74AHC244; 74AHCT244

Selection guide

Datasheet

74AHC244; 74AHCT244
(Product Specification)
20-Dec-07, 16 pages, 96 kB

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74AHC244; 74AHCT244 - Octal buffer/line driver; 3-state

General description
Features
Products/packages
Quality/reliability/chemical content

Pricing/ordering/availability
Samples
Discontinued information
Applications
Block diagrams/pinning

Design support
Parametrics/similar products
Print/email
Disclaimers

All information hereunder is subject to the subsequent disclaimers

General description

The 74AHC244; 74AHCT244 is a high-speed Si-gate CMOS device.

The 74AHC244; 74AHCT244 has octal non-inverting buffer/line drivers with 3-state outputs. The 3-state outputs are controlled by the output enable inputs (nOE). A HIGH on nOE causes the outputs to assume a high-impedance OFF-state.

Features

Balanced propagation delays
All inputs have a Schmitt-trigger action
Inputs accepts voltages higher than V_CC
For 74AHC244 only: operates with CMOS input levels
For 74AHCT244 only: operates with TTL input levels
ESD protection:
- HBM JESD22-A114E exceeds 2000 V
- MM JESD22-A115-A exceeds 200 V
- CDM JESD22-C101C exceeds 1000 V
Multiple package options
Specified from -40 Cel to +85 Cel and from -40 Cel to +125 Cel

Products/packages

Type number	Orderable part number	Ordering code (12NC)	Product status	Package	Packing	Marking
74AHC244BQ	74AHC244BQ,115	9352 855 37115	Volume production	SOT764-1 (DHVQFN20)	Reel Pack, SMD, 7"	Standard Marking
74AHC244D	74AHC244D,112	9352 620 01112	Volume production	SOT163	Tube	Standard Marking
74AHC244D	74AHC244D,118	9352 620 01118	Volume production	SOT163	Reel Pack, SMD, 13"	Standard Marking
74AHC244PW	74AHC244PW,112	9352 620 02112	Volume production	SOT360	Tube	Standard Marking
74AHC244PW	74AHC244PW,118	9352 620 02118	Volume production	SOT360	Reel Pack, SMD, 13"	Standard Marking
74AHCT244BQ	74AHCT244BQ,115	9352 855 41115	Volume production	SOT764-1 (DHVQFN20)	Reel Pack, SMD, 7"	Standard Marking
74AHCT244D	74AHCT244D,112	9352 619 57112	Volume production	SOT163	Tube	Standard Marking
74AHCT244D	74AHCT244D,118	9352 619 57118	Volume production	SOT163	Reel Pack, SMD, 13"	Standard Marking
74AHCT244PW	74AHCT244PW,112	9352 619 59112	Volume production	SOT360	Tube	Standard Marking
74AHCT244PW	74AHCT244PW,118	9352 619 59118	Volume production	SOT360	Reel Pack, SMD, 13"	Standard Marking

Quality/reliability/chemical content

Type number	Orderable part number	Chemical content	Leadfree Conversion date	IRF (FIT)	MTBF (hours)	MSL
74AHC244BQ	74AHC244BQ,115	74AHC244BQ	Always Pb-free	6,62	1,51E+08	1
74AHC244D	74AHC244D,112	74AHC244D	week 30, 2004	6,62	1,51E+08	1
74AHC244D	74AHC244D,118	74AHC244D	week 30, 2004	6,62	1,51E+08	1
74AHC244PW	74AHC244PW,112	74AHC244PW	week 7, 2005	6,62	1,51E+08	1
74AHC244PW	74AHC244PW,118	74AHC244PW	week 7, 2005	6,62	1,51E+08	1
74AHCT244BQ	74AHCT244BQ,115	74AHCT244BQ	Always Pb-free	6,62	1,51E+08	1
74AHCT244D	74AHCT244D,112	74AHCT244D	week 30, 2004	6,62	1,51E+08	1
74AHCT244D	74AHCT244D,118	74AHCT244D	week 30, 2004	6,62	1,51E+08	1
74AHCT244PW	74AHCT244PW,112	74AHCT244PW	week 7, 2005	6,62	1,51E+08	1
74AHCT244PW	74AHCT244PW,118	74AHCT244PW	week 7, 2005	6,62	1,51E+08	1

