Overview
The SN74AHC1G08DCKTG4 is a single 2-input positive-AND gate produced by Texas Instruments. This device performs the Boolean function Y = A ● B or Y = A + B in positive logic. It is part of the AHC (Advanced High-Speed CMOS) family, known for its high speed and low power consumption, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Free-Air Temperature (TA) | -55 | 125 | °C | |
| Supply Voltage (VCC) | 2 | 5.5 | V | |
| Input Voltage (VI) | 0 | 5.5 | V | |
| Output Voltage (VO) | 0 | VCC | V | |
| High-Level Output Current (IOH) at VCC = 5 V | -8 | mA | ||
| Low-Level Output Current (IOL) at VCC = 5 V | 8 | mA | ||
| Propagation Delay (tPLH/tPHL) at VCC = 5 V, CL = 15 pF | 4.3 | 5.9 | 7.5 | ns |
| Power Dissipation Capacitance (Cpd) at VCC = 5 V, f = 1 MHz | 18 | pF | ||
| Junction-to-Ambient Thermal Resistance (RθJA) for SC70 Package | 289.2 | °C/W |
Key Features
- Wide operating VCC range of 2 V to 5.5 V, allowing use in a broad range of systems.
- Low propagation delay, enabling fast switching and higher operation speeds.
- Low power consumption, making it suitable for portable and battery power-sensitive applications.
- ±8-mA output drive at 5 V, providing strong output current capability.
- Schmitt-trigger action at all inputs, making the circuit tolerant for slower input rise and fall times.
- Latch-up performance exceeds 250 mA per JESD 17.
Applications
- Barcode Scanners
- Cable Solutions
- E-Books
- Embedded PCs
- Field Transmitter: 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 SN74AHC1G08 device?
The SN74AHC1G08 device 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 SN74AHC1G08?
The device operates over a voltage range of 2 V to 5.5 V.
- What is the maximum propagation delay at VCC = 5 V?
The maximum propagation delay at VCC = 5 V is approximately 7.5 ns for a load capacitance of 15 pF.
- What are the output current capabilities of the SN74AHC1G08 at VCC = 5 V?
The device can drive up to ±8 mA at VCC = 5 V.
- What is the significance of Schmitt-trigger action in the SN74AHC1G08?
The Schmitt-trigger action at all inputs makes the circuit tolerant for slower input rise and fall times.
- What are some common applications of the SN74AHC1G08?
Common applications include barcode scanners, embedded PCs, field transmitters, fingerprint biometrics, HVAC systems, and various communication systems.
- How should the power supply be configured for the SN74AHC1G08?
The power supply should be any voltage between the minimum and maximum supply voltage rating, and each VCC terminal should have a bypass capacitor to prevent power disturbance.
- What are the thermal considerations for the SN74AHC1G08?
The junction-to-ambient thermal resistance (RθJA) for the SC70 package is approximately 289.2 °C/W.
- What is the latch-up performance of the SN74AHC1G08?
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.
