SN74LS31D vs SN74LS31DRE4 vs SN74LS31DR

PartNumber	SN74LS31D	SN74LS31DRE4	SN74LS31DR
Description	Delay Lines / Timing Elements Hex Delay Elements	Delay Lines / Timing Elements Hex Delay Elements	IC HEX DELAY ELEMENT 16-SOIC
Manufacturer	Texas Instruments	Texas Instruments	-
Product Category	Delay Lines / Timing Elements	Delay Lines / Timing Elements	-
RoHS	Y	Y	-
Series	SN74LS31	-	-
Supply Voltage Max	5.25 V	5.25 V	-
Supply Voltage Min	4.75 V	4.75 V	-
Maximum Operating Temperature	+ 70 C	+ 70 C	-
Minimum Operating Temperature	0 C	0 C	-
Mounting Style	SMD/SMT	SMD/SMT	-
Package / Case	SOP-16	SOP-16	-
Packaging	Tube	Reel	-
Brand	Texas Instruments	Texas Instruments	-
Logic Family	74LS	74LS	-
Logic Type	2-Input NAND	2-Input NAND	-
Product Type	Delay Lines / Timing Elements	Delay Lines / Timing Elements	-
Factory Pack Quantity	40	1	-
Subcategory	Clock & Timer ICs	Clock & Timer ICs	-
Unit Weight	0.004938 oz	0.023492 oz	-
Function	-	Active Multiple Delay Line	-
Height	-	1.58 mm	-
Length	-	9.9 mm	-
Width	-	3.91 mm	-