Overview
The SN74HC08DRE4 is a quadruple 2-input AND gate integrated circuit produced by Texas Instruments. This device is part of the HC08 series, which features four independent 2-input AND gates that perform the Boolean function Y = A ● B in positive logic. The SN74HC08DRE4 is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package and is designed to operate over a wide range of temperatures and voltages, making it versatile for various digital logic applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 2 | - | 6 | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Input Clamp Current (VI < 0 or VI > VCC) | - | - | ±20 | mA |
| Output Clamp Current (VO < 0) | - | - | ±20 | mA |
| Continuous Output Current (VO = 0 to VCC) | - | - | ±25 | mA |
| Propagation Delay Time (tpd) at VCC = 6 V | 8 | - | 17 | ns |
| Output Drive at VCC = 5 V | - | - | ±4 | mA |
| Maximum Supply Current (ICC) at VCC = 6 V | - | - | 20 | µA |
| Input Current (II) at VCC = 6 V | - | - | 1 | µA |
Key Features
- Buffered Inputs: Ensures stable input signals.
- Wide Operating Voltage Range: Operates from 2 V to 6 V.
- Wide Operating Temperature Range: Functional from -40°C to +85°C.
- High Fanout Capability: Can drive up to 10 LSTTL loads.
- Low Power Consumption: Maximum supply current of 20 µA.
- Fast Switching Times: Typical propagation delay time of 8 ns at 6 V.
- High Output Drive: ±4-mA output drive at 5 V.
- Low Input Current: Maximum input current of 1 µA.
Applications
- Servers: Used in server logic circuits for signal processing.
- LED Displays: Employed in display logic to control LED outputs.
- Network Switches: Utilized in network switch logic for signal routing.
- I/O Expanders: Used to expand input/output capabilities in various systems.
- Base Station Processor Boards: Applied in base station logic for signal processing and control.
Q & A
- What is the function of the SN74HC08DRE4?
The SN74HC08DRE4 contains four independent 2-input AND gates that perform the Boolean function Y = A ● B in positive logic.
- What is the operating voltage range of the SN74HC08DRE4?
The device operates from 2 V to 6 V.
- What is the operating temperature range of the SN74HC08DRE4?
The device is functional from -40°C to +85°C.
- How many LSTTL loads can the SN74HC08DRE4 drive?
The device can drive up to 10 LSTTL loads.
- What is the maximum supply current of the SN74HC08DRE4?
The maximum supply current is 20 µA.
- What is the typical propagation delay time of the SN74HC08DRE4 at 6 V?
The typical propagation delay time is 8 ns at 6 V.
- What is the output drive capability of the SN74HC08DRE4 at 5 V?
The device has an output drive capability of ±4 mA at 5 V.
- What is the maximum input current of the SN74HC08DRE4?
The maximum input current is 1 µA.
- In what types of applications is the SN74HC08DRE4 commonly used?
The device is commonly used in servers, LED displays, network switches, I/O expanders, and base station processor boards.
- What package type is the SN74HC08DRE4 available in?
The SN74HC08DRE4 is available in a 14-pin SOIC package.
