To our customers, Old Company Name in Catalogs and Other Documents On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology Corporation, and Renesas Electronics Corporation took over all the business of both companies. Therefore, although the old company name remains in this document, it is a valid Renesas Electronics document. We appreciate your understanding. Renesas Electronics website: http://www.renesas.com April 1st, 2010 Renesas Electronics Corporation Issued by: Renesas Electronics Corporation (http://www.renesas.com) Send any inquiries to http://www.renesas.com/inquiry. Notice 1. 2. 3. 4. 5. 6. 7. All information included in this document is current as of the date this document is issued. Such information, however, is subject to change without any prior notice. Before purchasing or using any Renesas Electronics products listed herein, please confirm the latest product information with a Renesas Electronics sales office. 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"High Quality": Transportation equipment (automobiles, trains, ships, etc.); traffic control systems; anti-disaster systems; anticrime systems; safety equipment; and medical equipment not specifically designed for life support. "Specific": Aircraft; aerospace equipment; submersible repeaters; nuclear reactor control systems; medical equipment or systems for life support (e.g. artificial life support devices or systems), surgical implantations, or healthcare intervention (e.g. excision, etc.), and any other applications or purposes that pose a direct threat to human life. You should use the Renesas Electronics products described in this document within the range specified by Renesas Electronics, especially with respect to the maximum rating, operating supply voltage range, movement power voltage range, heat radiation characteristics, installation and other product characteristics. Renesas Electronics shall have no liability for malfunctions or damages arising out of the use of Renesas Electronics products beyond such specified ranges. Although Renesas Electronics endeavors to improve the quality and reliability of its products, semiconductor products have specific characteristics such as the occurrence of failure at a certain rate and malfunctions under certain use conditions. Further, Renesas Electronics products are not subject to radiation resistance design. Please be sure to implement safety measures to guard them against the possibility of physical injury, and injury or damage caused by fire in the event of the failure of a Renesas Electronics product, such as safety design for hardware and software including but not limited to redundancy, fire control and malfunction prevention, appropriate treatment for aging degradation or any other appropriate measures. Because the evaluation of microcomputer software alone is very difficult, please evaluate the safety of the final products or system manufactured by you. Please contact a Renesas Electronics sales office for details as to environmental matters such as the environmental compatibility of each Renesas Electronics product. Please use Renesas Electronics products in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the EU RoHS Directive. Renesas Electronics assumes no liability for damages or losses occurring as a result of your noncompliance with applicable laws and regulations. This document may not be reproduced or duplicated, in any form, in whole or in part, without prior written consent of