Overview
The SN74AHCT1G14DBVR, produced by Texas Instruments, is a single Schmitt-trigger inverter gate. This device performs the Boolean function Y = A, where the output Y is the logical inverse of the input A. The SN74AHCT1G14 is designed to operate within a voltage range of 4.5 V to 5.5 V, making it suitable for a variety of digital logic applications. It features TTL-compatible Schmitt-trigger inputs, which are particularly useful for handling slow or noisy input signals.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC (Supply Voltage) | 4.5 | 5.5 | V | |
| VI (Input Voltage) | 0 | 5.5 | V | |
| VO (Output Voltage) | 0 | VCC | V | |
| IOH (High-Level Output Current) | -8 | mA | ||
| IOL (Low-Level Output Current) | 8 | mA | ||
| TA (Operating Free-Air Temperature) | -40 | 125 | °C | |
| tpd (Propagation Delay Time) | 1 | 8 | 9 | ns (at 5 V, CL = 50 pF) |
| ICC (Quiescent Current) | 1 | μA | ||
| RθJA (Junction-to-Ambient Thermal Resistance) | 278 | °C/W (DBV package) |
Key Features
- Operating range: 4.5 V to 5.5 V
- Maximum propagation delay of 8 ns at 5 V
- Low power consumption: 1 μA max ICC
- ±8 mA output drive at 5 V
- TTL-compatible Schmitt-trigger inputs
- Latch-up performance exceeds 250 mA per JESD 17
- Available in SOT-23 (DBV) and SC70 (DCK) packages
Applications
- Enable or disable a digital signal
- Controlling an indicator LED
- Translation between communication modules and system controllers
- Barcode scanners
- Cable solutions
- E-books
- Embedded PCs
- Field transmitters: temperature or pressure sensors
- Fingerprint biometrics
- HVAC systems
- Network-attached storage (NAS)
- Server motherboards and power supplies
- Software-defined radios (SDR)
- TV and video communications systems
- Wireless data access cards, headsets, keyboards, mice, and LAN cards
Q & A
- What is the operating voltage range of the SN74AHCT1G14?
The operating voltage range is 4.5 V to 5.5 V. - What is the maximum propagation delay at 5 V?
The maximum propagation delay is 8 ns at 5 V. - What is the power consumption of the SN74AHCT1G14?
The maximum quiescent current (ICC) is 1 μA. - What type of inputs does the SN74AHCT1G14 have?
The device has TTL-compatible Schmitt-trigger inputs. - What are the typical applications of the SN74AHCT1G14?
Typical applications include enabling or disabling digital signals, controlling indicator LEDs, and translating between communication modules and system controllers. - What are the package options for the SN74AHCT1G14?
The device is available in SOT-23 (DBV) and SC70 (DCK) packages. - What is the thermal resistance of the SN74AHCT1G14 in the DBV package?
The junction-to-ambient thermal resistance (RθJA) is 278 °C/W for the DBV package. - How much current can the output drive at 5 V?
The output can drive ±8 mA at 5 V. - What is the latch-up performance of the SN74AHCT1G14?
The latch-up performance exceeds 250 mA per JESD 17. - What is the operating temperature range of the SN74AHCT1G14?
The operating temperature range is -40°C to 125°C.
