HD74AC125/HD74ACT125 Quad Buffer/Line Driver with 3-State Output ADE-205-366 (Z) 1st. Edition Sep. 2000 Description The HD74AC125/HD74ACT125 is an quad buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter/receiver which provides improved PC board density. Features • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers • Outputs Source/Sink 24 mA • HD74ACT125 has TTL-Compatible Inputs Pin Arrangement E 1 14 VCC D 2 13 E O 3 12 D E 4 11 O D 5 10 E O 6 9 D GND 7 8 O (Top view) HD74AC125/HD74ACT125 Logic Symbol D O E Pin Names D E O Data Inputs 3-State Output Enable Inputs (Active Low) Outputs Truth Table Inputs E D Output L L L L H H X Z H H L X Z : : : : High Voltage Level Low Voltage Level Immaterial High Impedance DC Characteristics (unless otherwise specified) Item Symbol Max Unit Condition Maximum quiescent supply current I CC 80 µA VIN = VCC or ground, VCC = 5.5 V, Ta = Worst case Maximum quiescent supply current I CC 8.0 µA VIN = VCC or ground, VCC = 5.5 V, Ta = 25°C Maximum ICC/input (HD74ACT125) I CCT 1.5 mA VIN = VCC – 2.1 V, VCC = 5.5 V Ta = Worst case 2 HD74AC125/HD74ACT125 AC Characteristics: HD74AC125 Ta = +25°C CL = 50 pF Ta = –40°C to +85°C CL = 50 pF Item Symbol VCC (V)*1 Min Typ Max Min Max Unit Propagation delay t PLH 3.3 1.0 6.5 9.0 1.0 10.0 ns 5.0 1.0 5.5 7.0 1.0 7.5 3.3 1.0 6.5 9.0 1.0 10.0 5.0 1.0 5.0 7.0 1.0 7.5 3.3 1.0 6.0 10.5 1.0 11.0 5.0 1.0 5.0 7.0 1.0 8.0 3.3 1.0 7.5 10.0 1.0 11.0 5.0 1.0 5.5 8.0 1.0 8.5 3.3 1.0 7.0 10.0 1.0 10.5 5.0 1.0 6.5 9.0 1.0 9.5 3.3 1.0 7.5 10.5 1.0 11.5 5.0 1.0 6.5 9.0 1.0 9.5 Propagation delay Enable time Enable time Disable time Disable time Note: t PHL t ZH t ZL t HZ t LZ 1. Voltage Range 3.3 is 3.3 V ± 0.3 V Voltage Range 5.0 is 5.0 V ± 0.5 V AC Characteristics: HD74ACT125 Ta = +25°C CL = 50 pF Ta = –40°C to +85°C CL = 50 pF Item Symbol VCC (V)*1 Min Typ Max Min Max Unit Propagation delay t PLH 5.0 1.0 6.5 9.0 1.0 10.0 ns Propagation delay t PHL 5.0 1.0 7.0 9.0 1.0 10.0 Enable time t ZH 5.0 1.0 6.0 8.5 1.0 9.5 Enable time t ZL 5.0 1.0 7.0 9.5 1.0 10.5 Disable time t HZ 5.0 1.0 7.0 9.5 1.0 10.5 Disable time t LZ 5.0 1.0 7.5 10.0 1.0 10.5 Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V Capacitance Item Symbol Typ Unit Condition Input capacitance CIN 4.5 pF VCC = 5.5 V Power dissipation capacitance CPD 45.0 pF VCC = 5.0 V 3 HD74AC125/HD74ACT125 Package Dimensions Unit: mm 19.20 20.32 Max 8 6.30 7.40 Max 14 1.30 7 2.54 ± 0.25 0.48 ± 0.10 0.51 Min 2.39 Max 7.62 2.54 Min 5.06 Max 1 + 0.10 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Mass (reference value) DP-14 Conforms Conforms 0.97 g Unit: mm 10.06 10.5 Max 8 5.5 14 1 0.10 ± 0.10 1.42 Max 1.27 *0.42 ± 0.08 0.40 ± 0.06 *0.22 ± 0.05 0.20 ± 0.04 2.20 Max 7 0.20 7.80 +– 0.30 1.15 0° – 8° 0.70 ± 0.20 0.15 0.12 M *Dimension including the plating thickness Base material dimension 4 Hitachi Code JEDEC EIAJ Mass (reference value) FP-14DA — Conforms 0.23 g HD74AC125/HD74ACT125 Unit: mm 8.65 9.05 Max 8 1 7 *0.20 ± 0.05 0.635 Max 1.75 Max 3.95 14 + 0.10 6.10 – 0.30 1.08 0.11 0.14 +– 0.04 0° – 8° 1.27 *0.40 ± 0.06 + 0.67 0.60 – 0.20 0.15 0.25 M Hitachi Code JEDEC EIAJ Mass (reference value) *Pd plating FP-14DN Conforms Conforms 0.13 g Unit: mm 4.40 5.00 5.30 Max 14 8 1 7 0.65 1.0 0.13 M 6.40 ± 0.20 0.10 *Dimension including the plating thickness Base material dimension *0.17 ± 0.05 0.15 ± 0.04 1.10 Max 0.83 Max 0.07 +0.03 –0.04 *0.22+0.08 –0.07 0.20 ± 0.06 0° – 8° 0.50 ± 0.10 Hitachi Code JEDEC EIAJ Mass (reference value) TTP-14D — — 0.05 g 5 HD74AC125/HD74ACT125 Cautions 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 failsafes, 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. 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(Taipei Branch Office) 4/F, No. 167, Tun Hwa North Road, Hung-Kuo Building, Taipei (105), Taiwan Tel : <886>-(2)-2718-3666 Fax : <886>-(2)-2718-8180 Telex : 23222 HAS-TP URL : http://www.hitachi.com.tw Hitachi Asia (Hong Kong) Ltd. Group III (Electronic Components) 7/F., North Tower, World Finance Centre, Harbour City, Canton Road Tsim Sha Tsui, Kowloon, Hong Kong Tel : <852>-(2)-735-9218 Fax : <852>-(2)-730-0281 URL : http://www.hitachi.com.hk Copyright Hitachi, Ltd., 2000. All rights reserved. Printed in Japan. Colophon 2.0 6