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54LS258B

Motorola
Part Number 54LS258B
Manufacturer Motorola
Description QUAD 2-INPUT MULTIPLEXER
Published Aug 20, 2015
Detailed Description QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS The LSTTL / MSI SN54 / 74LS257B and the SN54 / 74LS258B are Quad 2-Input M...
Datasheet PDF File 54LS258B PDF File

54LS258B
54LS258B

Overview
QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS The LSTTL / MSI SN54 / 74LS257B and the SN54 / 74LS258B are Quad 2-Input Multiplexers with 3-state outputs.
Four bits of data from two sources can be selected using a Common Data Select input.
The four outputs present the selected data in true (non-inverted) form.
The outputs may be switched to a high impedance state with a HIGH on the common Output Enable (EO) Input, allowing the outputs to interface directly with bus oriented systems.
It is fabricated with the Schottky barrier diode process for high speed and is completely compatible with all Motorola TTL families.
• Schottky Process For High Speed • Multiplexer Expansion By Tying Outputs Together • Non-Inverting 3-State Outputs • Input Clamp Diodes Limit High Speed Termination Effects • Special Circuitry Ensures Glitch Free Multiplexing • ESD > 3500 Volts CONNECTION DIAGRAM DIP (TOP VIEW) VCC E0 I0c I1c Zc I0d I1d Zd 16 15 14 13 12 11 10 9 SN54/74LS257B VCC = PIN 16 GND = PIN 8 1 2 3 ...


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