To all our customers Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp. The semiconductor operations of Mitsubishi Electric and Hitachi were transferred to Renesas Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog and discrete devices, and memory chips other than DRAMs (flash memory, SRAMs etc.) Accordingly, although Hitachi, Hitachi, Ltd., Hitachi Semiconductors, and other Hitachi brand names are mentioned in the document, these names have in fact all been changed to Renesas Technology Corp. Thank you for your understanding. Except for our corporate trademark, logo and corporate statement, no changes whatsoever have been made to the contents of the document, and these changes do not constitute any alteration to the contents of the document itself. Renesas Technology Home Page: http://www.renesas.com Renesas Technology Corp. Customer Support Dept. April 1, 2003 Cautions Keep safety first in your circuit designs! 1. Renesas Technology Corporation 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. Notes regarding these materials 1. These materials are intended as a reference to assist our customers in the selection of the Renesas Technology Corporation product best suited to the customer's application; they do not convey any license under any intellectual property rights, or any other rights, belonging to Renesas Technology Corporation or a third party. 2. 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HD74HC123A Dual Retriggerable Monostable Multivibrators (with Clear) ADE-205-438 (Z) 1st. Edition Sep. 2000 Description This multivibrator features both a negative, A, and a positive, B, transition triggered input, either of which can be used as an inhibit input. Also included is a clear input that when taken low resets the one shot. The HD74HC123A can be triggered on the positive transition of the clear while A is held low and B is held high. The HD74HC123A is retriggerable. That is it may be triggered repeatedly while their outputs are generating a pulse and the pulse will be extended. Pulse width stability over a wide range of temperature. The output pulse equation is simply: t w = (Rext) (Cext). Features • • • • • High Speed Operation High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current Function Table Inputs Outputs Clear A B Q Q L X X L H X H X L H X X L L H H L H H L H Note: External timing capacitance connects between Cext and Rext/Cext. HD74HC123A Pin Arrangement 1A 1 16 VCC 1B 2 15 1Rext Cext 1CLR 3 1Q 4 13 1Q 2Q 5 12 2Q 2Cext 6 2Rext/ Cext 7 10 2B GND 8 9 CLR Q Q Q Q CLR (Top view) 2 14 1Cext 11 2CLR 2A HD74HC123A DC Characteristics Ta = –40 to +85°C Sym- VCC Ta = 25°C Item bol (V) Min Typ Max Min Max Unit Test Conditions Input voltage VIH 2.0 1.5 — — 1.5 4.5 3.15 — — 3.15 — 6.0 4.2 — — 4.2 — 2.0 — — 0.5 — 0.5 4.5 — — 1.35 — 1.35 6.0 — — 1.8 — 1.8 2.0 1.9 2.0 — 1.9 — 4.5 4.4 4.5 — 4.4 — 6.0 5.9 6.0 — 5.9 — 4.5 4.18 — — 4.13 — IOH = –4 mA 6.0 5.68 — — 5.63 — IOH = –5.2 mA 2.0 — 0.0 0.1 — 0.1 4.5 — 0.0 0.1 — 0.1 6.0 — 0.0 0.1 — 0.1 4.5 — — 0.26 — 0.33 IOL = 4 mA 6.0 — — 0.26 — 0.33 IOL = 5.2 mA Iin 6.0 — — ±0.1 — ±1.0 µA Vin = VCC or GND ICC 6.0 — — 130 — 220 µA Vin = VCC or Iout = 0 µA — — 130 — 220 GND Rext/Cext = 0.5 VCC VIL Output voltage VOH VOL Input current Quiescent Standby state supply current Active state — V V V V Vin = VIH or VIL IOH = –20 µA Vin = VIH or VIL IOL = 20 µA 3 HD74HC123A AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = –40 to +85°C Ta = 25°C VCC (V) Min Typ Max Min Max Unit Test Conditions Propagation delay t PLH 2.0 — — 210 — 265 ns A, B or Clear to Q time 4.5 — 22 42 — 53 6.0 — — 36 — 45 2.0 — — 240 — 300 ns A, B or Clear to Q 4.5 — 23 48 — 60 6.0 — — 41 — 51 2.0 — — 170 — 215 ns Clear to Q 4.5 — 18 34 — 43 6.0 — — 29 — 37 2.0 — — 180 — 225 ns Clear to Q 4.5 — 16 36 — 45 6.0 — — 31 — 38 2.0 — — 75 — 95 4.5 — 5 15 — 19 6.0 — — 13 — 16 2.0 — — 75 — 95 4.5 — 5 15 — 19 6.0 — — 13 — 16 2.0 150 — — 190 — 4.5 30 6 — 38 — 6.0 26 — — 33 — 2.0 — 1.5 — — 4.5 — 450 — 6.0 — Output pulse width t WQ 4.5 Input capacitance — Item Symbol t PHL t PHL t PLH Output rise time Output fall time Pulse width Minimum output t TLH t THL tw t WQ(min) pulse width Caution in use: 4 Cin ns ns ns A, B, Clear — µs Cext = 28 pF — — ns Rext = 2 kΩ 380 — — — — 1.0 — — — ms Cext = 0.1 µF, Rext = 10 kΩ — 5 — 10 pF 10 Rext = 6 kΩ In order to prevent any malfunctions due to noise, connect a high-frequency performance capacitor between V CC and GND, and keep the wiring between the External components and Cext, Rext/Cext pins as short as possible. HD74HC123A Package Dimensions Unit: mm 19.20 20.00 Max 6.30 9 1 7.40 Max 16 8 1.3 0.48 ± 0.10 7.62 2.54 Min 5.06 Max 2.54 ± 0.25 0.51 Min 1.11 Max + 0.13 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Mass (reference value) DP-16 Conforms Conforms 1.07 g Unit: mm 10.06 10.5 Max 9 1 8 1.27 *0.42 ± 0.08 0.40 ± 0.06 0.10 ± 0.10 0.80 Max *0.22 ± 0.05 0.20 ± 0.04 2.20 Max 5.5 16 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 Hitachi Code JEDEC EIAJ Mass (reference value) FP-16DA — Conforms 0.24 g 5 HD74HC123A 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. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109 URL NorthAmerica Europe Asia Japan : : : : http://semiconductor.hitachi.com/ http://www.hitachi-eu.com/hel/ecg http://sicapac.hitachi-asia.com http://www.hitachi.co.jp/Sicd/indx.htm For further information write to: Hitachi Semiconductor (America) Inc. 179 East Tasman Drive, San Jose,CA 95134 Tel: <1> (408) 433-1990 Fax: <1>(408) 433-0223 Hitachi Europe GmbH Electronic Components Group Dornacher Straβe 3 D-85622 Feldkirchen, Munich Germany Tel: <49> (89) 9 9180-0 Fax: <49> (89) 9 29 30 00 Hitachi Asia Ltd. Hitachi Tower 16 Collyer Quay #20-00, Singapore 049318 Tel : <65>-538-6533/538-8577 Fax : <65>-538-6933/538-3877 URL : http://www.hitachi.com.sg Hitachi Europe Ltd. Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 585160 Hitachi Asia Ltd. (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