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SN74LS688

Part Number	SN74LS688
Manufacturer	Motorola
Description	8-BIT MAGNITUDE COMPARATORS
Published	Jan 9, 2017
Detailed Description	8-BIT MAGNITUDE COMPARATORS The SN54 / 74LS682, 684, 688 are 8-bit magnitude comparators. These device types are designe...
Datasheet	SN74LS688 PDF File

Overview

8-BIT MAGNITUDE COMPARATORS The SN54 / 74LS682, 684, 688 are 8-bit magnitude comparators.
These device types are designed to perform comparisons between two eight-bit binary or BCD words.
All device types provide P = Q outputs and the LS682 and LS684 have P>Q outputs also.
The LS682, LS684 and LS688 are totem pole devices.
The LS682 has a 20 kΩ pullup resistor on the Q inputs for analog or switch data.
CONNECTION DIAGRAMS (TOP VIEW) VCC P=Q Q7 P7 Q6 P6 Q5 P5 Q4 P4 20 19 18 17 16 15 14 13 12 11 SN54/74LS682/684 1 2 3 4 5 6 7 8 9 10 P>Q P0 Q0 P1 Q1 P2 Q2 P3 Q3 GND VCC P=Q Q7 P7 Q6 P6 Q5 P5 Q4 P4 20 19 18 17 16 15 14 13 12 11 SN54/74LS682 SN54/74LS684 SN54/74LS688 8-BIT MAGNITUDE COMPARATORS L...

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