Specification	CD74HCT244E

Current - Output High, Low [custom]	6 mA
Current - Output High, Low [custom]	6 mA
Logic Type	Buffer, Non-Inverting
Mounting Type	Through Hole
Number of Bits per Element	4
Number of Elements	2
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 °C
Output Type	3-State
Package / Case	20-DIP
Package / Case	7.62 mm
Package / Case	0.3 in
Supplier Device Package	20-PDIP
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	4.5 V

SN74HCT244-Q1 Series

Enhanced product 8-ch, 4.5-V to 5.5-V buffers with TTL-compatible CMOS inputs and 3-state outputs

Part	Voltage - Supply [Min]	Voltage - Supply [Max]	Mounting Type	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Number of Elements	Logic Type	Operating Temperature [Max]	Operating Temperature [Min]	Number of Bits per Element	Supplier Device Package	Package / Case	Package / Case [y]	Package / Case [y]	Output Type	Package / Case	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case [x]
Texas Instruments SN74HCT244DWRG4	4.5 V	5.5 V	Surface Mount	6 mA	6 mA	2	Buffer Non-Inverting	85 °C	-40 °C	4	20-SOIC	20-SOIC	0.295 in	7.5 mm	3-State
Texas Instruments SN74HCT244NSR	4.5 V	5.5 V	Surface Mount	6 mA	6 mA	2	Buffer Non-Inverting	85 °C	-40 °C	4	20-SO	20-SOIC			3-State	0.209 "	5.3 mm
Texas Instruments CD74HCT244M	4.5 V	5.5 V	Surface Mount	6 mA	6 mA	2	Buffer Non-Inverting			4	20-SOIC	20-SOIC	0.295 in	7.5 mm	3-State			125 °C	-55 °C
Texas Instruments SN74HCT244QPWREP	4.5 V	5.5 V	Surface Mount	6 mA	6 mA	2	Buffer Non-Inverting	125 °C	-40 °C	4	20-TSSOP	20-TSSOP	4.4 mm		3-State					0.173 in
Texas Instruments CD74HCT244ME4	4.5 V	5.5 V	Surface Mount	6 mA	6 mA	2	Buffer Non-Inverting			4	20-SOIC	20-SOIC	0.295 in	7.5 mm	3-State			125 °C	-55 °C
Texas Instruments SN74HCT244QPWRQ1	4.5 V	5.5 V	Surface Mount	6 mA	6 mA	2	Buffer Non-Inverting	125 °C	-40 °C	4	20-TSSOP	20-TSSOP	4.4 mm		3-State					0.173 in
Texas Instruments CD74HCT244E	4.5 V	5.5 V	Through Hole	6 mA	6 mA	2	Buffer Non-Inverting			4	20-PDIP	20-DIP			3-State	0.3 in	7.62 mm	125 °C	-55 °C
Texas Instruments SN74HCT244DWG4	4.5 V	5.5 V	Surface Mount	6 mA	6 mA	2	Buffer Non-Inverting	85 °C	-40 °C	4	20-SOIC	20-SOIC	0.295 in	7.5 mm	3-State
Texas Instruments SN74HCT244NSRG4	4.5 V	5.5 V	Surface Mount	6 mA	6 mA	2	Buffer Non-Inverting	85 °C	-40 °C	4	20-SO	20-SOIC			3-State	0.209 "	5.3 mm
Texas Instruments SN74HCT244PWE4	4.5 V	5.5 V	Surface Mount	6 mA	6 mA	2	Buffer Non-Inverting	85 °C	-40 °C	4	20-TSSOP	20-TSSOP	4.4 mm		3-State					0.173 in

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 0.91
		20	$ 0.81
		40	$ 0.77
		100	$ 0.63
		260	$ 0.59
		500	$ 0.52
		1000	$ 0.41
		2500	$ 0.39
		5000	$ 0.37
Texas Instruments	TUBE	1	$ 0.78
		100	$ 0.53
		250	$ 0.41
		1000	$ 0.27

Description

General part information

SN74HCT244-Q1 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 SNx4HCT244 devices are organized as two 4-bit buffers or drivers with separate output-enable (OE) inputs. When OE is low, the device passes non 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

LOGIC Pocket Data Book (Rev. B)

User guide

SN54/74HCT CMOS Logic Family Applications and Restrictions

Application note

Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)

Application note

CD74HCT244E

Deep-Dive with AI

CD74HCT244E

Deep-Dive with AI

Technical Specifications

SN74HCT244-Q1 Series

Pricing

Description

SN74HCT244-Q1 Series

Documents

Designing With Logic (Rev. C)

Implications of Slow or Floating CMOS Inputs (Rev. E)

CMOS Power Consumption and CPD Calculation (Rev. B)

Signal Switch Data Book (Rev. A)

TI IBIS File Creation, Validation, and Distribution Processes

Semiconductor Packing Material Electrostatic Discharge (ESD) Protection

Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc

Logic Guide (Rev. AB)

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

LOGIC Pocket Data Book (Rev. B)

SN54/74HCT CMOS Logic Family Applications and Restrictions

Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)

SN74HCT244-Q1 Series