CD74ACT541EE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD74ACT541EE4 is an 8-channel non-inverting tri-state CMOS bus driver and buffer from Texas Instruments' ACT logic family. It features dual active-low output enables, drives 50pF loads, and comes in a through-hole 20-pin PDIP package. Available in stock from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- CD74ACT541EE4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0811(MOQ 1000)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74ACT541EE4?
- 8-channel non-inverting tri-state outputs allow clean bus sharing and high-impedance release in multi-driver systems
- ACT logic family provides fast CMOS-speed switching with TTL-compatible input thresholds at 5V
- Dual active-low output enable controls enable flexible bus arbitration and master/slave bus architectures
- Through-hole 20-pin PDIP package simplifies prototyping, hand-assembly, and legacy board replacement
What is CD74ACT541EE4 used for?
The CD74ACT541EE4 is widely used for buffering 8-bit data buses in microprocessor development boards, FPGA evaluation kits, and educational electronics platforms where through-hole assembly is preferred. Its tri-state outputs and dual enable pins make it suitable for bus isolation and direction control between different logic voltage domains or multiple bus masters. The device also serves as a direct replacement in legacy industrial control systems and test equipment that originally used 74ACT or 74HCT541 bus drivers.
What are the specifications of CD74ACT541EE4?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | WITH DUAL OUTPUT ENABLE |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | ACT |
| JESD-30 Code | R-PDIP-T20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.024A |
| Number of Bits | 8 |
| Number of Functions | 8 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 9.6ns |
| Propagation Delay (tpd) | 7.5ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| ## CD74ACT541EE4 Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Where can I find the CD74ACT541EE4 datasheet?
CD74ACT541EE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74ACT541EE4?
Compatible alternatives and drop-in replacements for CD74ACT541EE4:
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Frequently Asked Questions
What is the difference between the CD74ACT541 and CD74HCT541?
Both are 8-bit non-inverting bus drivers with tri-state outputs, but the ACT family (CD74ACT541) uses TTL-compatible input thresholds (VIH min 2V), while the HCT family also accepts TTL levels. The ACT family generally offers faster propagation delays and higher output drive strength, making it preferred in high-speed backplane or memory bus applications where signal integrity is critical.
How do the dual output enables work on the CD74ACT541EE4?
The CD74ACT541EE4 has two active-low output enable pins (OE1 and OE2). Both must be pulled low to enable all eight outputs simultaneously. If either enable pin goes high, all outputs enter a high-impedance tri-state mode, disconnecting the driver from the bus and preventing bus contention in multi-master systems.
What load capacitance can the CD74ACT541EE4 drive?
The CD74ACT541EE4 is specified for a maximum load capacitance of 50pF per output. This is sufficient for most PCB traces in embedded processor, FPGA, and microcontroller bus applications. Exceeding this capacitance will increase propagation delay, so decoupling and series resistors may be needed for longer or heavily loaded bus segments.
Is the CD74ACT541EE4 RoHS compliant?
Yes, the CD74ACT541EE4 is lead-free and RoHS compliant as indicated by its 'e4' JESD-609 code and the Pb-free designation. This makes it suitable for environmentally compliant manufacturing in compliance with European RoHS directives and global green electronics regulations.
What package does the CD74ACT541EE4 use?
The CD74ACT541EE4 is housed in a 20-pin PDIP (Plastic Dual In-line Package) through-hole package. PDIP is ideal for prototyping, breadboard testing, and hand-soldering in educational or low-volume production environments, and the 20-pin format is compatible with standard IC sockets.
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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 |
|---|---|---|
| 1000+ | $1.0811 | $1081.08 |
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