54154 NSC | Alldatasheet

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Technical content

Features

Y Decodes 4 binary-coded inputs into one of 16 mutually exclusive outputs Y Performs the demultiplexing function by distributing data from one input line to any one of 16 outputs Y Input clamping diodes simplify system design Y High fan-out, low-impedance, totem-pole outputs Y Typical propagation delay 3 levels of logic 19 ns Strobe 18 ns Y Typical power dissipation 170 mW Y Alternate Military/Aerospace device (54154) is avail- able. Contact a National Semiconductor Sales Office/ Distributor for specifications. Connection Diagram Dual-In-Line Package TL/F/6548–1 Order Number 54154DMQB, 54154FMQB, DM54154J or DM74154N See NS Package Number J24A, N24A or W24C C1995 National Semiconductor Corporation RRD-B30M105/Printed in U. S. A.

Absolute Maximum Ratings (Note) 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 DM54 and 54 b55§Ct o a125§C DM74 0 §Ct o a70§C Storage Temperature Range b65§Ct o a150§C Note: The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaran- teed. 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. Recommended Operating Conditions Symbol Parameter DM54154 DM74154 Units Min Nom Max Min Nom Max VCC Supply Voltage 4.5 5 5.5 4.75 5 5.25 V VIH High Level Input Voltage 2 2 V VIL Low Level Input Voltage 0.8 0.8 V IOH High Level Output Current b0.8 b0.8 mA IOL Low Level Output Current 16 16 mA TA Free Air Operating Temperature b55 125 0 70 §C Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units(Note 1) VI Input Clamp Voltage V CC e Min, I I eb 12 mA b1.5 V VOH High Level Output V CC e Min, I OH e Max 2.4 3.2 VVoltage V IL e Max, V IH e Min VOL Low Level Output V CC e Min, I OL e Max 0.25 0.4 VVoltage V IH e Min, V IL e Max II Input Current @ Max V CC e Max, V I e 5.5V 1m AInput Voltage IIH High Level Input Current V CC e Max, V I e 2.4V 40 mA IIL Low Level Input Current V CC e Max, V I e 0.4V b1.6 mA IOS Short Circuit V CC e Max DM54 b20 b55 mAOutput Current (Note 2) DM74 b18 b57 ICC Supply Current V CC e Max DM54 34 49 mA(Note 3) DM74 34 56 Note 1: All typicals are at V CC e 5V, T A e 25§C. Note 2: Not more than one output should be shorted at a time. Note 3: ICC is measured with all outputs open and all inputs grounded. Switching Characteristics at V CC e 5V and T A e 25§C (See Section 1 for Test Waveforms and Output Load) Symbol Parameter From (Input) R L e 400X,C L e 15 pF UnitsTo (Output) Min Max tPLH Propagation Delay Time Data to 36 nsLow to High Level Output Output tPHL Propagation Delay Time Data to 33 nsHigh to Low Level Output Output tPLH Propagation Delay Time Strobe to 30 nsLow to High Level Output Output tPHL Propagation Delay Time Strobe to 27 nsHigh to Low Level Output Output

G 1 G 2 D C B A01234567891 0 1 1 1 2 1 3 1 4 1 5 L L LLLLL HHHHHHHHH HHHHHH L L L L LHHLHHHHHHHH HHHHHH L L LLHLHHL HHHHHHH HHHHHH L L L LHHHHHLHHHHHH HHHHHH L L LHL LHHHHLHHHHH HHHHHH L L LHLHHHHHHLHHHH HHHHHH L L LHHLHHHHHHLHHH HHHHHH L L LHHHHHHHHHHLHH HHHHHH L L HL L LHHHHHHHHLH HHHHHH L L HL LHHHHHHHHHHL HHHHHH L L HLHL HHHHHHHHHH L HHHHH L L HLHHHHHHHHHHHH H L HHHH L L HHL LHHHHHHHHHH H H L H H H L L HHLHHHHHHHHHHH H H H L H H L L HHHLHHHHHHHHHH HHHHLH L L HHHHHHHHHHHHHH HHHHHL L H XXXX HHHHHHHHHH HHHHHH H L XXXX HHHHHHHHHH HHHHHH H H XXXX HHHHHHHHHH HHHHHH H e High Level, L e Low Level, X e Don’t Care Logic Diagram TL/F/6548–2

Physical Dimensions inches (millimeters) 24-Lead Ceramic Dual-In-Line Package (J) Order Number 54154DMQB or DM54154J 24-Lead Molded Dual-In-Line Package (N) Order Number DM74154N

54154/DM54154/DM74154 4-Line to 16-Line Decoders/Demultiplexers Physical Dimensions inches (millimeters) (Continued) 24-Lead Ceramic Flat Package (W) Order Number 54154FMQB 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 2. A critical component is any component of a life systems which, (a) are intended for surgical implant support device or system whose failure to perform can into the body, or (b) support or sustain life, and whose be reasonably expected to cause the failure of the life failure to perform, when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can effectiveness. be reasonably expected to result in a significant injury to the user. National Semiconductor National Semiconductor National Semiconductor National Semiconductor Corporation Europe Hong Kong Ltd. Japan Ltd.

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a49) 0-180-530 85 86 13th Floor, Straight Block, Tel: 81-043-299-2309 Arlington, TX 76017 Email: cnjwge @ tevm2.nsc.com Ocean Centre, 5 Canton Rd. Fax: 81-043-299-2408 Tel: 1(800) 272-9959 Deutsch Tel: ( a49) 0-180-530 85 85 Tsimshatsui, Kowloon Fax: 1(800) 737-7018 English Tel: ( a49) 0-180-532 78 32 Hong Kong Fran3ais Tel: ( a49) 0-180-532 93 58 Tel: (852) 2737-1600 Italiano Tel: ( a49) 0-180-534 16 80 Fax: (852) 2736-9960 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.