Overview
The SN74LVT244B, produced by Texas Instruments, is an octal buffer and line driver with 3-state outputs. This device is designed for operation over a voltage range of 2.7 V to 3.6 V, making it suitable for a variety of applications requiring low-voltage operation. It features TTL-compatible CMOS inputs and balanced CMOS 3-state outputs, which can drive high, drive low, or enter a high-impedance state. The SN74LVT244B is organized as two 4-bit line drivers with separate output-enable (OE) inputs, allowing for flexible control over the output states.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 2.7 | - | 3.6 | V |
| Input Voltage (VI) | -0.5 | - | 7 | V |
| Output Voltage (VO) | -0.5 | - | VCC + 0.5 | V |
| Continuous Output Current (IO) | - | - | ±35 | mA |
| Propagation Delay Time (tpd) at VCC = 3 V | - | - | 6.5 | ns |
| Operating Free-Air Temperature (TA) | -40 | - | 125 | °C |
Key Features
- Operates over a voltage range of 2.7 V to 3.6 V.
- TTL-compatible CMOS inputs.
- Balanced CMOS 3-state outputs capable of driving high, driving low, or entering a high-impedance state.
- Organized as two 4-bit line drivers with separate output-enable (OE) inputs.
- Supports mixed-mode voltage operation on all ports.
- Ioff supports partial-power-down mode operation.
- Latch-up performance exceeds 250 mA per JESD 17.
Applications
- Servers and network switches.
- LED displays.
- Telecom infrastructure.
- Motor-drive control boards.
- I/O expanders.
Q & A
- What is the operating voltage range of the SN74LVT244B?
The SN74LVT244B operates over a voltage range of 2.7 V to 3.6 V.
- What type of inputs does the SN74LVT244B have?
The SN74LVT244B has TTL-compatible CMOS inputs.
- What are the possible states of the outputs of the SN74LVT244B?
The outputs can drive high, drive low, or enter a high-impedance state.
- How is the SN74LVT244B organized?
The device is organized as two 4-bit line drivers with separate output-enable (OE) inputs.
- What is the maximum propagation delay time at VCC = 3 V?
The maximum propagation delay time at VCC = 3 V is 6.5 ns.
- What is the operating free-air temperature range of the SN74LVT244B?
The operating free-air temperature range is from -40°C to 125°C.
- Does the SN74LVT244B support partial-power-down mode operation?
- What are some common applications of the SN74LVT244B?
- What is the latch-up performance of the SN74LVT244B?
The latch-up performance exceeds 250 mA per JESD 17.
- What types of packages are available for the SN74LVT244B?
The device is available in various packages such as SSOP, TVSOP, SOIC, SO, TSSOP, VQFN, and others.
