Overview
The 74LVC240ADTR2G is a low-voltage CMOS quad 2-input NAND gate buffer produced by onsemi. This component is designed to operate within a wide voltage range, making it versatile for various digital circuit applications. However, it is important to note that the 74LVC240ADTR2G is currently obsolete and no longer manufactured, with recommended substitutes available such as the MC74LCX240DTR2G.
Key Specifications
| Parameter | Value | Condition | Units |
|---|---|---|---|
| VCC (DC Supply Voltage) | 1.2 to 3.6 V | V | |
| VI (DC Input Voltage) | −0.5 to +7.0 V | V | |
| VO (DC Output Voltage) | −0.5 to +7.0 V | Output in 3-State | V |
| IOH (HIGH Level Output Current) | −24 mA | VCC = 3.0 V | mA |
| IOL (LOW Level Output Current) | 24 mA | VCC = 3.0 V | mA |
| TA (Operating Free-Air Temperature) | −55 to +125 °C | °C | |
| CIN (Input Capacitance) | 7 pF | VCC = 3.3 V, VI = 0 V or VCC | pF |
Key Features
- Low-voltage CMOS technology with operation from 1.2 to 3.6 V.
- 5 V tolerant inputs to interface with 5 V TTL logic.
- High impedance TTL compatible inputs to reduce current loading on input drivers.
- TTL compatible outputs for improved switching noise performance.
- Output Enable (OE) input to place outputs in a HIGH Z condition when HIGH.
- Supports live insertion and withdrawal.
Applications
- Memory address driving.
- TTL level bus-oriented transceiver applications.
- General-purpose buffering and driving in digital circuits.
- Systems requiring low power consumption and high-speed operation.
Q & A
- What is the operating voltage range of the 74LVC240ADTR2G?
The 74LVC240ADTR2G operates from 1.2 to 3.6 V.
- Is the 74LVC240ADTR2G 5 V tolerant?
Yes, the 74LVC240ADTR2G has 5 V tolerant inputs.
- What is the maximum output current of the 74LVC240ADTR2G?
The maximum output current is 24 mA for both HIGH and LOW levels.
- What is the purpose of the Output Enable (OE) input?
The Output Enable (OE) input places the outputs in a HIGH Z condition when it is HIGH.
- Is the 74LVC240ADTR2G suitable for live insertion and withdrawal?
Yes, it supports live insertion and withdrawal.
- What are the typical applications of the 74LVC240ADTR2G?
It is used in memory address driving, TTL level bus-oriented transceiver applications, and general-purpose buffering and driving in digital circuits.
- Why is the 74LVC240ADTR2G obsolete?
The 74LVC240ADTR2G is obsolete and no longer manufactured, with recommended substitutes available.
- What are the recommended substitutes for the 74LVC240ADTR2G?
Recommended substitutes include the MC74LCX240DTR2G.
- What is the operating temperature range of the 74LVC240ADTR2G?
The operating temperature range is from −55 to +125 °C.
- What is the input capacitance of the 74LVC240ADTR2G?
The input capacitance is typically 7 pF.
