SN74LS257D Motorola, SN74LS257D Datasheet
SN74LS257D
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SN74LS257D Summary of contents
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... HIGH on the common Output Enable ( In- put, allowing the outputs to interface directly with bus oriented systems fabricated with the Schottky barrier diode process for high speed and is com- pletely compatible with all Motorola TTL families. Schottky Process For High Speed Multiplexer Expansion By Tying Outputs Together ...
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SN54/74LS257B LOGIC DIAGRAMS PIN 16 4 GND = PIN PIN NUMBERS D ...
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SN54/74LS257B FUNCTIONAL DESCRIPTION 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, the I ...
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SN54/74LS257B DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input HIGH Voltage Input LOW Voltage Input LOW Voltage V IK Input Clamp Diode Voltage Output HIGH Voltage Output ...
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G - 0.25 (0.010 - SEATING -T- PLANE 0.25 (0.010) ...
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... Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “ ...