Overview
The SN74LVC3G17DCURG4, produced by Texas Instruments, is a triple Schmitt-trigger buffer IC designed for a wide range of digital signal buffering and level shifting applications. This device operates within a voltage range of 1.65 V to 5.5 V, making it versatile for various electronic circuits. It features three independent buffers with Schmitt-trigger inputs, which provide hysteresis to improve noise immunity and reduce the likelihood of false triggering. The SN74LVC3G17DCURG4 is available in an 8-pin VSSOP (DCU) package and supports partial-power-down applications, ensuring robust and reliable performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 1.65 to 5.5 | V |
| Input Voltage (VI) | -0.5 to 6.5 | V |
| Output Voltage (VO) | -0.5 to VCC + 0.5 | V |
| Maximum Propagation Delay (tpd) at 3.3 V | 5.4 | ns |
| Low-Level Output Current (IOL) at 3.3 V | 24 | mA |
| High-Level Output Current (IOH) at 3.3 V | 24 | mA |
| Operating Temperature Range | -40 to 125 | °C |
| Power Consumption (ICC) at 3.3 V | 10 | μA |
Key Features
- Operates from 1.65 V to 5.5 V supply voltage.
- Supports 5-V VCC operation.
- Inputs accept voltages up to 5.5 V.
- Schmitt-trigger inputs for improved noise immunity.
- Maximum propagation delay of 5.4 ns at 3.3 V.
- Low power consumption, with a maximum ICC of 10 μA.
- ±24-mA output drive at 3.3 V.
- Partial-power-down mode with Ioff feature to prevent backflow current.
- Latch-up resistant, exceeding JESD 78 standard, class II.
- Protected against electrostatic discharge (ESD) per JESD 22 standards.
Applications
The SN74LVC3G17DCURG4 is suitable for a variety of digital signal buffering and level shifting applications, including:
- Digital signal processing in high-speed circuits.
- Level shifting between different voltage domains.
- Noise reduction and signal integrity enhancement in digital systems.
- Partial-power-down applications where power management is critical.
- General-purpose buffering in digital circuits.
Q & A
- Q: What is the operating voltage range of the SN74LVC3G17DCURG4?
A: The SN74LVC3G17DCURG4 operates within a voltage range of 1.65 V to 5.5 V.
- Q: Is the SN74LVC3G17DCURG4 suitable for high-speed applications?
A: Yes, it offers high-speed performance with a maximum propagation delay of 5.4 ns at 3.3 V.
- Q: What is the maximum output current of the SN74LVC3G17DCURG4?
A: The maximum output current is ±24 mA at 3.3 V.
- Q: Does the SN74LVC3G17DCURG4 support partial-power-down applications?
A: Yes, it features an Ioff circuitry that disables the outputs to prevent damaging current backflow when powered down.
- Q: What package types are available for the SN74LVC3G17DCURG4?
A: It is available in an 8-pin VSSOP (DCU) package and also in DSBGA (YZP) package.
- Q: Is the SN74LVC3G17DCURG4 protected against electrostatic discharge (ESD)?
A: Yes, it is protected against ESD per JESD 22 standards.
- Q: What is the operating temperature range of the SN74LVC3G17DCURG4?
A: The operating temperature range is -40°C to 125°C.
- Q: How does the Schmitt-trigger input improve the performance of the SN74LVC3G17DCURG4?
A: The Schmitt-trigger input provides hysteresis, which improves noise immunity and reduces the likelihood of false triggering.
- Q: Can the outputs of the SN74LVC3G17DCURG4 be combined for higher drive?
A: Yes, but care should be taken to avoid bus contention and consider routing and load conditions to prevent ringing.
- Q: What is the power consumption of the SN74LVC3G17DCURG4?
A: The maximum power consumption (ICC) is 10 μA at 3.3 V.
