Overview
The 74HC7541PW,118 is an 8-bit buffer/line driver with Schmitt-trigger inputs and 3-state outputs, manufactured by Nexperia USA Inc. This device is part of the 74HC and 74HCT series, known for their high performance and versatility in various electronic applications. The 74HC7541PW,118 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 ideal for applications requiring signal conditioning and noise immunity.
Key Specifications
| Parameter | Condition | Min | Typ | Max |
|---|---|---|---|---|
| VCC supply voltage | 2.0 V | 5.0 V | 6.0 V | |
| VI input voltage | 0 V | VCC | ||
| VO output voltage | 0 V | VCC | ||
| Tamb ambient temperature | -40 °C | 25 °C | 125 °C | |
| VOH HIGH-level output voltage (VCC = 4.5 V, IO = -20 μA) | 4.4 V | 4.5 V | ||
| VOL LOW-level output voltage (VCC = 4.5 V, IO = 20 μA) | 0 V | 0.1 V | ||
| tpd propagation delay (VCC = 4.5 V, CL = 50 pF) | 14 ns | 24 ns | 36 ns | |
| ten enable time (VCC = 4.5 V) | 16 ns | 32 ns | 48 ns | |
| tdis disable time (VCC = 4.5 V) | 21 ns | 32 ns | 48 ns | |
| CI input capacitance | 3.5 pF | |||
| CPD power dissipation capacitance per package | 30 pF | |||
| Package | TSSOP-20 (SOT360-1) |
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 high, low, or high-impedance state using two output enables (OE1 and OE2).
- Low-power dissipation: Compliant with low-power CMOS logic standards.
- Input levels: Supports CMOS level inputs for 74HC7541 and TTL level inputs for 74HCT7541.
- ESD protection: Human Body Model (HBM) JESD22-A114F exceeds 2000 V and Machine Model (MM) JESD22-A115-A exceeds 200 V.
- Multiple package options: Available in TSSOP-20 (SOT360-1) package.
- Operating temperature range: From -40 °C to +125 °C.
Applications
The 74HC7541PW,118 is versatile and can be used in a variety of applications across different industries, including:
- Automotive: For signal conditioning and noise immunity in automotive systems.
- Industrial: In industrial control systems, automation, and IoT devices.
- Consumer electronics: In mobile devices, wearables, and other consumer electronics requiring low-power and high-performance logic.
- Computing and power systems: For buffering and line driving in computing hardware and power management systems.
Q & A
- What is the primary function of the 74HC7541PW,118?
The primary function is to act as an 8-bit buffer/line driver with Schmitt-trigger inputs and 3-state outputs.
- What types of input levels does the 74HC7541PW support?
The 74HC7541 supports CMOS level inputs, while the 74HCT7541 supports TTL level inputs.
- What is the purpose of the Schmitt-trigger inputs?
The Schmitt-trigger inputs transform slowly changing input signals into sharply defined, jitter-free output signals.
- How do the output enables (OE1 and OE2) function?
A HIGH on either OE1 or OE2 causes the outputs to assume a high-impedance OFF-state.
- What is the operating temperature range of the 74HC7541PW,118?
The operating temperature range is from -40 °C to +125 °C.
- What type of ESD protection does the device offer?
The device offers Human Body Model (HBM) JESD22-A114F exceeding 2000 V and Machine Model (MM) JESD22-A115-A exceeding 200 V.
- In what package is the 74HC7541PW,118 available?
The device is available in a TSSOP-20 (SOT360-1) package.
- What are some common applications for the 74HC7541PW,118?
Common applications include automotive, industrial, consumer electronics, and computing and power systems.
- How does the device handle input voltages in excess of VCC?
The device includes clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.
- What is the typical propagation delay of the 74HC7541PW,118 at VCC = 4.5 V?
The typical propagation delay is 24 ns at VCC = 4.5 V and CL = 50 pF.
