54LS258B Datasheet and Specifications PDF

The 54LS258B is a Quad 2-Data Selectors/Multiplexers.

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Part Number54LS258B Datasheet
ManufacturerNational Semiconductor
Overview These Schottky-clamped high-performance multiplexers feature TRI-STATE outputs that can interface directly with data lines of bus-organized systems With all but one of the common outputs disabled (at . Y TRI-STATE versions LS157 and LS158 with same pinouts Y Schottky-clamped for significant improvement in A-C performance Y Provides bus interface from multiple sources in highperformance systems Y Average propagation delay from data input 12 ns Y Typical power dissipation LS257B 50 mW LS258B 35 mW Y.
Part Number54LS258B Datasheet
DescriptionQUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
ManufacturerTexas Instruments
Overview SN54LS257B, SN54LS258B, SN54S257, SN54S258 SN74LS257B, SN74LS258B, SN74S257, SN74S258 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SDLS148 – OCTOBER 1976 – REVISED MARCH 1988 PRODUCTION DAT. LS258B, SN54S257, SN54S258 SN74LS257B, SN74LS258B, SN74S257, SN74S258 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SDLS148
* OCTOBER 1976
* REVISED MARCH 1988 4
* POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54LS257B, SN54LS258B, SN54S257, SN54S258 SN74LS257B, SN74LS258B, SN74S257, SN74.
Part Number54LS258B Datasheet
DescriptionQUAD 2-INPUT MULTIPLEXER
ManufacturerMotorola Semiconductor
Overview The LS257B and LS258B are Quad 2-Input Multiplexers with 3-state outputs. They select four bits of data from two sources each under control of a Common Data Select Input. When the Select Input is LOW,. 4 56 78 S I0a I1a Za I0b I1b Zb GND VCC E0 I0c I1c Zc I0d I1d Zd 16 15 14 13 12 11 10 9 SN54/74LS258B 1 2 3 4 56 78 S I0a I1a Za I0b I1b Zb GND NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package. SN54/74LS257B SN54/74LS258B QUAD 2-INPUT MULTIPLEXER WIT.

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