Overview
The 74LVC244ADTR2G is a high-performance, non-inverting octal buffer produced by ON Semiconductor. This device operates within a wide supply voltage range of 1.2 V to 3.6 V, making it versatile for various applications. It features 5 V tolerant inputs and outputs, allowing it to interface safely with 5 V TTL logic devices. The 74LVC244A series, to which this component belongs, is designed for low-power consumption and high-speed operation, making it suitable for memory address driving and TTL level bus-oriented transceiver applications.
Key Specifications
| Parameter | Min | Max | Units | |
|---|---|---|---|---|
| VCC Supply Voltage | 1.2 | 3.6 | V | |
| VI Input Voltage | 0 | 5.5 | V | |
| VO Output Voltage | 0 | VCC | V | |
| IOH High Level Output Current (VCC = 3.0 V - 3.6 V) | -24 | mA | ||
| IOL Low Level Output Current (VCC = 3.0 V - 3.6 V) | 24 | mA | ||
| TA Operating Free-Air Temperature | -40 | 125 | °C | |
| tPD Propagation Delay (VCC = 1.2 V) | 17.0 | ns | ||
| fmax Maximum Frequency | 175 | MHz |
Key Features
- High-performance, non-inverting octal buffer with 3-state outputs.
- Operates from a 1.2 V to 3.6 V supply voltage.
- 5 V tolerant inputs and outputs, allowing safe interface with 5 V TTL logic devices.
- 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 disable outputs by placing them in a HIGH Z condition.
- Schmitt-trigger action at all inputs for tolerance of slower input rise and fall times.
- IOFF circuitry for partial power-down mode operation.
- Low-power consumption and CMOS technology.
- ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V) and CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V).
Applications
- Memory address driving.
- TTL level bus-oriented transceiver applications.
- Mixed 3.3 V and 5 V environment applications.
- Partial power-down applications.
- General-purpose buffering and line driving in digital systems.
Q & A
- What is the operating supply voltage range of the 74LVC244ADTR2G?
The operating supply voltage range is from 1.2 V to 3.6 V.
- What is the maximum output current capability of the 74LVC244ADTR2G?
The maximum output current capability is 24 mA for both high and low levels.
- Is the 74LVC244ADTR2G compatible with 5 V TTL logic devices?
- What is the purpose of the Output Enable (OE) input?
The Output Enable (OE) input, when HIGH, disables the output by placing them in a HIGH Z condition.
- What type of ESD protection does the 74LVC244ADTR2G have?
The device has ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V) and CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V).
- What is the maximum operating temperature range for the 74LVC244ADTR2G?
The maximum operating temperature range is from -40°C to +125°C.
- Can the 74LVC244ADTR2G be used in partial power-down applications?
- What is the maximum frequency of operation for the 74LVC244ADTR2G?
The maximum frequency of operation is up to 175 MHz.
- Does the 74LVC244ADTR2G have Schmitt-trigger inputs?
- What type of logic switching levels does the 74LVC244ADTR2G support?
