Overview
The SN74LVC2G240DCTR is a dual buffer/driver with 3-state outputs, designed and manufactured by Texas Instruments. This component is part of the LVC (Low-Voltage CMOS) family and is optimized for low-power consumption and high performance. It operates over a wide voltage range from 1.65 V to 5.5 V, making it versatile for various applications. The device is organized as two 1-bit buffers/drivers with separate output-enable (OE) inputs, allowing for precise control over the output states.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage Range | 1.65 | - | 5.5 | V |
| Input Voltage Range | -0.5 | - | 6.5 | V |
| Output Voltage Range (High-Impedance or Power-Off State) | -0.5 | - | 6.5 | V |
| Output Voltage Range (High or Low State) | -0.5 | - | VCC + 0.5 | V |
| High-Level Input Voltage (VCC = 3.3 V) | 2.0 | - | VCC | V |
| Low-Level Input Voltage (VCC = 3.3 V) | 0.8 | - | 0.3 * VCC | V |
| High-Level Output Current (VCC = 3.3 V) | -24 | - | - | mA |
| Low-Level Output Current (VCC = 3.3 V) | 24 | - | - | mA |
| Propagation Delay Time (tpd) at VCC = 3.3 V | 1.1 | - | 4.6 | ns |
| Operating Free-Air Temperature Range | -40 | - | 125 | °C |
Key Features
- Supports 5-V VCC operation to improve performance and density of 3-state logic.
- Inputs accept voltages up to 5.5 V.
- Low power consumption with a maximum ICC of 10 µA.
- ±24-mA output drive at 3.3 V.
- Typical output ground bounce (VOLP) < 0.8 V at VCC = 3.3 V, TA = 25°C.
- Typical output VOH undershoot > 2 V at VCC = 3.3 V, TA = 25°C.
- Ioff supports live insertion, partial-power-down mode, and back-drive protection.
- Can be used as a down translator.
- Available in NanoFree™ package technology, which uses the die as the package.
Applications
- Memory address drivers.
- Clock drivers.
- Bus-oriented receivers and transmitters.
- General-purpose logic applications requiring low power and high speed.
- Systems where voltage translation is necessary.
Q & A
- What is the operating voltage range of the SN74LVC2G240DCTR?
The SN74LVC2G240DCTR operates over a voltage range from 1.65 V to 5.5 V.
- What is the maximum propagation delay time at VCC = 3.3 V?
The maximum propagation delay time (tpd) at VCC = 3.3 V is 4.6 ns.
- What is the maximum output current at VCC = 3.3 V?
The maximum output current at VCC = 3.3 V is ±24 mA.
- What are the typical output ground bounce and VOH undershoot values at VCC = 3.3 V?
The typical output ground bounce (VOLP) is < 0.8 V, and the typical VOH undershoot is > 2 V at VCC = 3.3 V, TA = 25°C.
- What package options are available for the SN74LVC2G240?
The SN74LVC2G240 is available in SSOP (DCT), VSSOP (DCU), and DSBGA (YZP) packages.
- What is the operating free-air temperature range for this device?
The operating free-air temperature range is from -40°C to 125°C.
- Does the SN74LVC2G240 support live insertion and partial-power-down mode?
Yes, the SN74LVC2G240 supports live insertion, partial-power-down mode, and back-drive protection.
- Can the SN74LVC2G240 be used as a voltage translator?
Yes, the SN74LVC2G240 can be used as a down translator.
- What is the significance of the NanoFree™ package technology?
The NanoFree™ package technology uses the die as the package, which is a breakthrough in IC packaging concepts.
- What are some common applications for the SN74LVC2G240?
Common applications include memory address drivers, clock drivers, bus-oriented receivers and transmitters, and general-purpose logic applications requiring low power and high speed.
