SN74HC244N Equivalent & Substitute Parts

Part Overview

The SN74HC244N is a non-inverting buffer logic integrated circuit manufactured by Texas Instruments. It features 2 elements with 4 bits per element and 3-state output capability, housed in a 20-pin DIP package. The device operates across a 2V to 6V supply voltage range and maintains active product status with full RoHS3 compliance. Substitute parts are identified when equivalent electrical characteristics and mechanical compatibility are maintained across the same functional parameters.

Substiute Parts

SN74HC244N

Texas InstrumentsIn Stock: 4264SN74HC244N Datasheet

Current PartRFQ

SN74HC244AN

Texas InstrumentsIn Stock: 1502SN74HC244AN Datasheet

Parametric EquivalentRFQ

SN74HC241N

Texas InstrumentsIn Stock: 1569SN74HC241N Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74HC244N are qualified based on strict equivalence across the following critical parameters:

• Logic Type: Buffer, Non-Inverting
• Number of Elements: 2
• Number of Bits per Element: 4
• Output Type: 3-State
• Current - Output High, Low: 7.8mA, 7.8mA
• 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

All substitute parts maintain identical electrical performance characteristics and mechanical compatibility with the main part number.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical equivalence to the SN74HC244N. Selection between SN74HC244N, SN74HC244AN, and SN74HC241N is determined by availability and inventory levels, as all three devices are active products with identical RoHS3 compliance and operational specifications. The SN74HC244N offers the highest current inventory at 4236 units. The SN74HC244AN and SN74HC241N provide alternative sourcing options with 1486 and 1462 units in stock respectively.

Frequently Asked Questions (FAQ)

Q: Can SN74HC244AN be used as a direct replacement for SN74HC244N?

A: Yes. Both parts share identical logic type, element configuration, output characteristics, supply voltage range, operating temperature, package type, and mounting method. All electrical and mechanical parameters are equivalent.

Q: What is the difference between SN74HC244N and SN74HC241N?

A: Both devices are non-inverting buffers with 2 elements, 4 bits per element, and 3-state outputs in 20-DIP packages. They maintain identical electrical specifications including current output, supply voltage, and operating temperature. The base product numbers differ (74HC244 versus 74HC241), but functional parameters are equivalent.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. SN74HC244N, SN74HC244AN, and SN74HC241N are all ROHS3 compliant and REACH unaffected.

Q: Can these parts be used in through-hole PCB designs?

A: Yes. All listed parts feature through-hole mounting in 20-DIP packages with 0.300" (7.62mm) pitch, suitable for standard through-hole PCB assembly.

Q: What supply voltage range do these buffers support?

A: All substitute parts operate across 2V to 6V supply voltage range with identical output current specifications of 7.8mA for both high and low states.