Renesas Electronics. Please contact a Renesas Electronics sales office if you have any questions regarding the information contained in this document or Renesas Electronics products, or if you have any other inquiries. (Note 1) "Renesas Electronics" as used in this document means Renesas Electronics Corporation and also includes its majorityowned subsidiaries. (Note 2) "Renesas Electronics product(s)" means any product developed or manufactured by or for Renesas Electronics. HD74HC238 3-to-8-line Decoder/Demultiplexer REJ03D0593-0200 (Previous ADE-205-470) Rev.2.00 Jan 31, 2006 Description The HD74HC238 has 3 binary select inputs (A, B and C). If the device is enabled these inputs determine which one of the eight normally high outputs will go low. Two active low and one active high enables (G1, G2A and G2B) are provided to ease the cascading of decoders. Features * * * * * * High Speed Operation: tpd (Data to Y) = 15 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 A max Low Quiescent Supply Current: ICC (static) = 4 A max (Ta = 25C) Ordering Information Part Name Package Code (Previous Code) Package Type Package Abbreviation Taping Abbreviation (Quantity) HD74HC238P DILP-16 pin PRDP0016AE-B (DP-16FV) P -- HD74HC238FPEL SOP-16 pin (JEITA) PRSP0016DH-B (FP-16DAV) FP EL (2,000 pcs/reel) PRSP0016DG-A RP (FP-16DNV) Note: Please consult the sales office for the above package availability. HD74HC238RPEL SOP-16 pin (JEDEC) EL (2,500 pcs/reel) Function Table Inputs G1 X X L H H H H H H H H H: L: X: Enable G2A G2B X H H X X X L L L L L L L L L L L L L L L L High level Low level Irrelevant C X X X L L L L H H H H Select B X X X L L H H L L H H Rev.2.00 Jan 31, 2006 page 1 of 6 Outputs A X X X L H L H L H L H Y0 L L L H L L L L L L L Y1 L L L L H L L L L L L Y2 L L L L L H L L L L L Y3 L L L L L L H L L L L Y4 L L L L L L L H L L L Y5 L L L L L L L L H L L Y6 L L L L L L L L L H L Y7 L L L L L L L L L L H HD74HC238 Pin Arrangement Select Inputs A 1 B 2 B C 3 G2A 16 VCC A Y0 15 Y0 C Y1 14 Y1 4 G2A Y2 13 Y2 G2B 5 G2B Y3 12 Y3 G1 6 G1 Y4 11 Y4 Y7 7 Y7 Y5 10 Y5 GND 8 Enable Inputs Output Y6 Outputs 9 Y6 (Top view) Logic Diagram G1 G2B Y0 G2A A B Y1 Y2 Y3 C Y4 Y5 Y6 Y7 Rev.2.00 Jan 31, 2006 page 2 of 6 HD74HC238 Absolute Maximum Ratings Item Supply voltage range Input / Output voltage Input / Output diode current Output current VCC, GND current Power dissipation Storage temperature Symbol VCC VIN, VOUT IIK, IOK IO ICC or IGND PT Tstg Ratings -0.5 to 7.0 -0.5 to VCC +0.5 20 35 75 500 -65 to +150 Unit V V mA mA mA mW C Note: 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. Recommended Operating Conditions Item Supply voltage Input / Output voltage Operating temperature Input rise / fall time*1 Symbol VCC VIN, VOUT Ta tr, tf Ratings 2 to 6 0 to VCC -40 to 85 0 to 1000 0 to 500 0 to 400 Unit V V C ns Conditions VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V Notes: 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics. Electrical Characteristics Item Input voltage Symbol VCC (V) VIH VIL Output voltage VOH VOL Off-state output current Input current IOZ Quiescent supply current ICC Iin Ta = 25C Typ Max -- -- -- -- -- -- -- 0.5 -- 1.35 Ta = -40 to+85C Unit Min Max 1.5 -- V 3.15 -- 4.2 -- -- 0.5 V -- 1.35 2.0 4.5 6.0 2.0 4.5 Min 1.5 3.15 4.2 -- -- 6.0 2.0 4.5 6.0 4.5 6.0 -- 1.9 4.4 5.9 4.18 5.68 -- 2.0 4.5 6.0 -- -- 1.8 -- -- -- -- -- -- 1.9 4.4 5.9 4.13 5.63 1.8 -- -- -- -- -- 2.0 4.5 6.0 4.5 6.0 6.0 -- -- -- -- -- -- 0.0 0.0 0.0 -- -- -- 