Quality and reliability disclaimer

Pricing/ordering/availability

Type number	Ordering code(12NC)	Orderable part number	Indicative price/unit($)	Region	Distributor	In stock	Order quantity	Inventory date	Buy online	Samples
74AHC244BQ	9352 855 37115	74AHC244BQ,115		NA	MOUSER ELECTRONICS	3,000		11/20/2009	Buy online	not available
				NA	ARROW ELECTRONICS	3,000		11/19/2009	Buy online
				NA	MOUSER ELECTRONICS	3,000		11/20/2009	Buy online
74AHC244D	9352 620 01112	74AHC244D,112	0.2500	NA	AVNET ELECTRONICS MARKETING	1,283		11/19/2009	Buy online	not available
74AHC244D	9352 620 01118	74AHC244D,118	0.2500	NA	MOUSER ELECTRONICS	24		11/20/2009	Buy online	not available
				NA	MOUSER ELECTRONICS	24		11/20/2009	Buy online
74AHC244PW	9352 620 02112	74AHC244PW,112	0.2500							not available
74AHC244PW	9352 620 02118	74AHC244PW,118	0.2500	NA	MOUSER ELECTRONICS	1,760		11/20/2009	Buy online	Order samples
				NA	FUTURE ELECTRONICS	100		11/19/2009	Buy online
				NA	ARROW ELECTRONICS	2,500		11/19/2009	Buy online
				NA	MOUSER ELECTRONICS	1,760		11/20/2009	Buy online
				ASIA	WPI	2,500	2500	11/19/2009	Buy online
74AHCT244BQ	9352 855 41115	74AHCT244BQ,115		NA	ARROW ELECTRONICS	3,000		11/19/2009	Buy online	not available
74AHCT244D	9352 619 57112	74AHCT244D,112	0.2500	NA	MOUSER ELECTRONICS	863		11/20/2009	Buy online	not available
				NA	MOUSER ELECTRONICS	863		11/20/2009	Buy online
74AHCT244D	9352 619 57118	74AHCT244D,118	0.2500	NA	MOUSER ELECTRONICS	100		11/20/2009	Buy online	not available
				NA	MOUSER ELECTRONICS	100		11/20/2009	Buy online
				ASIA	SACL - Hong Kong/China	yes	2000	11/20/2009	Buy online
74AHCT244PW	9352 619 59112	74AHCT244PW,112	0.2500	NA	AVNET ELECTRONICS MARKETING	114		11/19/2009	Buy online	not available
74AHCT244PW	9352 619 59118	74AHCT244PW,118	0.2500	NA	AVNET ELECTRONICS MARKETING	57		11/19/2009	Buy online	Order samples
				NA	DIGI-KEY CORPORATION	871		11/20/2009	Buy online
				NA	MOUSER ELECTRONICS	566		11/20/2009	Buy online
				NA	FUTURE ELECTRONICS	34,860		11/19/2009	Buy online
				NA	ARROW ELECTRONICS	5,000		11/19/2009	Buy online
				NA	MOUSER ELECTRONICS	566		11/20/2009	Buy online
				ASIA	SAC - Taiwan	yes	2500	11/20/2009	Buy online
				ASIA	WPI	5,000	2500	11/19/2009	Buy online

Applications

Related applications
Intelligent washing machine
Transceiver board
Main CPU board

Block diagrams/pinning

Design support

Application Notes

AN263; Power considerations when using CMOS and BiCMOS logic devices (2002-02-05)

Parametrics/similar products

Type number	Package	Description	Propagation Delay(ns)	Voltage	No. of Pins	Power Dissipation Considerations	Logic Switching Levels	Output Drive Capability
74AHC244D	SOT163	Buffer/Line Driver; Non-Inverting (3-State)	3.5@5V	2.0-5.5 V	20	Low Power or Battery Applications	CMOS	+/- 8 mA
74AHC244PW	SOT360	Buffer/Line Driver; Non-Inverting (3-State)	3.5@5V	2.0-5.5 V	20	Low Power or Battery Applications	CMOS	+/- 8 mA
74AHCT244D	SOT163	Buffer/Line Driver; Non-Inverting; TTL Enabled (3-State)	5	4.5-5.5 V	20	Low Power	TTL	+/- 8 mA
74AHCT244PW	SOT360	Buffer/Line Driver; Non-Inverting; TTL Enabled (3-State)	5	4.5-5.5 V	20	Low Power	TTL	+/- 8 mA

Similar products
74AHC244; 74AHCT244 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

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