SN74AC244NE4 Equivalent & Substitute Parts

Part Overview

The SN74AC244NE4 is a non-inverting buffer logic integrated circuit manufactured by Texas Instruments. This device functions as an 8-channel, 2V to 6V buffer with 3-state output capability, designed for signal buffering and line driving applications in digital logic systems. The part is classified as Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity.

Substiute Parts

SN74AC244NE4
Texas InstrumentsIn Stock: 1048SN74AC244NE4 Datasheet
SN74AC244NE4
Current Part
SN74AC241N
Texas InstrumentsIn Stock: 1839SN74AC241N Datasheet
SN74AC241N
Parametric Equivalent
SN74AC244N
Texas InstrumentsIn Stock: 1307SN74AC244N Datasheet
SN74AC244N
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number SN74AC244NE4
Manufacturer Texas Instruments
Series 74AC
Logic Type Buffer, Non-Inverting
Number of Elements 2
Number of Bits per Element 4
Output Type 3-State
Current - Output High, Low 24mA, 24mA
Voltage - Supply 2V ~ 6V
Operating Temperature -40°C ~ 85°C (TA)
Package / Case 20-DIP (0.300", 7.62mm)
Mounting Type Through Hole
RoHS Status ROHS3 Compliant
Product Status Active

Substitute Part Grouping Explanation

Substitute parts for the SN74AC244NE4 are identified based on strict parametric equivalence within the 74AC logic series. The substitution criteria are defined by the following parameters:

Critical Matching Parameters:

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 4
  • Output Type: 3-State
  • Current - Output High, Low: 24mA, 24mA
  • Voltage - Supply: 2V ~ 6V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Package / Case: 20-DIP (0.300", 7.62mm)
  • Mounting Type: Through Hole
  • RoHS Status: ROHS3 Compliant

All identified substitute parts maintain identical electrical specifications and mechanical packaging. Substitution is valid when all critical parameters match the main part specification.

Parameter Comparison

Parameter SN74AC244NE4 SN74AC241N SN74AC244N
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Series 74AC 74AC 74AC
Logic Type Buffer, Non-Inverting Buffer, Non-Inverting Buffer, Non-Inverting
Number of Elements 2 2 2
Number of Bits per Element 4 4 4
Output Type 3-State 3-State 3-State
Current - Output High, Low 24mA, 24mA 24mA, 24mA 24mA, 24mA
Voltage - Supply 2V ~ 6V 2V ~ 6V 2V ~ 6V
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Package / Case 20-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm)
Mounting Type Through Hole Through Hole Through Hole
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Product Status Active Active Active
REACH Status REACH Unaffected REACH Unaffected REACH Unaffected
ECCN EAR99 EAR99 EAR99
HTSUS 8542.39.0001 8542.39.0001 8542.39.0001

Engineering Selection Recommendations

Selection between SN74AC244NE4 and its substitute parts is based on product availability, inventory status, and compliance requirements. All three parts maintain identical electrical and mechanical specifications, ensuring direct functional interchangeability.

Compliance Basis: All parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.

Product Status: All parts maintain Active product status with Texas Instruments, ensuring continued manufacturing support and supply chain availability.

Inventory Considerations:

  • SN74AC244NE4: 949 Pcs available
  • SN74AC241N: 1825 Pcs available
  • SN74AC244N: 1249 Pcs available

Selection may be determined by immediate availability requirements and supply chain logistics.

Frequently Asked Questions (FAQ)

Q: Can SN74AC241N be used as a direct replacement for SN74AC244NE4?

A: Yes. Both parts share identical electrical parameters including logic type, element configuration, output type, current ratings, voltage supply range, and operating temperature. Both are packaged in 20-DIP through-hole format with matching mechanical dimensions.

Q: Are there any functional differences between SN74AC244NE4 and SN74AC244N?

A: No functional differences exist. Both parts are identical in electrical specification and packaging. The difference in part number designation reflects packaging or supplier variation only.

Q: What determines substitutability for 74AC series buffer parts?

A: Substitutability is determined by matching: logic type (non-inverting buffer), element count (2), bits per element (4), output type (3-state), current ratings (24mA), voltage supply range (2V-6V), operating temperature range (-40°C to 85°C), and package format (20-DIP through-hole).

Q: Are all substitute parts RoHS3 compliant?

A: Yes. SN74AC244NE4, SN74AC241N, and SN74AC244N are all ROHS3 compliant and REACH unaffected.

Q: Can these parts be used interchangeably in PCB designs?

A: Yes. Identical package format (20-DIP, 0.300" spacing) and pinout compatibility enable direct PCB footprint interchangeability.

Q: What is the operating temperature range for all substitute parts?

A: All parts operate across -40°C to 85°C (TA), meeting industrial and commercial temperature specifications.

Request Quote (Ships tomorrow)