm *Dimension including the plating thickness Base material dimension 0.12 0.15 0° – 8° M 20 11 0.20 – 0.10 1.27 12.8

13.2 Max

7.50

2.65 Max

*0.27 – 0.05 *0.42 – 0.08 + 0.57 – 0.300.70 + 0.25 – 0.40 10.40

1.450.935 Max

0.40 – 0.06 0.25 – 0.04

  1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi’s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail- safes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi’s sales office for any questions regarding this document or 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 Copyright © Hitachi, Ltd., 1999. All rights reserved. Printed in Japan. Hitachi Asia Pte. Ltd.

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