CD74HC541EG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD74HC541EG4 is an 8-bit non-inverting octal buffer and line driver with 3-state outputs in a 20-pin DIP package, operating from 2 V to 6 V. It provides two active-low output enable pins and 25 mA output drive, suitable for CMOS bus buffering and address line driving in 5 V logic systems.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC541EG4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3854(MOQ 980)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74HC541EG4?
- 8-bit non-inverting octal buffer with dual active-low 3-state enable
- Wide supply range 2 V to 6 V covering 3.3 V and 5 V CMOS logic
- 25 mA output drive current for bus and line driving applications
- HC-family CMOS technology with low quiescent current
- 20-pin DIP package ideal for breadboard prototyping and through-hole PCBs
- Two independent enable inputs for flexible 8-channel bus control
What is CD74HC541EG4 used for?
The CD74HC541EG4 is commonly used in 5 V microprocessor and microcontroller systems to buffer and isolate 8-bit address or data buses, preventing bus contention when multiple devices share a common line. Its wide 2 V to 6 V operating range makes it compatible with both 3.3 V and 5 V CMOS logic in prototyping and legacy board designs. Educational development systems and industrial embedded controllers also use it for output port expansion and signal drive amplification in through-hole assemblies.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the CD74HC541EG4 datasheet?
CD74HC541EG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC541EG4?
Compatible alternatives and drop-in replacements for CD74HC541EG4:
Frequently Asked Questions
Over what supply voltage range does the CD74HC541EG4 operate?
The CD74HC541EG4 operates from 2 V to 6 V, covering the full 3.3 V and 5 V CMOS supply rails commonly used in embedded systems. This wide range allows it to be used across mixed-voltage boards and ensures compatibility with both modern 3.3 V microcontrollers and legacy 5 V TTL-level systems without additional supply regulation.
How many output channels does this buffer provide and what is the maximum output drive current?
The CD74HC541EG4 provides 8 non-inverting output channels, each capable of sourcing or sinking up to 25 mA. This drive strength is sufficient to charge typical bus load capacitances and drive multiple parallel input gates on a shared CMOS data or address line while maintaining valid logic levels across the 2 V to 6 V supply range.
For which development or prototyping scenarios is the 20-pin DIP package particularly advantageous?
The 20-pin DIP package plugs directly into standard 0.3-inch breadboard sockets and through-hole PCB footprints, making it a first choice for rapid prototyping, student lab work, and field-serviceable legacy board repairs. Unlike surface-mount alternatives, no reflow soldering is needed, and the part can be removed and replaced by hand, which is valuable in educational 5 V microprocessor training boards.
How does the CD74HC541EG4 differ from the CD74HC541 in terms of output enable control?
Both are electrically identical 8-bit non-inverting HC-family octal buffers operating from 2 V to 6 V with 25 mA drive current; the 'EG4' suffix indicates the enhanced DIP package variant with a green, RoHS-compliant molding compound. Each part has two active-low output enable pins that together control all 8 channel 3-state outputs, allowing the designer to selectively isolate the buffer from the bus.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 980+ | $0.3854 | $377.73 |
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