Overview
The SN74LVC1G57DBVR, produced by Texas Instruments, is a configurable multiple-function gate that offers a high degree of flexibility in logic operations. This device is part of the SN74LVC1G57 family and is packaged in a 6-pin SOT-23 (DBVR) package. It operates over a wide VCC range of 1.65 V to 5.5 V, making it suitable for various voltage environments. The device features Schmitt-triggered inputs, which help in translating noisy or slow input signals into clean logic levels, thereby preventing oscillations and excessive current draw.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Operating Range | 1.65 | 5.5 | V | |
| Input Voltage Range | 5.5 | V | ||
| Propagation Delay (tpd) at 3.3 V | 1.5 | 6.3 | 7.3 | ns |
| Output Drive at 3.3 V | ±24 | mA | ||
| Power Consumption (ICC) | 10 | µA | ||
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- Configurable Logic Functions: Supports AND, OR, NAND, NOR, XNOR, inverter, and buffer logic functions based on 3-bit input patterns.
- Schmitt-Triggered Inputs: Provides a minimum separation between positive and negative switching thresholds, ideal for noisy or slow inputs.
- Over-Voltage Tolerant Inputs: Inputs can accept voltages up to 5.5 V, making it suitable for mixed voltage systems.
- Low Power Consumption: Maximum ICC of 10 µA.
- High Output Drive: ±24 mA output drive at 3.3 V.
- Partial-Power-Down Mode: Ioff circuitry supports live insertion, partial-power-down mode, and back-drive protection.
- Compact Packaging: Available in various compact packages including SOT-23, SC70, SOT, SON, and DSBGA.
Applications
- Active Noise Cancellation (ANC): Used in noise cancellation systems.
- Barcode Scanners: Employed in barcode scanning devices.
- Medical Devices: Used in blood pressure monitors and CPAP machines.
- Cable Solutions: Utilized in various cable management systems.
- Embedded PCs: Integrated into embedded PC systems.
- Field Transmitters: Used in temperature or pressure sensor applications.
- HVAC Systems: Employed in heating, ventilating, and air conditioning systems.
- Video Communications: Used in high-definition TVs, LCD TVs, and digital video systems.
Q & A
- What is the operating voltage range of the SN74LVC1G57DBVR?
The SN74LVC1G57DBVR operates over a voltage range of 1.65 V to 5.5 V.
- What types of logic functions can the SN74LVC1G57DBVR perform?
The device supports AND, OR, NAND, NOR, XNOR, inverter, and buffer logic functions.
- What is the significance of Schmitt-triggered inputs in the SN74LVC1G57DBVR?
Schmitt-triggered inputs provide a minimum separation between positive and negative switching thresholds, helping to translate noisy or slow inputs into clean logic levels.
- How much power does the SN74LVC1G57DBVR consume?
The device has a maximum power consumption (ICC) of 10 µA.
- What is the output drive capability of the SN74LVC1G57DBVR at 3.3 V?
The device has an output drive capability of ±24 mA at 3.3 V.
- What are the available package options for the SN74LVC1G57?
The device is available in SOT-23, SC70, SOT, SON, and DSBGA packages.
- What is the propagation delay of the SN74LVC1G57DBVR at 3.3 V?
The propagation delay (tpd) at 3.3 V is typically 6.3 ns.
- Can the SN74LVC1G57DBVR be used in partial-power-down mode?
- What are some common applications of the SN74LVC1G57DBVR?
The device is used in various applications including active noise cancellation, barcode scanners, medical devices, cable solutions, embedded PCs, field transmitters, HVAC systems, and video communications.
- What is the operating temperature range of the SN74LVC1G57DBVR?
The device operates over a temperature range of -40°C to 125°C.
