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SN74HCT240 Octal Buffers/Line Drivers

Texas Instruments SN74HCT240 Octal Buffers/Line Drivers are explicitly designed to improve the performance and density of clock drivers, 3-state memory address drivers, and bus-oriented receivers and transmitters. The Texas Instruments SN74HCT240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is high, the outputs are in the high-impedance state. When OE is low, the device passes inverted data from the A inputs to the Y outputs.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Logic Family	Number of Input Lines	Number of Output Lines	Polarity	Package/Case	High Level Output Current	Low Level Output Current	Quiescent Current	Supply Voltage - Min	Supply Voltage - Max	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Packaging
	Buffers & Line Drivers 8-ch 4.5V to 5.5V i nverters with TTL-co SN74HCT240DGSR Texas Instruments 1: $0.44 4,999In Stock	Mfr. Part No. SN74HCT240DGSR Mouser Part No 595-SN74HCT240DGSR	Texas Instruments	Buffers & Line Drivers 8-ch 4.5V to 5.5V i nverters with TTL-co Learn More about Texas Instruments ti sn74hct240 octal buffers line drivers	Datasheet	4,999In Stock	Cut Tape $0.44 $0.304 $0.27 $0.233 View Reel $0.197 $0.215 $0.205 $0.197 $0.197	Min.: 1 Mult.: 1 Max.: 1,001 : 5,000			HCT	8 Input	8 Output		VSSOP-20				4.5 V	5.5 V		- 40 C	+ 125 C	SMD/SMT	Reel, Cut Tape
	Buffers & Line Drivers Octal w/Tri-St Out A 595-SN74HCT240DW A A 595-SN74HCT240DW SN74HCT240DWR Texas Instruments 1: $0.87 1,730In Stock	Mfr. Part No. SN74HCT240DWR Mouser Part No 595-SN74HCT240DWR	Texas Instruments	Buffers & Line Drivers Octal w/Tri-St Out A 595-SN74HCT240DW A A 595-SN74HCT240DW Learn More about Texas Instruments ti sn74hct240 octal buffers line drivers	Datasheet	1,730In Stock	Cut Tape $0.87 $0.643 $0.58 $0.511 Reel $0.426 View $0.477 $0.456 $0.455 $0.414 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			HCT	8 Input	8 Output	Inverting	SOIC-20	- 6 mA	6 mA	8 uA	4.5 V	5.5 V	80 uA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
	Buffers & Line Drivers Tri-State Octal SN74HCT240N Texas Instruments 1: $0.961 2,172In Stock	Mfr. Part No. SN74HCT240N Mouser Part No 595-SN74HCT240N	Texas Instruments	Buffers & Line Drivers Tri-State Octal Learn More about Texas Instruments ti sn74hct240 octal buffers line drivers	Datasheet	2,172In Stock	$0.961 $0.636 $0.593 $0.547 View $0.511 $0.49 $0.472 $0.454 $0.442	Min.: 1 Mult.: 1			HCT	8 Input	8 Output	Inverting	PDIP-20	- 6 mA	6 mA	8 uA	4.5 V	5.5 V	80 uA	- 40 C	+ 85 C	Through Hole	Tube
	Buffers & Line Drivers 8-ch 4.5V to 5.5V i nverters with TTL-co SN74HCT240NSR Texas Instruments 1: $0.93 949In Stock	Mfr. Part No. SN74HCT240NSR Mouser Part No 595-SN74HCT240NSR	Texas Instruments	Buffers & Line Drivers 8-ch 4.5V to 5.5V i nverters with TTL-co Learn More about Texas Instruments ti sn74hct240 octal buffers line drivers	Datasheet	949In Stock	Cut Tape $0.93 $0.665 $0.60 $0.528 Reel $0.437 View $0.493 $0.473 $0.472 $0.427 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			HCT	8 Input	8 Output	Inverting	SOP-20	- 6 mA	6 mA	8 uA	4.5 V	5.5 V	80 uA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
	Buffers & Line Drivers Tri-State Octal A 59 5-SN74HCT240PW A 59 A 595-SN74HCT240PW SN74HCT240PWR Texas Instruments 1: $0.83 4,000Expected 2026/10/12	Mfr. Part No. SN74HCT240PWR Mouser Part No 595-SN74HCT240PWR	Texas Instruments	Buffers & Line Drivers Tri-State Octal A 59 5-SN74HCT240PW A 59 A 595-SN74HCT240PW Learn More about Texas Instruments ti sn74hct240 octal buffers line drivers	Datasheet	4,000Expected 2026/10/12	Cut Tape $0.83 $0.592 $0.533 $0.468 View Reel $0.376 $0.437 $0.418 $0.415 $0.376 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			HCT	8 Input	8 Output	Inverting	TSSOP-20	- 6 mA	6 mA	8 uA	4.5 V	5.5 V	80 uA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
	Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt ALT ALT 595-SN74HCT240DWR SN74HCT240DWRE4 Texas Instruments 1: $0.98 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. SN74HCT240DWRE4 Mouser Part No 595-SN74HCT240DWRE4	Texas Instruments	Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt ALT ALT 595-SN74HCT240DWR Learn More about Texas Instruments ti sn74hct240 octal buffers line drivers	Datasheet	Non-Stocked Lead-Time 9 Weeks	Cut Tape $0.98 $0.686 $0.616 $0.538 View Reel $0.386 $0.50 $0.478 $0.461 $0.386 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			HCT	8 Input	8 Output	Inverting	SOIC-20	- 6 mA	6 mA	8 uA	4.5 V	5.5 V	80 uA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel