Overview
The 74ABT244DB,112 from NXP Semiconductors is a high-performance BiCMOS octal buffer/line driver with 3-State outputs. This device is designed to combine low static and dynamic power dissipation with high speed and high output drive, making it ideal for driving bus lines in various electronic systems.
The 74ABT244DB features two Output Enables (1OE, 2OE), each controlling four of the 3-State outputs. This component is part of the 74ABT series and is packaged in a 20-SSOP (Shrink Small Outline Package) case.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | NXP Semiconductors |
| Series | 74ABT |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | TTL |
| Output Type | 3-State |
| Output Current (High, Low) | -32mA, +64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40 ℃ ~ 85 ℃ (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
Key Features
- Octal bus interface with 3-State buffers
- High output drive capability: +64mA and -32mA
- Latch-up protection exceeds 500mA per Jedec Std 17
- ESD protection exceeds 2000 V per MIL STD 883 Method 3015 and 200 V per Machine Model
- Power-up 3-State and live insertion capacity
- Inputs are disabled during 3-State mode
- Low static and dynamic power dissipation combined with high speed
Applications
The 74ABT244DB is suitable for a variety of applications where high-speed buffering and line driving are required. These include:
- Bus line driving in computer systems and peripherals
- High-speed data transmission systems
- Industrial control systems requiring robust and reliable signal buffering
- Telecommunication equipment where signal integrity is crucial
Q & A
- What is the primary function of the 74ABT244DB?
The primary function of the 74ABT244DB is to act as an octal buffer/line driver with 3-State outputs, ideal for driving bus lines.
- What is the operating voltage range of the 74ABT244DB?
The operating voltage range is 4.5V to 5.5V.
- What is the output current capability of the 74ABT244DB?
The output current capability is -32mA (high) and +64mA (low).
- What type of package does the 74ABT244DB come in?
The 74ABT244DB comes in a 20-SSOP (Shrink Small Outline Package) case.
- What are the key features of the 74ABT244DB in terms of protection?
The device features latch-up protection exceeding 500mA per Jedec Std 17 and ESD protection exceeding 2000 V per MIL STD 883 Method 3015 and 200 V per Machine Model.
- Is the 74ABT244DB suitable for high-speed applications?
Yes, the 74ABT244DB is designed for high-speed applications with low static and dynamic power dissipation.
- What is the operating temperature range of the 74ABT244DB?
The operating temperature range is -40 ℃ to 85 ℃.
- Can the 74ABT244DB be used in live insertion applications?
Yes, the 74ABT244DB has live insertion capacity.
- How are the outputs controlled in the 74ABT244DB?
The outputs are controlled by two Output Enables (1OE, 2OE), each controlling four of the 3-State outputs.
- What are some common applications of the 74ABT244DB?
Common applications include bus line driving in computer systems, high-speed data transmission systems, industrial control systems, and telecommunication equipment.
