SN74HC244

Name: SN74HC244
Brand: TI
SKU: SN74HC244
Price: 0.142 USD

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

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Data sheet

document-pdfAcrobat SNx4HC244 Octal Buffers and Line Drivers With 3-State Outputs datasheet (Rev. F)

SN74HC244

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Data sheet

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Product details

Technology family

HC

Supply voltage (min) (V)

2

Supply voltage (max) (V)

6

Number of channels

8

IOL (max) (mA)

7.8

Supply current (max) (µA)

80

IOH (max) (mA)

-7.8

Input type

Standard CMOS

Output type

3-State

Features

Balanced outputs, Input clamp diode, Very high speed (tpd 5-10ns)

Rating

Automotive, Catalog

Operating temperature range (°C)

-40 to 85

Technology family

HC

Supply voltage (min) (V)

2

Supply voltage (max) (V)

6

Number of channels

8

IOL (max) (mA)

7.8

Supply current (max) (µA)

80

IOH (max) (mA)

-7.8

Input type

Standard CMOS

Output type

3-State

Features

Balanced outputs, Input clamp diode, Very high speed (tpd 5-10ns)

Rating

Automotive, Catalog

Operating temperature range (°C)

-40 to 85

PDIP (N)

20

228.702 mm² 24.33 x 9.4

SOIC (DW)

20

131.84 mm² 12.8 x 10.3

SOP (NS)

20

98.28 mm² 12.6 x 7.8

SSOP (DB)

20

56.16 mm² 7.2 x 7.8

TSSOP (PW)

20

41.6 mm² 6.5 x 6.4

Wide Operating Voltage Range of 2 V to 6 V
High-Current Outputs Drive Up to 15 LSTTL Loads
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
Low Power Consumption: I_CC, 80-µA (Maximum)
Typical t_pd = 11 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA (Maximum)
On Products Compliant to MIL-PRF-38535, All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.

Wide Operating Voltage Range of 2 V to 6 V
High-Current Outputs Drive Up to 15 LSTTL Loads
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
Low Power Consumption: I_CC, 80-µA (Maximum)
Typical t_pd = 11 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA (Maximum)
On Products Compliant to MIL-PRF-38535, All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.

The SNx4HC244 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 SNx4HC244 devices are organized as two 4-bit buffers and drivers with separate output-enable (OE) inputs. When OE is low, the device passes noninverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.

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Technical documentation

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	Type	Title	Date
*	Data sheet	SNx4HC244 Octal Buffers and Line Drivers With 3-State Outputs datasheet (Rev. F)	09 May 2022
	Application note	Implications of Slow or Floating CMOS Inputs (Rev. E)	26 Jul 2021
	Application note	Optimizing AC Drive Control Panel Systems With Logic and Translation Use Cases	20 Jan 2021
	Selection guide	Logic Guide (Rev. AB)	12 Jun 2017
	Application note	Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)	02 Dec 2015
	User guide	LOGIC Pocket Data Book (Rev. B)	16 Jan 2007
	Application note	Simultaneous-Switching Performance of TI Logic Devices (Rev. B)	23 Feb 2005
	Application note	Semiconductor Packing Material Electrostatic Discharge (ESD) Protection	08 Jul 2004
	User guide	Signal Switch Data Book (Rev. A)	14 Nov 2003
	Application note	TI IBIS File Creation, Validation, and Distribution Processes	29 Aug 2002
	Application note	CMOS Power Consumption and CPD Calculation (Rev. B)	01 Jun 1997
	Application note	Designing With Logic (Rev. C)	01 Jun 1997
	Application note	Input and Output Characteristics of Digital Integrated Circuits	01 Oct 1996
	Application note	Live Insertion	01 Oct 1996
	Application note	SN54/74HCT CMOS Logic Family Applications and Restrictions	01 May 1996
	Application note	Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc	01 Apr 1996

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

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