0.1 0.1 0.1 0.26 0.26 0.5 -- -- -- -- -- -- 0.1 0.1 0.1 0.33 0.33 5.0 6.0 6.0 -- -- -- -- 0.1 4.0 -- -- 1.0 40 Rev.2.00 Jan 31, 2006 page 3 of 6 V Test Conditions Vin = VIH or VIL IOH = -20 A IOH = -4 mA IOH = -5.2 mA V Vin = VIH or VIL IOL = 20 A IOL = 4 mA IOL = 5.2 mA A Vin = VIH or VIL, Vout = VCC or GND A Vin = VCC or GND A Vin = VCC or GND, Iout = 0 A HD74HC238 Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Item Symbol VCC (V) Propagation delay time tPLH tPHL Output rise/fall time tTLH tTHL Input capacitance Cin 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 -- Ta = 25C Min Typ Max -- -- 150 -- 15 30 -- -- 26 -- -- 150 -- 13 30 -- -- 26 -- -- 75 -- 5 15 -- -- 13 -- 5 10 Ta = -40 to +85C Unit Test Conditions Min Max -- 190 ns Select to Y -- 38 -- 33 ns Enable to Y -- 190 -- 38 -- 33 -- 95 ns -- 19 -- 16 -- 10 pF Test Circuit Measurement point CL* Note: CL includes the probe and fig capacitance. Waveforms tr tf 90 % 50 % Input 10 % 10 % t PLH 0V t PHL 90 % Same-phase output VCC 90 % 50 % VOH 90 % 50 % 10 % t PHL 50 % 10 % t TLH t PLH t THL 90 % 90 % Inverse-phase output 50 % 10 % t THL VOL 50 % 10 % VOH VOL t TLH Notes: 1. Input waveform: PRR 1 MHz, Zo = 50 , tr 6 ns, tf 6 ns 2. The output are measured one at a time with one transition per measurement. Rev.2.00 Jan 31, 2006 page 4 of 6 HD74HC238 Package Dimensions JEITA Package Code P-DIP16-6.3x19.2-2.54 RENESAS Code PRDP0016AE-B MASS[Typ.] 1.05g Previous Code DP-16FV D 9 E 16 1 8 b3 0.89 Z A1 A Reference Symbol L e Nom c e1 D 19.2 E 6.3 JEITA Package Code P-SOP16-5.5x10.06-1.27 RENESAS Code PRSP0016DH-B *1 Previous Code FP-16DAV 7.4 A1 0.51 b p 0.40 b 3 0.48 0.56 1.30 c 0.19 0 e 2.29 0.25 0.31 2.54 2.79 15 1.12 L 2.54 MASS[Typ.] 0.24g NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. D F 16 20.32 5.06 Z ( Ni/Pd/Au plating ) Max 7.62 1 A bp e Dimension in Millimeters Min 9 c HE *2 E bp Index mark Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) 1 Z *3 bp Nom D 10.06 E 5.50 Max 10.5 A2 8 e Dimension in Millimeters Min x A1 M 0.00 0.10 0.20 0.34 0.40 0.46 0.15 0.20 0.25 7.80 8.00 A L1 2.20 bp b1 c A c A1 y L Detail F 1 0 HE 7.50 e 1.27 x 0.12 y 0.15 0.80 Z L L Rev.2.00 Jan 31, 2006 page 5 of 6 8 0.50 1 0.70 1.15 0.90 HD74HC238 JEITA Package Code P-SOP16-3.95x9.9-1.27 RENESAS Code PRSP0016DG-A *1 Previous Code FP-16DNV MASS[Typ.] 0.15g D NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. F 16 9 c *2 Index mark HE E bp Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) Dimension in Millimeters Min Nom Max D 9.90 10.30 E 3.95 A2 8 1 Z e *3 bp x A1 0.10 0.14 0.25 0.34 0.40 0.46 0.15 0.20 0.25 6.10 6.20 1.75 A M L1 bp b1 c A c A1 L y Detail F 1 0 HE 5.80 e 1.27 x 0.25 y 0.15 0.635 Z 0.40 L L Rev.2.00 Jan 31, 2006 page 6 of 6 8 1 0.60 1.08 1.27 Sales Strategic Planning Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Keep safety first in your circuit designs! 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. Notes regarding these materials 1. These materials are intended as a reference to assist our customers in the selection of the Renesas Technology Corp. 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 Corp. or a third party. 2. Renesas Technology Corp. assumes no responsibility for any damage, or infringement of any third-party's rights, originating in the use of any product data, diagrams, charts, programs, algorithms, or circuit application examples contained in these materials. 3. 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