Overview
The SN74LVC2G34DBVT, produced by Texas Instruments, is a dual buffer gate designed to operate within a wide voltage range of 1.65 V to 5.5 V. This device performs the Boolean function Y = A in positive logic, making it versatile for various digital logic applications. The SN74LVC2G34DBVT is packaged in a NanoFree™ package, a breakthrough in IC packaging that uses the die as the package itself. This device is fully specified for partial-power-down applications and includes Ioff circuitry to prevent damaging current backflow when powered down.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCC (Supply Voltage) | 1.65 | 5.5 | V |
| VI (Input Voltage) | -0.5 | 6.5 | V |
| VO (Output Voltage in High or Low State) | -0.5 | VCC + 0.5 | V |
| IIK (Input Clamp Current) | -50 | - | mA |
| IOK (Output Clamp Current) | -50 | - | mA |
| IO (Continuous Output Current) | -50 | 50 | mA |
| TJ (Junction Temperature) | - | 150 | °C |
| Tstg (Storage Temperature) | -65 | 150 | °C |
| tpd (Propagation Delay, A to Y) | 1.2 | 4.6 | ns (at VCC = 3.3 V, TA = 25°C) |
| ICC (Low Power Consumption) | - | 10 | µA |
| Output Drive | -24 | 24 | mA (at VCC = 3.3 V) |
Key Features
- Available in Texas Instruments NanoFree™ package
- Supports 5.5-V VCC operation
- Inputs accept voltages up to 5.5 V
- Maximum propagation delay of 4.1 ns at 3.3 V
- Low power consumption, 10-µA maximum ICC
- ±24-mA output drive at 3.3 V
- Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 3.3 V, TA = 25°C
- Typical VOHV (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 to translate inputs from a maximum of 5.5 V down to the VCC level
- Latch-up performance exceeds 100 mA per JESD 78, Class II
- ESD protection exceeds JESD 22 (2000-V Human Body Model, 200-V Machine Model, 1000-V Charged-Device Model)
Applications
The SN74LVC2G34DBVT is suitable for a variety of applications due to its high-drive capability and wide operating voltage range. It can be used as a buffer with high output drive, making it ideal for driving multiple outputs and suitable for high-speed applications up to 100 MHz. Specific use cases include:
- LED driver applications where high output drive is necessary
- Down translation of inputs from a higher voltage level to the VCC level
- Partial-power-down applications where Ioff circuitry is beneficial
- High-speed digital logic circuits requiring fast propagation delays and low power consumption
Q & A
- What is the operating voltage range of the SN74LVC2G34DBVT?
The SN74LVC2G34DBVT operates within a voltage range of 1.65 V to 5.5 V.
- What is the maximum propagation delay of the SN74LVC2G34DBVT at 3.3 V?
The maximum propagation delay at 3.3 V is 4.1 ns.
- What is the output drive capability of the SN74LVC2G34DBVT at 3.3 V?
The device can produce ±24 mA of output drive at 3.3 V.
- Does the SN74LVC2G34DBVT support partial-power-down applications?
Yes, it supports partial-power-down applications using Ioff circuitry.
- What is the typical output ground bounce and output VOH undershoot at 3.3 V?
The typical output ground bounce is less than 0.8 V, and the typical output VOH undershoot is greater than 2 V at VCC = 3.3 V, TA = 25°C.
- What are the ESD protection ratings for the SN74LVC2G34DBVT?
The device has ESD protection exceeding 2000-V Human Body Model, 200-V Machine Model, and 1000-V Charged-Device Model.
- Can the SN74LVC2G34DBVT be used as a down translator?
Yes, it can be used to translate inputs from a maximum of 5.5 V down to the VCC level.
- What is the junction temperature range for the SN74LVC2G34DBVT?
The junction temperature range is up to 150°C.
- What is the storage temperature range for the SN74LVC2G34DBVT?
The storage temperature range is from -65°C to 150°C.
- What are the package options available for the SN74LVC2G34DBVT?
The device is available in SOT-23 (DBV), SC70 (DCK), SOT (DRL), and DSBGA (YZP) packages.
