Part # 74LS83 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: 54LS83A DM54LS83A DM74LS83A 4-Bit Binary Adders with Fast Carry

Part Details:

54LS83ADM54LS83ADM74LS83A May 1989 54LS83A DM54LS83A DM74LS83A4-Bit Binary Adders with Fast Carry General Description Features These full adders perform the addition of two 4-bit binary Y Full-carry look-ahead across the four bits numbers The sum (R) outputs are provided for each bit and Y Systems achieve partial look-ahead performance with the resultant carry (C4) is obtained from the fourth bit the economy of ripple carry These adders feature full internal look ahead across all four Y Typical add times bits This provides the system designer with partial look- Two 8-bit words 25 ns ahead performance at the economy and reduced package Two 16-bit words 45 ns count of a ripple-carry implementation Y Typical power dissipation per 4-bit adder 95 mW The adder logic including the carry is implemented in its Y Alternate Military Aerospace device (54LS83A) is avail- true form meaning that the end-around carry can be accom- able Contact a National Semiconductor Sales Office plished without the need for logic or level inversion Distributor for specifications Connection Diagram 4-Bit Dual-In-Line Package Binary Adders with Fast TL F 6378 ­ 1 Order Number 54LS83ADMQB 54LS83AFMQB DM54LS83AJ DM54LS83AW DM74LS83AWM or DM74LS83AN Carry See NS Package Number J16A M16B N16E or W16A C1995 National Semiconductor Corporation TL F 6378 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note)If Military Aerospace specified devices are required Note The ``Absolute Maximum Ratings are those values please contact the National Semiconductor Sales beyond which the safety of the device cannot be guaran- Office Distributors for availability and specifications teed The device should not be operated at these limits The Supply Voltage 7V parametric values defined in the ``Electrical Characteristics table are not guaranteed at the absolute maximum ratings

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74LS83.pdf Datasheet