CD74HC240E

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Texas Instruments

8-CH, 2-V TO 6-V INVERTERS WITH 3-STATE OUTPUTS

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DocumentsCDx4HC240, CDx4HCT240, CD74HC241, CDx4HCT241, CDx4HC244, CDx4HCT244 High-Speed CMOS Logic Octal Buffer/Line Drivers, Three-State datasheet (Rev. G)

CD74HC240E

Active

Texas Instruments

8-CH, 2-V TO 6-V INVERTERS WITH 3-STATE OUTPUTS

Deep-Dive with AI

DocumentsCDx4HC240, CDx4HCT240, CD74HC241, CDx4HCT241, CDx4HC244, CDx4HCT244 High-Speed CMOS Logic Octal Buffer/Line Drivers, Three-State datasheet (Rev. G)

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	CD74HC240E	74HC240 Series

Current - Output High, Low	7.8 mA, 7.8 mA	7.8 mA
Logic Type	Inverting, Buffer	Inverting, Buffer
Mounting Type	Through Hole	Surface Mount, Through Hole
Number of Bits per Element	4	4
Number of Elements [custom]	2	2
Operating Temperature [Max]	125 °C	85 - 125 °C
Operating Temperature [Min]	-55 C	-55 - -40 C
Output Type	3-State	3-State
Package / Case	20-DIP	20-SOIC, 20-DIP, 20-TSSOP, 20-SSOP
Package / Case	0.3 in	0.3 - 4.4 in
Package / Case	7.62 mm	7.62 mm
Package / Case	-	0.173 - 7.5 mm
Supplier Device Package	20-PDIP	20-SOIC, 20-PDIP, 20-TSSOP, 20-SO, 20-SSOP
Voltage - Supply [Max]	6 V	6 V
Voltage - Supply [Min]	2 V	2 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	646	$ 0.47
	Tube	1	$ 1.07
		20	$ 0.96
		40	$ 0.91
		100	$ 0.75
		260	$ 0.70
		500	$ 0.62
		1000	$ 0.49
		2500	$ 0.46
		5000	$ 0.43
Texas Instruments	TUBE	1	$ 0.88
		100	$ 0.68
		250	$ 0.50
		1000	$ 0.36

74HC240 Series

8-ch, 2V to 6V inverters with 3-state outputs

Part	Supplier Device Package	Voltage - Supply [Min]	Voltage - Supply [Max]	Package / Case	Package / Case	Current - Output High, Low	Mounting Type	Logic Type	Number of Bits per Element	Output Type	Number of Elements [custom]	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Package / Case
Texas Instruments CD74HC240M96 Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-SOIC	20-SOIC	2 V	6 V	0.295 in, 7.5 mm	20-SOIC	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-55 C	125 °C
Texas Instruments SN74HC240NG4 Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-PDIP	20-PDIP	2 V	6 V		20-DIP	7.8 mA, 7.8 mA	Through Hole	Buffer, Inverting	4	3-State	2	-40 °C	85 °C	0.3 in	7.62 mm
Texas Instruments SN74HC240N These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.	20-PDIP	2 V	6 V		20-DIP	7.8 mA, 7.8 mA	Through Hole	Buffer, Inverting	4	3-State	2	-40 °C	85 °C	0.3 in	7.62 mm
Texas Instruments SN74HC240PWT Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-TSSOP	20-TSSOP	2 V	6 V	0.173 in	20-TSSOP	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C	4.4 mm
Texas Instruments SN74HC240ANSR Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-SO	20-SO	2 V	6 V	0.209 in, 5.3 mm	20-SOIC	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C
Texas Instruments SN74HC240APWRG4 Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-TSSOP	20-TSSOP	2 V	6 V	0.173 in	20-TSSOP	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C	4.4 mm
Texas Instruments SN74HC240NSR These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.	20-SO	2 V	6 V	0.209 in, 5.3 mm	20-SOIC	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C
Texas Instruments SN74HC240AN Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-PDIP	20-PDIP	2 V	6 V		20-DIP	7.8 mA, 7.8 mA	Through Hole	Buffer, Inverting	4	3-State	2	-40 °C	85 °C	0.3 in	7.62 mm
Texas Instruments SN74HC240DBR These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.	20-SSOP	2 V	6 V	0.209 in, 5.3 mm	20-SSOP	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C
Texas Instruments SN74HC240NS Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-SO	20-SO	2 V	6 V	0.209 in, 5.3 mm	20-SOIC	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C
Texas Instruments SN74HC240DWR These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.	20-SOIC	2 V	6 V	0.295 in, 7.5 mm	20-SOIC	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C
Texas Instruments SN74HC240APW Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-TSSOP	20-TSSOP	2 V	6 V	0.173 in	20-TSSOP	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C	4.4 mm
Texas Instruments SN74HC240NE4 Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-PDIP	20-PDIP	2 V	6 V		20-DIP	7.8 mA, 7.8 mA	Through Hole	Buffer, Inverting	4	3-State	2	-40 °C	85 °C	0.3 in	7.62 mm
Texas Instruments SN74HC240ANS Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-SO	20-SO	2 V	6 V	0.209 in, 5.3 mm	20-SOIC	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C
Texas Instruments SN74HC240NSRE4 Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-SO	20-SO	2 V	6 V	0.209 in, 5.3 mm	20-SOIC	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C
Texas Instruments SN74HC240DWE4 Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-SOIC	20-SOIC	2 V	6 V	0.295 in, 7.5 mm	20-SOIC	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C
Texas Instruments CD74HC240E Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-PDIP	20-PDIP	2 V	6 V		20-DIP	7.8 mA, 7.8 mA	Through Hole	Buffer, Inverting	4	3-State	2	-55 C	125 °C	0.3 in	7.62 mm
Texas Instruments SN74HC240PWR These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.	20-TSSOP	2 V	6 V	0.173 in	20-TSSOP	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C	4.4 mm
Texas Instruments SN74HC240PW Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-TSSOP	20-TSSOP	2 V	6 V	0.173 in	20-TSSOP	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C	4.4 mm
Texas Instruments SN74HC240DWG4 Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-SOIC	20-SOIC	2 V	6 V	0.295 in, 7.5 mm	20-SOIC	7.8 mA, 7.8 mA	Surface Mount	Buffer, Inverting	4	3-State	2	-40 °C	85 °C

Description

General part information

74HC240 Series

These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.

Documents

Technical documentation and resources

CDx4HC240, CDx4HCT240, CD74HC241, CDx4HCT241, CDx4HC244, CDx4HCT244 High-Speed CMOS Logic Octal Buffer/Line Drivers, Three-State datasheet (Rev. G)

Data sheet