Overview
The 74ABT244D,602 is an octal buffer/line driver with 3-state outputs, manufactured by Nexperia (previously part of NXP Semiconductors). This device is designed to provide high-speed buffering and line driving capabilities, making it suitable for a variety of digital logic applications. It can be used as two 4-bit buffers or one 8-bit buffer, offering flexibility in circuit design.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Number of bits | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|---|---|
| 74ABT244D | 4.5 - 5.5 | TTL | -32 / +64 | 100 | 8 | medium | -40 to +85 | SO20 |
Key Features
- Octal buffer/line driver with 3-state outputs: Allows for high-speed buffering and line driving.
- BiCMOS technology: Provides high speed and output drive capabilities.
- Output drive capability: +64 mA / -32 mA.
- Direct interface with TTL levels: Compatible with TTL logic levels.
- Power-up 3-State: Ensures outputs are in a high-impedance state during power-up.
- Live insertion capability: Can be safely inserted or removed from a live system.
- IOFF circuitry: Enables partial power-down mode operation, preventing backflow current.
- ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2) exceeds 2000 V, CDM (ANSI/ESDA/JEDEC JS-002 class C3) exceeds 1000 V.
- Latch-up protection: Exceeds 500 mA per JESD78 class II level A.
Applications
- Digital logic circuits: Ideal for buffering and driving signals in digital logic systems.
- Bus interfaces: Suitable for octal bus interfaces requiring high-speed and 3-state outputs.
- Partial power-down applications: Useful in systems where partial power-down is necessary.
- Live insertion systems: Can be used in systems where components need to be inserted or removed while the system is live.
Q & A
- What is the primary function of the 74ABT244D,602?
The primary function is to act as an octal buffer/line driver with 3-state outputs.
- What is the supply voltage range for the 74ABT244D,602?
The supply voltage range is from 4.5 to 5.5 V.
- What is the output drive capability of the 74ABT244D,602?
The output drive capability is +64 mA / -32 mA.
- Is the 74ABT244D,602 compatible with TTL logic levels?
Yes, it is compatible with TTL logic levels.
- What is the purpose of the IOFF circuitry in the 74ABT244D,602?
The IOFF circuitry enables partial power-down mode operation, preventing backflow current.
- What kind of ESD protection does the 74ABT244D,602 offer?
The device offers HBM (ANSI/ESDA/JEDEC JS-001 class 2) exceeding 2000 V and CDM (ANSI/ESDA/JEDEC JS-002 class C3) exceeding 1000 V.
- What is the operating temperature range for the 74ABT244D,602?
The operating temperature range is from -40°C to +85°C.
- Can the 74ABT244D,602 be used in live insertion systems?
Yes, it can be safely inserted or removed from a live system.
- What type of package does the 74ABT244D,602 come in?
The device comes in a SO20 (SOT163-1) package.
- Does the 74ABT244D,602 have latch-up protection?
Yes, it exceeds 500 mA per JESD78 class II level A.
