Overview
The SN74AHC1G08DCKR, produced by Texas Instruments, is a single 2-input positive-AND gate. 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 | Value | Unit | Conditions |
|---|---|---|---|
| Operating Voltage Range | 2 V to 5.5 V | V | |
| Maximum Propagation Delay (tpd) | 7 ns | ns | VCC = 5 V, CL = 15 pF |
| Low-Level Output Current (IOL) | 8 mA | mA | VCC = 5 V |
| High-Level Output Current (IOH) | -8 mA | mA | VCC = 5 V |
| Power Consumption (ICC) | 10 μA | μA | Maximum |
| Operating Free-Air Temperature Range | -55°C to 125°C | °C | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 289.2 °C/W | °C/W | DCK (SC70) package |
Key Features
- Wide operating VCC range of 2 V to 5.5 V
- Low propagation delay, allowing for fast switching and higher operation speeds
- Low power consumption, making it suitable for battery-powered applications
- ±8-mA output drive at 5 V
- Schmitt-trigger action at all inputs for tolerance to 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 function of the SN74AHC1G08DCKR? The SN74AHC1G08DCKR 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 SN74AHC1G08DCKR? The operating voltage range is from 2 V to 5.5 V.
- What is the maximum propagation delay of the SN74AHC1G08DCKR at 5 V? The maximum propagation delay is 7 ns at 5 V with a load capacitance of 15 pF.
- What are the output drive capabilities of the SN74AHC1G08DCKR? The device can drive up to ±8 mA at 5 V.
- What is the power consumption of the SN74AHC1G08DCKR? The maximum power consumption (ICC) is 10 μA.
- What are some common applications of the SN74AHC1G08DCKR? Common applications include barcode scanners, embedded PCs, field transmitters, fingerprint biometrics, and various other digital and analog control systems.
- What is the thermal resistance of the SN74AHC1G08DCKR in the SC70 package? The junction-to-ambient thermal resistance (RθJA) is 289.2 °C/W for the SC70 package.
- How does the Schmitt-trigger action benefit the SN74AHC1G08DCKR? The Schmitt-trigger action at all inputs makes the circuit tolerant to slower input rise and fall times.
- What are the recommended power supply recommendations for the SN74AHC1G08DCKR? Each VCC terminal should have a bypass capacitor to prevent power disturbance. A 0.1-μF bypass capacitor is recommended for devices with a single supply.
- What are the layout guidelines for using the SN74AHC1G08DCKR? Care should be taken to avoid reflections in PCB traces, especially when turning corners, to maintain transmission-line characteristics.
