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| HD74LV138A 3-to-8 line Decoder / Demultiplexers ADE-205-261 (Z) 1st Edition March 1999 Description The HD74LV138A is designed to be used in high-performance memory-decoding or data-routing applications requiring very short propagation delay times. The conditions at the binary-select inputs and the three enable inputs select one of eight input lines. Two active-low and one active-high enable inputs reduce the need for external gates or inverters when expanding. A 24-line decoder can be implemented without external inverters and a 32-line decoder requires only one inverter. An enable input can be used as a data input for demultiplexing applications. Low-voltage and high-speed operation is suitable for the battery-powered products (e.g., notebook computers), and the low-power consumption extends the battery life. Features * * * * * * VCC = 2.0 V to 5.5 V operation All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) All outputs VO (Max.) = 5.5 V (@VCC = 0 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25C) Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25C) Output current 6 mA (@VCC = 3.0 V to 3.6 V), 12 mA (@VCC = 4.5 V to 5.5 V) HD74LV138A Function Table Enable Inputs G1 X X L H H H H H H H H G2A H X X L L L L L L L L G2B X H X L L L L L L L L Select Inputs C X X X L L L L H H H H B X X X L L H H L L H H A X X X L H L H L H L H Outputs Y0 H H H L H H H H H H H Y1 H H H H L H H H H H H Y2 H H H H H L H H H H H Y3 H H H H H H L H H H H Y4 H H H H H H H L H H H Y5 H H H H H H H H L H H Y6 H H H H H H H H H L H Y7 H H H H H H H H H H L Note: H: High level L: Low level X: Immaterial Pin Arrangement A1 B2 C3 G2A 4 G2B 5 G1 6 Y7 7 GND 8 16 VCC 15 Y0 14 Y1 13 Y2 12 Y3 11 Y4 10 Y5 9 Y6 (Top view) 2 HD74LV138A Absolute Maximum Ratings Item Supply voltage range Input voltage range* 1 1, 2 Symbol VCC VI VO Ratings -0.5 to 7.0 -0.5 to 7.0 -0.5 to VCC + 0.5 -0.5 to 7.0 Unit V V V Conditions Output voltage range* Output: H or L VCC: OFF Input clamp current Output clamp current Continuous output current Continuous current through VCC or GND Maximum power dissipation at Ta = 25C (in still air)*3 I IK I OK IO I CC or IGND PT -20 50 25 50 785 500 mA mA mA mA mW VI < 0 VO < 0 or VO > VCC VO = 0 to VCC SOP TSSOP Storage temperature Tstg -65 to 150 C Notes: The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. 1. The input and output voltage ratings mayC be exceeded if the input and output clamp-current ratings are observed. 2. This value is limited to 5.5 V maximum. 3. The maximum package power dissipation was calculated using a junction temperature of 150C. 3 HD74LV138A Recommended Operating Conditions Item Supply voltage range Input voltage range Output voltage range Output current Symbol VCC VI VO I OH Min 2.0 0 0 -- -- -- -- I OL -- -- -- -- Input transition rise or fall rate t/v 0 0 0 Operating free-air temperature Ta -40 Max 5.5 5.5 VCC -50 -2 -6 -12 50 2 6 12 200 100 20 85 C ns/V A mA Unit V V V A mA H or L VCC = 2.0 V VCC = 2.3 to 2.7 V VCC = 3.0 to 3.6 V VCC = 4.5 to 5.5 V VCC = 2.0 V VCC = 2.3 to 2.7 V VCC = 3.0 to 3.6 V VCC = 4.5 to 5.5 V VCC = 2.3 to 2.7 V VCC = 3.0 to 3.6 V VCC = 4.5 to 5.5 V Conditions Note: Unused or floating inputs must be held high or low. 4 HD74LV138A Logic Diagram 15 Y0 14 Y1 13 Y2 Select inputs B 2 12 11 C 3 10 9 G2A Enable G2B inputs G1 4 5 6 Y5 Y6 Y7 Y3 Y4 Data outputs A 1 7 5 HD74LV138A DC Electrical Characteristics * Ta = -40 to 85C Item Input voltage Symbol VIH VCC (V)* 2.0 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 VIL 2.0 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 Output voltage VOH Min to Max 2.3 3.0 4.5 VOL Min to Max 2.3 3.0 4.5 Input current Quiescent supply current Output leakage current Input capacitance IIN ICC IOFF CIN 0 to 5.5 5.5 0 3.3 Min 1.5 VCC x 0.7 VCC x 0.7 VCC x 0.7 -- -- -- -- VCC - 0.1 2.0 2.48 3.8 -- -- -- -- -- -- -- -- Typ -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1.7 Max -- -- -- -- 0.5 VCC x 0.3 VCC x 0.3 VCC x 0.3 -- -- -- -- 0.1 0.4 0.44 0.55 1 20 5 -- A A A pF V IOH = -50 A IOH = -2 mA IOH = -6 mA IOH = -12 mA IOL = 50 A IOL = 2 mA IOL = 6 mA IOL = 12 mA VI = 5.5 V or GND VI = VCC or GND, IO = 0 VI or VO = 0 V to 5.5 V VI = VCC or GND Unit V Test Conditions Note: For conditions shown as Min or Max, use the appropriate values under recommended operating conditions. 