Overview
The SN74LV1T34, produced by Texas Instruments, is a single buffer gate logic device designed for voltage level translation applications. It operates within a wide voltage range, supporting 1.8-V, 2.5-V, 3.3-V, and 5-V CMOS levels. This device is particularly useful in industrial, portable, telecom, and automotive applications due to its ability to perform both up and down voltage translations. The output level is referenced to the supply voltage, and the device features reduced input thresholds to match lower voltage input logic levels.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Operating Voltage Range | 1.65 V to 5.5 V | V | |
| Operating Temperature Range | -40°C to 125°C | °C | |
| Input Thresholds (VIH MIN, VIL MAX) | Dependent on VCC (e.g., 2 V at 5 V VCC, 0.99 V at 1.8 V VCC) | V | VCC dependent |
| Output Drive | 8 mA at 5 V, 7 mA at 3.3 V, 3 mA at 1.8 V | mA | VCC dependent |
| Input Capacitance | 2 to 10 pF | pF | VI = VCC or GND |
| Output Capacitance | 2.5 pF | pF | VO = VCC or GND |
| Package Types | SOT-23 (DBV), SC70 (DCK) | ||
| Package Size | SOT-23: 2.90 mm x 1.60 mm, SC70: 2.00 mm x 1.25 mm | mm |
Key Features
- Latch-up performance exceeds 250 mA per JESD 17
- Single-supply voltage translator at 5 V, 3.3 V, 2.5 V, and 1.8 V VCC
- Up translation: 1.2 V to 1.8 V, 1.5 V to 2.5 V, 1.8 V to 3.3 V, 3.3 V to 5.0 V
- Down translation: 3.3 V to 1.8 V, 3.3 V to 2.5 V, 5.0 V to 3.3 V
- Logic output referenced to VCC
- Output drive capability: 8 mA at 5 V, 7 mA at 3.3 V, 3 mA at 1.8 V
- Characterized up to 50 MHz at 3.3 V VCC
- 5 V tolerance on input pins
- CMOS output backward compatible with AUP1G and LVC1G families
Applications
- Industrial Controllers
- Telecom
- Portable Applications
- Servers and PC Notebooks
- Automotive Applications
Q & A
- What is the operating voltage range of the SN74LV1T34?
The operating voltage range of the SN74LV1T34 is from 1.65 V to 5.5 V.
- What are the typical applications for the SN74LV1T34?
The SN74LV1T34 is typically used in industrial controllers, telecom, portable applications, servers, PC notebooks, and automotive applications.
- What are the input and output drive capabilities of the SN74LV1T34?
The input thresholds are dependent on VCC, and the output drive capability is 8 mA at 5 V, 7 mA at 3.3 V, and 3 mA at 1.8 V.
- What are the package options for the SN74LV1T34?
The SN74LV1T34 is available in SOT-23 (DBV) and SC70 (DCK) packages.
- What is the operating temperature range of the SN74LV1T34?
The operating temperature range of the SN74LV1T34 is from -40°C to 125°C.
- Does the SN74LV1T34 support voltage level translation?
Yes, the SN74LV1T34 supports both up and down voltage level translation for various CMOS levels.
- What is the latch-up performance of the SN74LV1T34?
The latch-up performance of the SN74LV1T34 exceeds 250 mA per JESD 17.
- Is the SN74LV1T34 compatible with other logic families?
Yes, the SN74LV1T34 is CMOS output backward compatible with AUP1G and LVC1G families.
- What is the frequency characterization of the SN74LV1T34?
The SN74LV1T34 is characterized up to 50 MHz at 3.3 V VCC.
- Does the SN74LV1T34 have ESD protection?
Yes, the SN74LV1T34 has ESD performance tested per JESD 22.
