Overview
The 74LVT244AD,118 is an 8-bit buffer/line driver with 3-state outputs, manufactured by Nexperia USA Inc. This device is part of the 74LVT244A and 74LVTH244A series, which are designed to provide high-speed and high-drive capabilities. It can be used as two 4-bit buffers or one 8-bit buffer, making it versatile for various digital logic applications. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs, allowing for flexible control over the output states.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Nr of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVT244AD | 2.7 - 3.6 | TTL | -32 / +64 | 150 | 8 | medium | -40~85 | 84 | 60 | SO20 (SOT163-1) |
Key Features
- 3-State Outputs: The device features 3-state outputs, which can be set to a high-impedance OFF-state using the output enables (1OE and 2OE).
- Wide Supply Voltage Range: Operates from 2.7 V to 3.6 V, making it compatible with a variety of power supply systems.
- High Output Drive Capability: Capable of driving up to +64 mA and sinking up to -32 mA.
- BiCMOS Technology: Combines the benefits of bipolar and CMOS technologies for high speed and low power consumption.
- Bus Hold Data Inputs: Eliminates the need for external pull-up resistors to define unused inputs.
- Live Insertion and Extraction Permitted: Allows for safe insertion and removal of the device from a live system.
- ESD Protection: Compliant with ANSI/ESDA/JEDEC JS-001 class 2 (exceeds 2000 V) and ANSI/ESDA/JEDEC JS-002 class C3 (exceeds 1000 V).
Applications
- Digital Logic Systems: Suitable for use in various digital logic circuits where high-speed and high-drive capabilities are required.
- Computer Systems: Can be used in computer peripherals, network equipment, and other digital systems.
- Industrial Automation: Useful in industrial control systems, automation equipment, and other high-reliability applications.
- Telecommunications: Applicable in telecommunications equipment, such as switches and routers.
Q & A
- What is the primary function of the 74LVT244AD,118?
The primary function is to act as an 8-bit buffer/line driver with 3-state outputs.
- What is the operating supply voltage range for this device?
The device operates from 2.7 V to 3.6 V.
- What is the output drive capability of the 74LVT244AD,118?
The device can drive up to +64 mA and sink up to -32 mA.
- What are the logic switching levels for this device?
The logic switching levels are TTL (Transistor-Transistor Logic).
- What is the maximum operating temperature for the 74LVT244AD,118?
The device operates from -40°C to 85°C.
- Does the device have ESD protection?
Yes, it complies with ANSI/ESDA/JEDEC JS-001 class 2 (exceeds 2000 V) and ANSI/ESDA/JEDEC JS-002 class C3 (exceeds 1000 V).
- Can the device be used in live systems?
Yes, live insertion and extraction are permitted.
- What package types are available for the 74LVT244AD,118?
The device is available in SO20 (SOT163-1), DHVQFN20 (SOT764-1), and TSSOP20 (SOT360-1) packages.
- How many bits does the 74LVT244AD,118 support?
The device supports 8 bits and can be used as two 4-bit buffers or one 8-bit buffer.
- What is the purpose of the bus hold data inputs?
The bus hold data inputs eliminate the need for external pull-up resistors to define unused inputs.