6 HD74LV138A Switching Characteristics * VCC = 2.5 0.2 V Ta = 25C Item Propagation delay time Symbol tPLH tPHL Min Typ Max Ta = -40 to 85C Min Max Unit Test Conditions FROM (Input) TO (Output) -- 11.7 17.6 1.0 21.0 ns CL = 15 pF A, B, C Y -- -- -- -- -- 14.9 12.3 15.7 11.4 14.8 21.4 19.2 22.6 18.2 22.0 1.0 1.0 1.0 1.0 1.0 25.0 22.0 26.0 21.0 25.0 CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF G2A, G2B G1 * VCC = 3.3 0.3 V Ta = 25C Item Propagation delay time Symbol Min Typ Max Ta = -40 to 85C Min Max Unit Test Conditions FROM (Input) TO (Output) t PLH t PHL -- 8.1 11.4 1.0 13.5 ns CL = 15 pF A, B, C Y -- -- -- -- -- 10.3 8.4 10.6 7.8 10.0 15.8 12.8 16.3 11.4 14.9 1.0 1.0 1.0 1.0 1.0 18.0 15.0 18.5 13.5 17.0 CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF G2A, G2B G1 7 HD74LV138A Switching Characteristics (cont) * VCC = 5.0 0.5 V Ta = 25C Item Propagation delay time Symbol Min Typ Max Ta = -40 to 85C Min Max Unit Test Conditions FROM (Input) TO (Output) t PLH t PHL -- 5.6 8.1 1.0 9.5 ns CL = 15 pF A, B, C Y -- -- -- -- -- 7.0 5.7 7.1 5.4 6.8 10.1 8.1 10.1 8.1 10.1 1.0 1.0 1.0 1.0 1.0 11.5 9.5 11.5 9.5 11.5 CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF G2A, G2B G1 Operating Characteristics * CL = 50 pF Ta = 25C Item Power dissipation capacitance Symbol CPD VCC (V) 3.3 Min -- Typ 16.8 Max -- Unit pF Test Conditions f = 10 MHz 5.0 -- 19.1 -- 8 HD74LV138A Test Circuit Measurement point CL* Note: C L includes the probe and jig capacitance. * Waveform tr 90% 50% VCC t PLH 90% 50% VCC tf VCC 10% t PHL 0V Input 10% VOH In phase output t PHL 50% VCC 50% VCC VOL t PLH VOH Out of phase output 50% VCC 50% VCC VOL Notes: 1. Input waveform: PRR 1 MHz, Zo = 50 , t r 3 ns, tf 3 ns 2. The output is measured one at a time with one transition per measurement. 9 HD74LV138A Package Dimensions 10.06 10.5 Max 16 9 5.5 1 8 0.22 0.05 0.20 0.04 0.20 7.80 + 0.30 - 0.80 Max 2.20 Max 1.15 0 - 8 0.70 0.20 1.27 0.42 0.08 0.40 0.06 0.12 M Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) FP-16DA -- Conforms 0.24 g 10 0.10 0.10 0.15 HD74LV138A Unit: mm 9.9 10.3 Max 16 9 3.95 1 1.27 0.635 Max 8 0.11 0.14 + 0.04 - 1.75 Max *0.22 0.03 0.20 0.03 0.10 6.10 + 0.30 - 1.08 0 - 8 + 0.67 0.60 - 0.20 0.42 0.08 0.40 0.06 0.15 0.25 M Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) FP-16DN Conforms Conforms 0.15 g 11 HD74LV138A 5.0 5.3 Max 16 9 4.40 1 0.08 0.22 + 0.07 - 8 0.65 1.0 6.40 0.20 0 - 8 0.50 0.10 0.20 0.06 0.13 M 0.65 Max 0.17 0.05 0.15 0.04 1.10 Max 0.10 0.07 +0.03 -0.04 Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) TTP-16DA -- -- 0.05 g 12 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 : http:semiconductor.hitachi.com/ Europe : http://www.hitachi-eu.com/hel/ecg Asia (Singapore) : http://www.has.hitachi.com.sg/grp3/sicd/index.htm Asia (Taiwan) : http://www.hitachi.com.tw/E/Product/SICD_Frame.htm Asia (HongKong) : http://www.hitachi.com.hk/eng/bo/grp3/index.htm Japan : 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 Strae 3 D-85622 Feldkirchen, Munich Germany Tel: <49> (89) 9 9180-0 Fax: <49> (89) 9 29 30 00 Hitachi Europe Ltd. Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 778322 Hitachi Asia Pte. Ltd. 16 Collyer Quay #20-00 Hitachi Tower Singapore 049318 Tel: 535-2100 Fax: 535-1533 Hitachi Asia Ltd. Taipei Branch Office 3F, Hung Kuo Building. No.167, Tun-Hwa North Road, Taipei (105) Tel: <886> (2) 2718-3666 Fax: <886> (2) 2718-8180 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 Telex: 40815 HITEC HX Copyright ' Hitachi, Ltd., 1999. All rights reserved. Printed in Japan. |
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