SN74AHCT541NSR-P Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN74AHCT541NSR-P is an octal tri-state buffer and line driver from Texas Instruments AHCT logic family in SOIC-20 package. Features 8 non-inverting buffers with tri-state outputs, TTL-compatible inputs, and 5V CMOS operation. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- SN74AHCT541NSR-P Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Octal tri-state buffer with 8 independent non-inverting channels and active-low output enable control
- AHCT family provides TTL-compatible inputs with CMOS output levels for 5V bus interfacing
- High current tri-state outputs capable of driving heavy bus loads in multi-device systems
- SOIC-20 surface-mount package enables compact PCB integration for bus driver applications
Applications
The SN74AHCT541NSR-P octal tri-state buffer is designed for bus interfacing, address buffering, and data isolation in microprocessor-based systems and memory interface circuits. Its tri-state output capability allows multiple devices to share a common data bus without signal contention, making it ideal for memory expansion and peripheral bus systems. The AHCT logic family with TTL-compatible inputs makes it suitable for bridging between 5V TTL bus systems and CMOS logic in digital control and communication equipment.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many buffer channels does the SN74AHCT541NSR-P provide?
The SN74AHCT541NSR-P provides 8 non-inverting tri-state buffer channels in a single 20-pin package. All 8 channels share two active-low output enable (OE) control pins, allowing the entire octal buffer to be enabled or tri-stated simultaneously for bus sharing applications.
What is the difference between AHCT and AHCT logic families?
The SN74AHCT541NSR-P belongs to the AHCT (Advanced High-speed CMOS with TTL-compatible inputs) family, which accepts 5V TTL-level inputs while providing CMOS output levels. The 'T' suffix distinguishes it from AHC, where AHCT has TTL-compatible input thresholds (VIH = 2.0V, VIL = 0.8V) matching standard 5V TTL logic levels.
What does the tri-state feature do in the SN74AHCT541NSR-P?
The tri-state outputs of the SN74AHCT541NSR-P can be placed in a high-impedance (off) state by asserting the output enable pins, effectively disconnecting the outputs from the bus. This allows multiple buffer devices to share a common data bus without driving the bus simultaneously, preventing electrical contention that could damage devices.
What package does the SN74AHCT541NSR-P come in?
The SN74AHCT541NSR-P is packaged in a 20-pin SOIC (Small Outline Integrated Circuit) surface-mount package, as indicated by the 'NSR' suffix. The SOIC-20 package has a 1.27mm pitch and is compatible with standard PCB footprints, offering a good balance between compact size and ease of manual soldering.
Can the SN74AHCT541NSR-P be used as a unidirectional bus driver?
Yes, the SN74AHCT541NSR-P functions as a unidirectional (one-way) bus driver, buffering signals from inputs to outputs in one direction only. For bidirectional bus driving applications where data must flow in both directions, a bus transceiver such as the SN74AHCT245 would be the appropriate choice instead.
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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.
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