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CD74ACT541M Equivalent & Substitute Parts
Part Overview
The CD74ACT541M is a non-inverting buffer logic IC manufactured by Texas Instruments, designed for 8-bit buffering applications with 3-state output capability. This device operates across a 4.5V to 5.5V supply range and is housed in a 20-SOIC surface mount package. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. Substitute parts maintain identical functional specifications and package geometry while offering alternative sourcing options from active product lines.
Substiute Parts
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 | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature Range | -55°C ~ 125°C (TA) |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Base Product Number | 74ACT541 |
Substitute Part Grouping Explanation
Substitution eligibility for the CD74ACT541M is determined by the following critical parameters:
- Logic function: Buffer, Non-Inverting with 1 element and 8 bits per element
- Output configuration: 3-State output
- Output current capability: 24mA high and low
- Supply voltage range: 4.5V ~ 5.5V
- Package type: 20-SOIC surface mount
- Base product series: 74ACT541
All substitute parts listed maintain these core electrical and mechanical specifications. Variations in operating temperature range, packaging format (tube, cut tape, tape & reel, bulk), and product status do not affect functional interchangeability in applications designed for the CD74ACT541M.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Operating Temperature | Packaging | Output Current (mA) | Supply Voltage | Package Type |
|---|---|---|---|---|---|---|---|
| CD74ACT541M | Texas Instruments | Discontinued | -55°C ~ 125°C | Tube | 24, 24 | 4.5V ~ 5.5V | 20-SOIC |
| CD74ACT541M96 | Texas Instruments | Active | -55°C ~ 125°C | Cut Tape & Digi-Reel | 24, 24 | 4.5V ~ 5.5V | 20-SOIC |
| MC74ACT541DWR2G | onsemi | Active | -40°C ~ 85°C | Cut Tape & Digi-Reel | 24, 24 | 4.5V ~ 5.5V | 20-SOIC |
| 74ACT541SC | Fairchild Semiconductor | Active | -40°C ~ 85°C | Bulk | 24, 24 | 4.5V ~ 5.5V | 20-SOIC |
| 74ACT541SCX | onsemi | Active | -40°C ~ 85°C | Tape & Reel | 24, 24 | 4.5V ~ 5.5V | 20-SOIC |
| MC74ACT541DWG | onsemi | Active | -40°C ~ 85°C | Tube | 24, 24 | 4.5V ~ 5.5V | 20-SOIC |
Engineering Selection Recommendations
All listed substitute parts are functionally equivalent to the CD74ACT541M for applications requiring non-inverting 8-bit buffering with 3-state output in the 74ACT logic family.
CD74ACT541M96 is the direct equivalent from Texas Instruments, maintaining the extended operating temperature range (-55°C ~ 125°C) of the original part while offering active product status and alternative packaging formats.
MC74ACT541DWR2G, 74ACT541SC, 74ACT541SCX, and MC74ACT541DWG are cross-manufacturer alternatives from onsemi and Fairchild Semiconductor. These parts operate within the narrower temperature range of -40°C ~ 85°C. Selection among these alternatives depends on packaging requirements: cut tape & Digi-Reel for automated assembly, tape & reel for high-volume production, tube for manual handling, or bulk for custom packaging.
All substitute parts comply with ROHS3 and maintain EAR99 export classification. Moisture sensitivity levels vary between MSL 1 (unlimited) and MSL 3 (168 hours), which may affect storage and handling procedures.
Frequently Asked Questions (FAQ)
Q: Can I use CD74ACT541M96 as a direct replacement for CD74ACT541M?
A: Yes. CD74ACT541M96 maintains identical electrical specifications and package geometry. The primary difference is packaging format (cut tape & Digi-Reel versus tube) and active product status.
Q: What is the difference between the Texas Instruments and onsemi versions?
A: Both manufacturers produce parts within the 74ACT541 base product family with identical logic function, output current, and supply voltage specifications. Operating temperature ranges differ: Texas Instruments CD74ACT541M96 operates -55°C ~ 125°C, while onsemi alternatives operate -40°C ~ 85°C. Selection depends on application temperature requirements and packaging preferences.
Q: Are there any compatibility concerns when switching between these substitute parts?
A: No compatibility concerns exist for the listed substitutes. All parts share identical pin configuration, logic function, output characteristics, and 20-SOIC package dimensions. Direct PCB substitution is possible without design modification.
Q: How do packaging formats affect part selection?
A: Packaging format does not affect electrical function. Selection depends on assembly process: cut tape & Digi-Reel for pick-and-place automation, tape & reel for high-volume reels, tube for manual assembly, and bulk for custom packaging requirements.
Q: What is the significance of the operating temperature range difference?
A: The CD74ACT541M and CD74ACT541M96 operate across -55°C ~ 125°C, while alternative manufacturers specify -40°C ~ 85°C. Applications requiring extended temperature operation must use Texas Instruments versions. Standard industrial applications typically operate within the -40°C ~ 85°C range.
Q: Are all substitute parts RoHS compliant?
A: Yes. All listed substitute parts comply with ROHS3 standards and are REACH unaffected.
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