Overview
The SN74AHC1G08DCK3, produced by Texas Instruments, is a single 2-input positive-AND gate integrated circuit. This device performs the Boolean function Y = A ● B or Y = A + B in positive logic, making it a versatile component for various digital logic applications. It is available in the SC70 (DCK) package, which is compact and suitable for space-constrained designs.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Operating Voltage (VCC) | 2 | 5.5 | V | ||
| Operating Free-Air Temperature (TA) | -55 | 125 | °C | ||
| Propagation Delay (tPLH, tPHL) at VCC = 5 V | CL = 15 pF | 4.3 | 5.9 | 7.5 | ns |
| High-Level Output Current (IOH) at VCC = 5 V | -8 | mA | |||
| Low-Level Output Current (IOL) at VCC = 5 V | 8 | mA | |||
| Supply Current (ICC) at VCC = 5.5 V | 1 | 10 | µA | ||
| Junction-to-Ambient Thermal Resistance (RθJA) | DCK Package | 289.2 | °C/W |
Key Features
- Wide operating voltage range: 2 V to 5.5 V, allowing use in a broad range of systems.
- Low propagation delay: Maximum of 7 ns at 5 V, enabling fast switching and higher operation speeds.
- Low power consumption: Maximum ICC of 10 µA, making it suitable for portable and battery power-sensitive applications.
- Schmitt-Trigger action at all inputs: Enhances tolerance for slower input rise and fall times.
- High output drive capability: ±8 mA at 5 V.
- Latch-Up performance exceeds 250 mA per JESD 17.
Applications
- Barcode Scanners
- Cable Solutions
- E-Books
- Embedded PCs
- Field Transmitters: Temperature or Pressure Sensors
- Fingerprint Biometrics
- HVAC: Heating, Ventilating, and Air Conditioning
- Network-Attached Storage (NAS)
- Server Motherboard and PSU
- Software Defined Radios (SDR)
- TV: High Definition (HDTV), LCD, and Digital
- Video Communications Systems
- Wireless Data Access Cards, Headsets, Keyboards, Mice, and LAN Cards
Q & A
- What is the primary function of the SN74AHC1G08DCK3?
The SN74AHC1G08DCK3 is a single 2-input positive-AND gate that performs the Boolean function Y = A ● B or Y = A + B in positive logic.
- What is the operating voltage range of the SN74AHC1G08DCK3?
The operating voltage range is from 2 V to 5.5 V.
- What is the maximum propagation delay at VCC = 5 V?
The maximum propagation delay is 7.5 ns at VCC = 5 V with a load capacitance of 15 pF.
- What is the output drive capability of the SN74AHC1G08DCK3 at VCC = 5 V?
The output drive capability is ±8 mA at VCC = 5 V.
- What is the thermal resistance of the DCK package?
The junction-to-ambient thermal resistance (RθJA) for the DCK package is 289.2 °C/W.
- What are some common applications of the SN74AHC1G08DCK3?
Common applications include barcode scanners, embedded PCs, field transmitters, fingerprint biometrics, and various other digital logic systems.
- How does the Schmitt-Trigger action benefit the SN74AHC1G08DCK3?
The Schmitt-Trigger action enhances the tolerance for slower input rise and fall times, improving the device's robustness in noisy environments.
- What is the latch-up performance of the SN74AHC1G08DCK3?
The latch-up performance exceeds 250 mA per JESD 17.
- What are the package options available for the SN74AHC1G08?
The device is available in DBV (SOT-23), DCK (SC70), and DRL (SOT) packages.
- How should unused inputs be handled on the SN74AHC1G08DCK3?
All unused inputs must be held at VCC or GND to ensure proper device operation.
