Overview
The SN74LV1T34DBVR, produced by Texas Instruments, is a single-bit buffer logic device designed for various voltage translation tasks. It belongs to the LVxT family of logic devices, which are known for their integrated voltage level translation capabilities. This device operates efficiently across a wide voltage range, supporting 1.8V, 2.5V, 3.3V, and 5V CMOS levels. The SN74LV1T34DBVR is particularly useful for applications requiring voltage level translation, such as in industrial, portable, telecom, and automotive systems. Its adjustable output level, based on the supply voltage, and 5V tolerant input pins make it versatile for both level-up and down translation tasks.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage (VCC) | 1.8V to 5.5V | V |
| Input Thresholds | VIH min = 1.36V, VIL min = 0.8V | V |
| Output Drive Capability | Up to 8mA | mA |
| Propagation Delay | Approximately 3 ns | ns |
| Maximum Junction Temperature | 150°C | °C |
| Input Capacitance | 2 to 10 pF | pF |
| Output Capacitance | 2.5 pF | pF |
| Package Types | DBV (SOT-23, 5), DCK (SC70, 5) | - |
| RoHS Status | RoHS3 Compliant | - |
Key Features
- Wide Voltage Range: Operates efficiently across a supply voltage range of 1.8V to 5.5V, supporting various CMOS levels.
- Voltage Level Translation: Capable of translating input voltage from 1.8V to 3.3V and supports down translation (e.g., 3.3V to 2.5V output at VCC = 2.5V).
- High-Drive Capability: Can source or sink up to 8mA, reducing line reflections, overshoot, and undershoot in high-speed logic circuits.
- Low Propagation Delay: Approximately 3 ns, making it suitable for time-sensitive applications requiring swift signal transmission.
- 5V Tolerant Input Pins: Allows for down translation and enhances the device's versatility in mixed-voltage systems.
- Robust Latch-Up Performance: Surpasses 100mA as defined by JESD 78, Class II standards, ensuring resilience under electrical stress conditions.
Applications
- Industrial Systems: Suitable for use in industrial environments due to its robustness and wide operating voltage range.
- Portable and Telecom Devices: Ideal for portable electronics and telecom applications where voltage level translation is necessary.
- Automotive Systems: Used in automotive systems for reliable voltage level translation and high-drive capability.
- Computers and Peripherals: Facilitates data streams and communication between components in motherboards, keyboards, and printers, ensuring fast and error-free data exchange.
Q & A
- What is the operating supply voltage range of the SN74LV1T34DBVR?
The operating supply voltage range is from 1.8V to 5.5V.
- What types of voltage level translation does the SN74LV1T34DBVR support?
The device supports both level-up (e.g., 1.8V to 3.3V) and down translation (e.g., 3.3V to 2.5V).
- What is the maximum current drive capability of the SN74LV1T34DBVR?
The device can source or sink up to 8mA.
- What is the propagation delay of the SN74LV1T34DBVR?
The propagation delay is approximately 3 ns.
- Is the SN74LV1T34DBVR RoHS compliant?
Yes, the device is RoHS3 compliant.
- What are the package types available for the SN74LV1T34DBVR?
The device is available in DBV (SOT-23, 5) and DCK (SC70, 5) packages.
- What is the maximum junction temperature of the SN74LV1T34DBVR?
The maximum junction temperature is 150°C.
- What are some common applications of the SN74LV1T34DBVR?
Common applications include industrial systems, portable and telecom devices, automotive systems, and computers and peripherals.
- Does the SN74LV1T34DBVR have 5V tolerant input pins?
Yes, the device has 5V tolerant input pins, which support down translation.
- How does the SN74LV1T34DBVR handle high-speed logic circuits?
The device's high-drive capability reduces line reflections, overshoot, and undershoot in high-speed logic circuits.
