Overview
The SN74LVC2G125DCU3 is a dual bus buffer gate with 3-state outputs, manufactured by Texas Instruments. This device is designed for operation over a wide voltage range of 1.65 V to 5.5 V, making it versatile for various applications. It features dual line drivers with output enable control, allowing the outputs to be disabled when the associated output-enable (OE) input is high. The SN74LVC2G125DCU3 is available in the VSSOP (DCU) package and is fully specified for partial-power-down applications, ensuring high-impedance states during power-up or power-down.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| VCC Operating Range | 1.65 to 5.5 | V | |
| Input Voltage Range | 0 to 5.5 | V | |
| Maximum Propagation Delay (tpd) | 4.3 ns | ns | VCC = 3.3 V, TA = 25°C |
| Output Drive Current | ±24 mA | mA | VCC = 3.3 V |
| Power Consumption (ICC) | 10 µA Max | µA | VCC = 3.3 V |
| ESD Protection | 2000-V Human-Body Model, 1000-V Charged-Device Model | ||
| Operating Temperature Range | -40°C to +125°C | °C | |
| Package Type | VSSOP (DCU) | ||
| Package Size | 2.30 mm × 2.00 mm | mm |
Key Features
- ESD protection exceeds JESD 22 – 2000-V Human-Body Model and 1000-V Charged-Device Model.
- Available in Texas Instruments NanoFree™ package technology.
- Supports 5-V VCC operation and inputs accept voltages up to 5.5 V.
- Low power consumption with a maximum ICC of 10 µA.
- High output drive capability of ±24 mA at 3.3 V.
- Ioff circuitry 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.
Applications
- Cable modem termination systems.
- High-speed data acquisition and generation.
- Military: Radars and sonars.
- Motor controls: High-voltage.
- Power line communication modems.
- Solid-state drives (SSDs): Internal or external.
- Video broadcasting and infrastructure: Scalable platforms.
- Video broadcasting: IP-based multi-format transcoders.
- Video communications systems.
Q & A
- What is the operating voltage range of the SN74LVC2G125DCU3?
The SN74LVC2G125DCU3 operates over a voltage range of 1.65 V to 5.5 V.
- What is the maximum propagation delay of the SN74LVC2G125DCU3 at 3.3 V?
The maximum propagation delay is 4.3 ns at 3.3 V and 25°C.
- What is the output drive current capability of the SN74LVC2G125DCU3?
The device can drive up to ±24 mA at 3.3 V.
- What type of ESD protection does the SN74LVC2G125DCU3 have?
The device has ESD protection exceeding JESD 22 – 2000-V Human-Body Model and 1000-V Charged-Device Model.
- What package types are available for the SN74LVC2G125?
The device is available in VSSOP (DCU), SSOP (DCT), and DSBGA (YZP) packages.
- What is the purpose of the Ioff circuitry in the SN74LVC2G125DCU3?
The Ioff circuitry supports live insertion, partial-power-down mode, and back-drive protection by disabling the outputs when the supply voltage is 0 V.
- Can the SN74LVC2G125DCU3 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 are some typical applications of the SN74LVC2G125DCU3?
Typical applications include cable modem termination systems, high-speed data acquisition and generation, military radars and sonars, and video broadcasting systems.
- How should the power supply be managed for the SN74LVC2G125DCU3?
Each VCC pin should have a good bypass capacitor to prevent power disturbance. A 0.1-μF capacitor is recommended for single supply devices, and 0.01-μF or 0.022-μF capacitors for each power pin in multiple VCC configurations.
- What is the operating temperature range of the SN74LVC2G125DCU3?
The device operates over a temperature range of -40°C to +125°C.
