Overview
The SN74HC541NG4 is an octal buffer and line driver with 3-state outputs, produced by Texas Instruments. This device is part of the HC series and is known for its wide operating voltage range and high-current drive capabilities. It features a data flow-through pinout, where all inputs are on one side of the package and all outputs are on the opposite side, facilitating easy printed circuit board layout.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 2 | 5 | 6 | V |
| VIH High-Level Input Voltage (VCC = 2 V) | 1.5 | 1.5 | V | |
| VIH High-Level Input Voltage (VCC = 4.5 V) | 3.15 | 3.15 | V | |
| VIH High-Level Input Voltage (VCC = 6 V) | 4.2 | 4.2 | V | |
| VIL Low-Level Input Voltage (VCC = 2 V) | 0.5 | 0.5 | V | |
| VIL Low-Level Input Voltage (VCC = 4.5 V) | 1.35 | 1.35 | V | |
| VIL Low-Level Input Voltage (VCC = 6 V) | 1.8 | 1.8 | V | |
| IO Continuous Output Current | ±35 | mA | ||
| tpd Propagation Delay Time (A to Y) | 206 | 41 | 35 | ns (at VCC = 2 V, 4.5 V, 6 V respectively) |
| Output Drive Current | ±6 | mA (at VCC = 5 V) |
Key Features
- Wide operating voltage range of 2 V to 6 V
- High-current 3-state outputs drive bus lines directly or up to 15 LSTTL loads
- Low power consumption, 80-µA maximum ICC
- Typical propagation delay time (tpd) of 10 ns
- ±6-mA output drive at 5 V
- Low input current of 1 µA maximum
- Data flow-through pinout (all inputs on opposite side from outputs)
- Output enables controlled by two-input NOR gate
Applications
- LEDs
- Servers
- PCs and Notebooks
- Wearable Health and Wellness Devices
- Electronic Points of Sale
Q & A
- What is the operating voltage range of the SN74HC541NG4?
The operating voltage range is from 2 V to 6 V.
- How many inputs and outputs does the SN74HC541NG4 have?
The device has 8 inputs and 8 outputs.
- What is the typical propagation delay time of the SN74HC541NG4?
The typical propagation delay time (tpd) is around 10 ns.
- How are the output enables controlled in the SN74HC541NG4?
The output enables are controlled by a two-input NOR gate. Both OE1 and OE2 must be low to enable the outputs.
- What is the maximum output current of the SN74HC541NG4?
The maximum continuous output current is ±35 mA.
- What is the input current of the SN74HC541NG4?
The maximum input current is 1 µA.
- What is the power consumption of the SN74HC541NG4?
The maximum ICC (power consumption) is 80 µA.
- What are the common applications of the SN74HC541NG4?
Common applications include LEDs, servers, PCs and notebooks, wearable health and wellness devices, and electronic points of sale.
- How does the pinout of the SN74HC541NG4 facilitate PCB layout?
The pinout has inputs on one side and outputs on the opposite side, making it easier to layout the PCB.
- Is the SN74HC541NG4 RoHS compliant?
Yes, the SN74HC541NG4 is lead-free and RoHS compliant.
