Our standard product range covers a wide temperature range with long term availability and no mask changes guaranteed. Matching of die size, wire-bond configuration and like-for-like electrical performance delivers a qualified long term die solution. Suitable for low-to-medium volume or hi-rel applications. We combine technical requirement with project economics for a viable die solution. Output data presents in non-inverted form. A high on Output Enable input sets all four Y outputs to a low level.

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June General Description. These data selectors multiplexers contain inverters and drivers to supply full on-chip data selection to the four out- put gates A separate strobe input is provided A 4-bit word is selected from one of two sources and is routed to the four outputs The LS presents true data whereas the LS presents inverted data to minimize propagation delay time.

Expand any data input point. Multiplex dual data buses. Generate four functions of two variables one variable is common. Source programmable counters. Y Typical Power Dissipation.

Connection Diagrams. Dual-In-Line Package. TL F —1. Function Table. TL F —2. Output Y. C National Semiconductor Corporation. TL F 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. Input Voltage. Operating Free Air Temperature Range. DM54LS and. Storage Temperature Range. Recommended Operating Conditions. High Level Input Voltage. Low Level Input Voltage. High Level Output Current. Low Level Output Current. Free Air Operating Temperature. Note 1.

Input Clamp Voltage. High Level Output Voltage. Low Level Output Voltage. Input Current Max Input Voltage. High Level Input Current.

Low Level Input Current. Short Circuit. Output Current. Supply Current. From Input. To Output. Logic Diagrams. TL F —3. TL F —4. Physical Dimensions inches millimeters. Physical Dimensions inches millimeters Continued. Selectors Multiplexers. National Semiconductor. Hong Kong Ltd. Japan Ltd. Fax a 49 85 Fax Arlington TX Email cnjwge tevm2 nsc com.

Ocean Centre 5 Canton Rd. Tel 1 Fax 1 Tel a 49 85 85 Tel a 49 78 Tsimshatsui Kowloon Hong Kong. Fran ais Tel a 49 93 Tel Tel a 49 16 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.

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74ls157 datasheet

We use Cookies to give you best experience on our website. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information. Four bits of data from two sources can be selected using the common Select and Enable inputs. The four buffered outputs present the selected data in the true non-inverted form. The MUX [3.


Bare Die Data Sheet: 74LS157


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