Overview
The SN74HCT541NSRE4 is an octal buffer and line driver produced by Texas Instruments. This integrated circuit is designed to operate within the voltage range of 4.5 V to 5.5 V, making it compatible with TTL (Transistor-Transistor Logic) systems. It features 3-state outputs, which can be set to high, low, or high-impedance states, allowing for direct interface with system buses or the ability to drive up to 15 LSTTL (Low-power Schottky Transistor-Transistor Logic) loads.
Key Specifications
| Parameter | Min | Nom | Max |
|---|---|---|---|
| Supply Voltage (VCC) | 4.5 V | 5 V | 5.5 V |
| High-Level Input Voltage (VIH) | 2 V | - | - |
| Low-Level Input Voltage (VIL) | - | 0.8 V | - |
| Operating Free-Air Temperature (TA) | -40°C | - | 85°C |
| Input Transition Rise and Fall Time | - | - | 500 ns |
| Output Voltage (VO) | 0 V | - | VCC |
| Propagation Delay Time (tpd) | 19 ns | - | 45 ns (at VCC = 5.5 V) |
| Enable Time (ten) | 25 ns | - | 54 ns (at VCC = 5.5 V) |
| Disable Time (tdis) | 18 ns | - | 41 ns (at VCC = 5.5 V) |
Key Features
- Operating voltage range of 4.5 V to 5.5 V.
- TTL-compatible CMOS inputs.
- 3-state outputs for high, low, or high-impedance states.
- High-current outputs capable of driving up to 15 LSTTL loads.
- Available in 20-pin SOP (NS) package.
- Operating temperature range from -40°C to 85°C.
Applications
The SN74HCT541NSRE4 is suitable for various applications requiring buffer and line driver functions, such as:
- Bus drivers in microprocessor and memory systems.
- Interface circuits between TTL and CMOS systems.
- Buffering and driving signals in digital logic circuits.
- Industrial control systems requiring robust signal handling.
Q & A
- What is the operating voltage range of the SN74HCT541NSRE4?
The operating voltage range is 4.5 V to 5.5 V. - What type of inputs does the SN74HCT541NSRE4 have?
The device has TTL-compatible CMOS inputs. - What is the maximum number of LSTTL loads the SN74HCT541NSRE4 can drive?
The device can drive up to 15 LSTTL loads. - What is the package type and pin count of the SN74HCT541NSRE4?
The device is available in a 20-pin SOP (NS) package. - What is the operating temperature range of the SN74HCT541NSRE4?
The operating temperature range is from -40°C to 85°C. - What are the typical propagation delay times for the SN74HCT541NSRE4?
The typical propagation delay times range from 19 ns to 45 ns at VCC = 5.5 V. - How should unused inputs be handled to ensure proper device operation?
All unused inputs must be held at VCC or GND to ensure proper device operation. - Is the SN74HCT541NSRE4 RoHS and REACH compliant?
Yes, the device is RoHS and REACH compliant. - What are the thermal metrics for the SN74HCT541NSRE4?
The thermal metrics include junction-to-ambient thermal resistance values, which vary by package type. - What are some common applications for the SN74HCT541NSRE4?
Common applications include bus drivers, interface circuits between TTL and CMOS systems, and buffering and driving signals in digital logic circuits.
