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74LS682

Motorola
Part Number 74LS682
Manufacturer Motorola
Description 8-BIT MAGNITUDE COMPARATORS
Published Apr 23, 2005
Detailed Description 8-BIT MAGNITUDE COMPARATORS The SN54 / 74LS682, 684, 688 are 8-bit magnitude comparators. These device types are designe...
Datasheet PDF File 74LS682 PDF File

74LS682
74LS682

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) SN54/74LS682 SN54/74LS684 SN54/74LS688 8-BIT MAGNITUDE COMPARATORS LOW POWER SCHOTTKY VCC P=Q 20 19 Q7 18 P7 17 Q6 16 P6 15 Q5 14 P5 13 Q4 12 P4 11 20 1 J SUFFIX CERAMIC CASE 732-03 SN54/74LS682/684 N SUFFIX PLASTIC CASE 738-03 1 1 P>Q 2 P0 3 Q0 4 P1 5 Q1 6 P2 7 Q2 8 P3 9 Q3 10 GND 20 VCC P=Q 20 19 Q7 18 P7 17 Q6 16 P6 15 Q5 14 P5 13 Q4 12 P4 11 20 1 DW SUFFIX SOIC CASE 751D-03 SN54/74LS688 ORDERING INFORMATION SN54LSXXXJ Ceramic SN74LSXXXN Plastic SN74LSXXXDW SOIC 1 G 2 P0 3 Q0 4 P1 5 Q1 6 P2 7 Q2 8 P3 9 Q3 10 GND FUNCTION TABLE INPUTS TYPE LS682 LS684 LS688 P=Q yes yes yes P>Q yes yes no OUTPUT ENABLE no no yes OUTPUT CONFIGURATION totem-pole totem-pole totem-pole DATA PULLUP yes no no P, Q P=Q P>Q PQ H L H H OUTPUTS H = HIGH Level, L = LOW Level, X = Irrelevant FAST AND LS TTL DATA 5-603 SN54/74LS682 • SN54/74LS684 • SN54/74LS688 GUARANTEED OPERATING RANGES Symbol VCC TA IOH IOL Supply Voltage Operating Ambient Temperature Range Output Current — High Output Current — Low Parameter 54 74 54 74 54, 74 54 74 Min 4.
5 4.
75 – 55 0 Typ 5.
0 5.
0 25 25 Max 5.
5 5.
25 125 70 –0.
4 12 24 Unit V °C mA mA DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol VIH VIL VIK VOH Parameter Input HIGH Voltage 54 Input LOW Voltage 74 Input Clamp Diode Voltage 54 Output HIGH Voltage 74 54, 74 VOL Output LOW Voltage 74 0.
35 0.
5 20 IIH Input HIGH Current LS628-Q Inputs Others LS682-Q Inputs IIL IOS Input LOW Current Oth...


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