DM54S32/DM74S32 Quad 2-Input OR Gates General Description This device contains four independent gates each of which performs the logic OR function. Connection Diagram Dual-In-Line Package TL/F/6452 – 1 Order Number DM54S32J, DM54S32W or DM74S32N See NS Package Number J14A, N14A or W14B Function Table YeAaB Inputs Output A B Y L L H H L H L H L H H H H e High Logic Level L e Low Logic Level C1995 National Semiconductor Corporation TL/F/6452 RRD-B30M105/Printed in U. S. A. DM54S32/DM74S32 Quad 2-Input OR Gates June 1989 Absolute Maximum Ratings (Note) Note: The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the ‘‘Electrical Characteristics’’ table are not guaranteed at the absolute maximum ratings. The ‘‘Recommended Operating Conditions’’ table will define the conditions for actual device operation. If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Supply Voltage 7V Input Voltage 5.5V Operating Free Air Temperature Range b 55§ C to a 125§ C DM54S DM74S 0§ C to a 70§ C b 65§ C to a 150§ C Storage Temperature Range Recommended Operating Conditions Symbol DM54S32 Parameter DM74S32 Units Min Nom Max Min Nom Max 4.5 5 5.5 4.75 5 5.25 VCC Supply Voltage VIH High Level Input Voltage VIL Low Level Input Voltage 0.8 0.8 V IOH High Level Output Current b1 b1 mA IOL Low Level Output Current 20 mA TA Free Air Operating Temperature 70 §C 2 2 20 b 55 125 V V 0 Electrical Characteristics over recommended operating free air temperature (unless otherwise noted) Symbol Parameter Min Typ (Note 1) DM54 2.5 3.4 DM74 2.7 3.4 Conditions Max Units b 1.2 V VI Input Clamp Voltage VCC e Min, II e b18 mA VOH High Level Output Voltage VCC e Min, IOH e Max VIH e Min VOL Low Level Output Voltage VCC e Min, IOL e Max VIL e Max II Input Current @ Max Input Voltage VCC e Max, VI e 5.5V IIH High Level Input Current VCC e Max, VI e 2.7V 50 mA IIL Low Level Input Current VCC e Max, VI e 0.5V b2 mA IOS Short Circuit Output Current VCC e Max (Note 2) ICCH Supply Current with Outputs High VCC e Max 18 32 mA ICCL Supply Current with Outputs Low VCC e Max 38 68 mA V 0.5 V 1 mA DM54 b 40 b 100 DM74 b 40 b 100 mA Switching Characteristics at VCC e 5V and TA e 25§ C (See Section 1 for Test Waveforms and Output Load) RL e 280X Symbol Parameter CL e 15 pF CL e 50 pF Units Min Max Min Max tPLH Propagation Delay Time Low to High Level Output 2 7 2 9 ns tPHL Propagation Delay Time High to Low Level Output 2 7 2 9 ns Note 1: All typicals are at VCC e 5V, TA e 25§ C. Note 2: Not more than one output should be shorted at a time, and the duration should not exceed one second. 2 Physical Dimensions inches (millimeters) 14-Lead Ceramic Dual-In-Line Package (J) Order Number DM54S32J NS Package Number J14A 14-Lead Molded Dual-In-Line Package (N) Order Number DM74S32N NS Package Number N14A 3 DM54S32/DM74S32 Quad 2-Input OR Gates Physical Dimensions inches (millimeters) (Continued) 14-Lead Ceramic Flat Package (W) Order Number DM54S32W NS Package Number W14B LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. National Semiconductor Corporation 1111 West Bardin Road Arlington, TX 76017 Tel: 1(800) 272-9959 Fax: 1(800) 737-7018 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. National Semiconductor Europe Fax: (a49) 0-180-530 85 86 Email: cnjwge @ tevm2.nsc.com Deutsch Tel: (a49) 0-180-530 85 85 English Tel: (a49) 0-180-532 78 32 Fran3ais Tel: (a49) 0-180-532 93 58 Italiano Tel: (a49) 0-180-534 16 80 National Semiconductor Hong Kong Ltd. 13th Floor, Straight Block, Ocean Centre, 5 Canton Rd. Tsimshatsui, Kowloon Hong Kong Tel: (852) 2737-1600 Fax: (852) 2736-9960 National Semiconductor Japan Ltd. Tel: 81-043-299-2309 Fax: 81-043-299-2408 National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.