Overview
The 74HC7541D,118, produced by Nexperia USA Inc., is an 8-bit buffer/line driver with Schmitt-trigger inputs and 3-state outputs. This device is part of the 74HC and 74HCT series, known for their high noise immunity and low power dissipation. The 74HC7541D features two output enables (OE1 and OE2), allowing for flexible control over the output states. The Schmitt-trigger inputs are designed to transform slowly changing input signals into sharply defined, jitter-free output signals, making it suitable for a variety of applications where signal integrity is crucial.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage | - | 2.0 | - | 6.0 | V |
| VI Input Voltage | - | 0 | - | VCC | V |
| VO Output Voltage | - | 0 | - | VCC | V |
| Tamb Ambient Temperature | - | -40 | - | 125 | °C |
| tpd Propagation Delay (An to Yn) | VCC = 2.0 V | - | 39 | 120 | ns |
| tpd Propagation Delay (An to Yn) | VCC = 4.5 V | - | 14 | 24 | ns |
| ten Enable Time (OEn to Yn) | VCC = 2.0 V | - | 44 | 160 | ns |
| tdis Disable Time (OEn to Yn) | VCC = 2.0 V | - | 58 | 160 | ns |
| CI Input Capacitance | - | - | 3.5 | - | pF |
| CPD Power Dissipation Capacitance | - | - | 30 | - | pF |
| ESD Protection (HBM) | - | - | - | 2000 | V |
| ESD Protection (CDM) | - | - | - | 1000 | V |
Key Features
- Schmitt-trigger Inputs: Transform slowly changing input signals into sharply defined, jitter-free output signals.
- 3-state Outputs: Outputs can be set to a high-impedance OFF-state using the output enables (OE1 and OE2).
- Low Power Dissipation: CMOS low power dissipation.
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V.
- High Noise Immunity: Ensures reliable operation in noisy environments.
- Non-inverting Outputs: Directly reflects the input signals without inversion.
- Input Levels: Supports CMOS level for 74HC7541 and TTL level for 74HCT7541.
- ESD Protection: HBM exceeds 2000 V and CDM exceeds 1000 V.
- Compliance with JEDEC Standards: Meets JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V) standards.
Applications
The 74HC7541D is versatile and can be used in various applications across different industries, including:
- Automotive Systems: For signal buffering and line driving in automotive electronics.
- Industrial Control Systems: To enhance signal integrity and noise immunity in industrial control circuits.
- Consumer Electronics: In devices requiring low power consumption and high noise immunity, such as mobile and wearable devices.
- Computing and Data Communication: For reliable signal transmission and buffering in computing and data communication systems.
- Power Management Systems: To ensure stable and noise-free signal transmission in power management circuits.
Q & A
- What is the primary function of the 74HC7541D?
The primary function of the 74HC7541D is to act as an 8-bit buffer/line driver with Schmitt-trigger inputs and 3-state outputs.
- What is the supply voltage range for the 74HC7541D?
The supply voltage range for the 74HC7541D is from 2.0 V to 6.0 V.
- What type of inputs does the 74HC7541D have?
The 74HC7541D has Schmitt-trigger inputs.
- How do the output enables (OE1 and OE2) function?
A HIGH on OE1 or OE2 causes the outputs to assume a high-impedance OFF-state.
- What is the significance of the Schmitt-trigger inputs?
Schmitt-trigger inputs transform slowly changing input signals into sharply defined, jitter-free output signals.
- What are the ESD protection levels for the 74HC7541D?
The 74HC7541D has ESD protection exceeding 2000 V for HBM and 1000 V for CDM.
- What are the typical applications of the 74HC7541D?
The 74HC7541D is used in automotive, industrial, consumer electronics, computing, and power management systems.
- Does the 74HC7541D comply with any industry standards?
Yes, it complies with JEDEC standards JESD8C and JESD7A.
- What is the operating temperature range for the 74HC7541D?
The operating temperature range is from -40 °C to +125 °C.
- What is the package type for the 74HC7541D,118?
The package type is SOT163-1 (SO20).
