Overview
The SN74AUP1T87DCKR is a low-power, 2-input exclusive-NOR gate integrated circuit produced by Texas Instruments. This device is part of the AUP (Advanced Ultra-Low Power) technology family, designed to extend battery life in portable and mobile applications. It operates with a single supply voltage ranging from 2.3 V to 3.6 V and supports input levels that accept 1.8-V LVCMOS signals. The SN74AUP1T87 is optimized for logic-level translation applications with output referenced to the supply voltage (VCC). Despite being discontinued, its features and specifications remain relevant for understanding its capabilities.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range (VCC) | 2.3 | 3.6 | V | |
| Input Voltage Range (VI) | 0 | 3.6 | V | |
| Output Voltage Range (VO) | 0 | VCC + 0.5 | V | |
| Operating Free-Air Temperature (TA) | -40 | 85 | °C | |
| High-Level Output Current (IOH) at VCC = 3 V | -4 | mA | ||
| Low-Level Output Current (IOL) at VCC = 3 V | 4 | mA | ||
| Static Power Consumption | 0.1 | µA | ||
| Dynamic Power Consumption | 0.9 | µA | ||
| Package Thermal Impedance (qJA) | 259 | °C/W |
Key Features
- Single-supply voltage translator supporting 1.8-V, 2.5-V, and 3.3-V input levels.
- Output level up to supply VCC CMOS level.
- ESD performance tested per JESD 22: 2000-V Human-Body Model and 1000-V Charged-Device Model.
- Schmitt-trigger inputs reject input noise and provide better output signal integrity.
- Very low static and dynamic power consumption.
- Ioff supports partial power down (VCC = 0 V).
- Latch-up performance exceeds 100 mA per JESD 78, Class II.
- Pb-free packages available in SC-70 (DCK) with dimensions 2 x 2.1 x 0.65 mm.
Applications
The SN74AUP1T87 is suitable for various applications requiring low power consumption and high signal integrity, such as:
- Portable and mobile devices.
- Analog mixed-mode designs.
- Logic-level translation applications.
- Battery-powered systems where extended battery life is crucial.
Q & A
- What is the primary function of the SN74AUP1T87? The SN74AUP1T87 performs the Boolean function Y = A Å B, which is an exclusive-NOR gate.
- What is the supply voltage range for the SN74AUP1T87? The supply voltage range is from 2.3 V to 3.6 V.
- What are the input voltage levels supported by the SN74AUP1T87? It supports input levels that accept 1.8-V LVCMOS signals.
- What is the significance of Schmitt-trigger inputs in the SN74AUP1T87? Schmitt-trigger inputs reject input noise and ensure better output signal integrity.
- How does the Ioff feature benefit the SN74AUP1T87? The Ioff feature allows for powered-down conditions (VCC = 0 V) without damaging the device.
- What is the package type and dimensions of the SN74AUP1T87DCKR? It is available in a Pb-free SC-70 (DCK) package with dimensions 2 x 2.1 x 0.65 mm.
- What are the ESD protection ratings for the SN74AUP1T87? It is tested per JESD 22 with ratings of 2000-V Human-Body Model and 1000-V Charged-Device Model.
- What is the operating free-air temperature range for the SN74AUP1T87? The operating free-air temperature range is from -40°C to 85°C.
- How does the SN74AUP1T87 manage power consumption? It has very low static and dynamic power consumption, with static power consumption of 0.1 µA and dynamic power consumption of 0.9 µA.
- Is the SN74AUP1T87 still in production? No, the SN74AUP1T87 has been discontinued by Texas Instruments.
