DM5445 NSC | Alldatasheet

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Y Full decoding of input logic Y 80 mA sink-current capability Y All outputs are off for invalid BCD input conditions Connection Diagram Dual-In-Line Package TL/F/6517–1 Order Number DM5445J, DM5445W or DM7445N See NS Package Number J16A, N16E or W16A Function Table No. Inputs Outputs D C B A0123456789

0 L L L L LHHHHHHHHH

1 L L LHHLHHHHHHHH

2 L LHLHHLHHHHHHH

3 L LHHHHHLHHHHHH

4 LHL LHHHHLHHHHH

5 LHLHHHHHHLHHHH

6 LHHLHHHHHHLHHH

7 LHHHHHHHHHHLHH

8 HL L LHHHHHHHHLH

9 HL LHHHHHHHHHHL

D H e High Level (Off), L e Low Level (On) 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 Output Voltage 30V Operating Free Air Temperature Range DM54 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 DM5445 DM7445 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 VOH High Level Output Voltage 30 30 V IOL Low Level Output Current 20 20 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 ICEX High Level Output V CC e Min, V O e 30V 250 mACurrent V IL e Max, V IH e Min VOL Low Level Output V CC e Min, I OL e Max 0.2 0.4Voltage V IH e Min, V IL e Max V IOL e 80 mA 0.5 0.9VCC e Min 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 ICC Supply Current V CC e Max DM54 43 62 mA(Note 2) DM74 43 70 Switching Characteristics at V CC e 5V and T A e 25§C (See Section 1 for Test Waveforms and Output Load) Symbol Parameter Conditions Min Max Units tPLH Propagation Delay Time C L e 15 pF 49.5 nsLow to High Level Output R L e 100X tPHL Propagation Delay Time 49.5 nsHigh to Low Level Output Note 1: All typicals are at V CC e 5V, T A e 25§C. Note 2: ICC is measured with all inputs grounded and all outputs open.

TL/F/6517–2 Physical Dimensions inches (millimeters) 16-Lead Ceramic Dual-In-Line Package (J) Order Number DM5445J

DM5445/DM7445 BCD to Decimal Decoders/Drivers Physical Dimensions inches (millimeters) (Continued) 16-Lead Molded Dual-In-Line Package (N) Order Number DM7445N 16-Lead Ceramic Flat Package (W) Order Number DM5445W 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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