Overview
The SN74HCT08DRG4 is a quadruple 2-input positive-AND gate integrated circuit produced by Texas Instruments. This device is part of the 74HCT series, which is designed for use in TTL-compatible applications. It contains four independent 2-input AND gates, each performing the Boolean function Y = A • B in positive logic.
The SN74HCT08DRG4 is available in a 14-pin TSSOP package and is suitable for a wide range of digital logic applications due to its compatibility with TTL voltage levels and low power consumption.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 4.5 | 5 | 5.5 | V |
| VIH High-level Input Voltage | 2 | V | ||
| VIL Low-level Input Voltage | 0.8 | V | ||
| VO Output Voltage | 0 | VCC | V | |
| ICC Power Consumption | 20 | µA | ||
| tpd Propagation Delay (A or B to Y) | 13 | 22 | 27 | ns |
| Output Drive at 5V | ±4 | mA | ||
| Operating Free-Air Temperature | -40 | 85 | °C |
Key Features
- Operating voltage range of 4.5V to 5.5V, making it compatible with TTL logic levels.
- Outputs can drive up to 10 LSTTL loads.
- Low power consumption with a maximum ICC of 20µA.
- Typical propagation delay of 13ns at 5V.
- ±4mA output drive at 5V.
- Low input current of 1µA maximum.
- Inputs are TTL-voltage compatible.
Applications
- Servers and data centers for logic operations.
- LED displays and other visual output devices.
- Network switches and routers for logical decision-making.
- I/O expanders and peripheral devices.
- Base station processor boards in telecommunications.
Q & A
- What is the SN74HCT08DRG4 used for? The SN74HCT08DRG4 is used as a quadruple 2-input positive-AND gate in digital logic circuits.
- What is the operating voltage range of the SN74HCT08DRG4? The operating voltage range is from 4.5V to 5.5V.
- How many AND gates are included in the SN74HCT08DRG4? The device contains four independent 2-input AND gates.
- What is the typical propagation delay of the SN74HCT08DRG4 at 5V? The typical propagation delay is 13ns.
- What is the maximum output drive current at 5V? The maximum output drive current is ±4mA.
- What is the maximum power consumption of the SN74HCT08DRG4? The maximum power consumption is 20µA.
- What are the compatible input voltage levels for the SN74HCT08DRG4? The inputs are TTL-voltage compatible.
- What is the operating temperature range of the SN74HCT08DRG4? The operating temperature range is from -40°C to 85°C.
- In what package is the SN74HCT08DRG4 available? The device is available in a 14-pin TSSOP package.
- What are some common applications of the SN74HCT08DRG4? Common applications include servers, LED displays, network switches, I/O expanders, and base station processor boards.
