SN54HC541J Equivalent & Substitute Parts

Part Overview

The SN54HC541J is a military-grade, non-inverting buffer IC manufactured by Texas Instruments, designed for applications requiring 8-channel buffering with 3-state output capability. This device operates across a 2V to 6V supply voltage range and is rated for military temperature specifications (-55°C to 125°C). The part is currently active in production with 98,688 units in stock. Substitute parts are identified when equivalent electrical performance, package compatibility, and functional specifications align with the original design requirements.

Substiute Parts

SN54HC541J
Texas InstrumentsIn Stock: 98701SN54HC541J Datasheet
SN54HC541J
Current Part
CD54HC541F
Harris CorporationIn Stock: 1555CD54HC541F Datasheet
CD54HC541F
Parametric Equivalent
CD54HC541F
Harris CorporationIn Stock: 1555CD54HC541F Datasheet
CD54HC541F
Parametric Equivalent

Key Parameters

Parameter Value
Logic Type Buffer, Non-Inverting
Number of Elements 1
Number of Bits per Element 8
Output Type 3-State
Current - Output High, Low 7.8mA, 7.8mA
Voltage - Supply 2V ~ 6V
Operating Temperature -55°C ~ 125°C (TA)
Package / Case 20-CDIP (0.300", 7.62mm)
Mounting Type Through Hole
Series 54HC

Substitute Part Grouping Explanation

Substitute parts for the SN54HC541J are identified based on strict parametric equivalence. The following criteria determine substitutability:

  • Logic Type: Buffer, Non-Inverting (identical function)
  • Number of Elements: 1 (identical configuration)
  • Number of Bits per Element: 8 (identical bit width)
  • Output Type: 3-State (identical output capability)
  • Current - Output High, Low: 7.8mA, 7.8mA (identical drive capability)
  • Voltage - Supply: 2V ~ 6V (identical supply range)
  • Operating Temperature: -55°C ~ 125°C (identical temperature range)
  • Package / Case: 20-CDIP (0.300", 7.62mm) (identical physical package)
  • Mounting Type: Through Hole (identical mounting method)
  • Series: 54HC (identical logic family)

Parts meeting all these parameters are classified as parametric equivalents and may be used as direct substitutes in circuit designs.

Parameter Comparison

Parameter SN54HC541J (Texas Instruments) CD54HC541F (Harris Corporation)
Manufacturer Texas Instruments Harris Corporation
Logic Type Buffer, Non-Inverting Buffer, Non-Inverting
Number of Elements 1 1
Number of Bits per Element 8 8
Output Type 3-State 3-State
Current - Output High, Low 7.8mA, 7.8mA 7.8mA, 7.8mA
Voltage - Supply 2V ~ 6V 2V ~ 6V
Operating Temperature -55°C ~ 125°C (TA) -55°C ~ 125°C (TA)
Package / Case 20-CDIP (0.300", 7.62mm) 20-CDIP (0.300", 7.62mm)
Mounting Type Through Hole Through Hole
Series 54HC 54HC
Product Status Active Active
RoHS Status ROHS3 Compliant RoHS non-compliant
Inventory 98,688 Pcs New Original In Stock 1,463 Pcs New Original In Stock

Engineering Selection Recommendations

The CD54HC541F from Harris Corporation is a parametric equivalent to the SN54HC541J. Both parts share identical electrical specifications, functional characteristics, and physical packaging. Selection between these parts should be based on the following factors:

RoHS Compliance: The SN54HC541J is ROHS3 compliant, while the CD54HC541F is RoHS non-compliant. Applications subject to RoHS regulations should specify the SN54HC541J.

Product Availability: The SN54HC541J has significantly higher inventory availability (98,688 units) compared to the CD54HC541F (1,463 units). Lead time and supply chain considerations may favor the Texas Instruments part.

Moisture Sensitivity: The SN54HC541J has no applicable moisture sensitivity level, while the CD54HC541F is rated MSL 3 (168 Hours). Storage and handling requirements differ between these parts.

REACH Status: The SN54HC541J is REACH Unaffected, while the CD54HC541F is REACH Affected. Applications in regulated markets should verify compliance requirements.

Both parts are active products suitable for new designs and are electrically interchangeable in 20-CDIP through-hole applications requiring 8-bit non-inverting buffering with 3-state output capability.

Frequently Asked Questions (FAQ)

Q: Can the CD54HC541F replace the SN54HC541J in existing designs?

A: Yes. The CD54HC541F is a parametric equivalent with identical electrical specifications, output drive capability, supply voltage range, operating temperature range, and 20-CDIP package. Direct substitution is electrically compatible. However, compliance requirements (RoHS, REACH) and moisture sensitivity levels must be evaluated for your specific application.

Q: What are the key differences between these parts?

A: The primary differences are manufacturer (Texas Instruments vs. Harris Corporation), RoHS compliance status, moisture sensitivity level, and inventory availability. Electrical performance and package specifications are identical.

Q: Are there any package compatibility concerns?

A: No. Both parts use the identical 20-CDIP (0.300", 7.62mm) through-hole package with the same pin configuration and mounting method. PCB layouts and socket compatibility are identical.

Q: Which part should I specify for a new design?

A: Selection depends on your application requirements. For RoHS-compliant applications, specify the SN54HC541J. For applications without RoHS requirements, either part is suitable. Consider inventory availability and lead times when making your selection.

Q: Are the output drive capabilities identical?

A: Yes. Both parts provide identical output current specifications of 7.8mA for both high and low states, ensuring equivalent signal integrity and fan-out capability.

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