SN74AHCT541PWR

Series:	74AHCT
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	Buffer, Non-Inverting
Number of Elements:	1
Number of Bits per Element:	8
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	8mA, 8mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	20-TSSOP
Base Part Number:	74AHCT541

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Introduction

SN74AHCT541PWR is a high-speed, low-power, TTL-compatible logic gate belonging to the Logic - Buffers, Drivers, Receivers, Transceivers family. It is designed with the use of 2NPN, 2PNP and 2N-channel MOS transistors, as well as 5 bipolar transistors, on a single monolithic integrated circuit. The integrated circuit also features Schottky diode-clamp circuitry and is rated for operating temperatures ranging from -40 to 105°C. Additionally, the product is available in a variety of different packages and comes with a low power dissipation of 1.5 mW/gate at ambient conditions.

Applications

SN74AHCT541PWR is designed to be a cost-efficient solution for high-speed applications, including communications systems, video switchers and transmission line controllers. It is most commonly used as a high-speed buffer and line driver to ensure stable operation while delivering high data rates. Additionally, the integrated circuit can be configured as a latch or flip-flop, enabling the device to be used as a simple digital control device. Additionally, its low power dissipation ensures compatibility with a wide range of microcontrollers, making it ideal for applications where low power is key.

Features

SN74AHCT541PWR features a high-speed operation of up to 20 MHz while consuming only 1.5 mW/gate at 25°C ambient conditions. Due to its small size and the low power dissipation, it is well suited for use in low-power, portable, or battery-operated applications. Its low power capabilities also make it well suited for applications with tight space or weight constraints such as mobile phones and PDAs. Additionally, its versatility and wide range of operating temperatures make it suitable for harsh environment applications such as automotive and industrial applications.

Pinouts and Connections

SN74AHCT541PWR is available in a variety of different packages and configurations. The device is commonly available in DIP, SOIC and TSSOP packages, as well as in an FTQFN package. Each pinout includes a logic input (A or B), an enable input (E or EN), a logic output (Y or Z), a ground (Gnd) pin and a Vcc pin. The device is typically connected in an 8-bit configuration, with Vcc and Gnd connected to power via the Vcc and Gnd pins and the logic inputs connected to the respective logic inputs in the A/B and E/EN ports. The logic outputs are then connected to the logic outputs Y/Z.

Working Principle

The SN74AHCT541PWR is designed to operate as a high-speed buffer and line driver, allowing for increased data transmission speeds and voltage stability. The device works by taking the input signal from the A/B ports, and interprets this data according to the logic function of the device and the input from the E/EN port which acts as an enable function. The data is then passed to the output ports Y/Z as a logic output signal. This logic output signal is then used by the system’s logic circuit as a control signal and provides an improved data transmission rate and increased voltage tolerance. Additionally, the device is designed with Schottky diode-clamp circuitry which increases its noise compatibility, making it less likely to malfunction in the presence of external noise.

Conclusion

SN74AHCT541PWR is a popular low-power, high-speed logic family belonging to the Logic - Buffers, Drivers, Receivers, Transceivers family. Despite its small size and low power consumption, it is capable of providing high-speed operation of up to 20 MHz and a wide range of operating temperatures. The device also features Schottky diode-clamp circuitry for increased noise immunity, allowing it to be used in harsh environments and applications with high EMI susceptibility. Additionally, the device is available in a variety of different packages and pinouts, including DIP, SOIC, and TSSOP, making it well suited for most applications, from low-power portable applications to high-speed communications applications.

References

1. SN74AHCT541PWR – High-Speed, Low-Voltage, TTL-Compatible Logic Gate, Texas Instruments.2. Logic Buffers, Drivers, Receivers, Transceivers, Texas Instruments.3. SN74AHCT541PWR Datasheet, Texas Instruments.

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