Overview
The 74ABT244PW,118 is a high-performance BiCMOS octal buffer/line driver produced by Nexperia USA Inc. This device is part of the 74ABT series and is designed for driving bus lines with its 3-state output capabilities. It features two output enables (1OE and 2OE), each controlling four of the 3-state outputs, making it versatile for various applications. The device operates within a supply voltage range of 4.5 to 5.5 volts and is fully specified for partial power-down applications using IOFF circuitry.
Key Specifications
| Attribute | Specification |
|---|---|
| Logic Circuit | Buffer/Line Driver |
| Family | ABT |
| No of Functions / Channels | 8 |
| Output Characteristics | 3-State |
| Supply Voltage-Nom | 4.5V to 5.5V |
| Supply Current | 50µA |
| Propagation Delay | 2.6ns |
| Operating Temperature | -40°C to +85°C |
| Capacitance | 4pF |
| No of Inputs | 8 |
| No of Outputs | 8 |
| High Level Output Current | -32mA |
| Low Level Output Current | 64mA |
| No of Pins | 20 |
| Moisture Sensitivity Level | 1 |
| Package Style | TSSOP-20 |
| Mounting Method | Surface Mount |
Key Features
- Octal bus interface with 3-State buffers
- Output capability: +64mA/-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 capability
- Inputs are disabled during 3-State mode
- IOFF circuitry for partial power-down mode operation
- Direct interface with TTL levels
Applications
The 74ABT244PW is ideal for various applications requiring high-speed and high-output drive capabilities, such as:
- Driving bus lines in computer systems and peripherals
- Interface circuits between different logic families
- Partial power-down applications where IOFF circuitry is beneficial
- Industrial and automotive electronics where robust ESD protection is necessary
Q & A
- What is the supply voltage range of the 74ABT244PW?
The supply voltage range is from 4.5V to 5.5V.
- How many output enables does the 74ABT244PW have?
The device has two output enables (1OE and 2OE), each controlling four of the 3-state outputs.
- What is the propagation delay of the 74ABT244PW?
The propagation delay is 2.6ns).
- What is the operating temperature range of the 74ABT244PW?
The operating temperature range is from -40°C to +85°C).
- What type of ESD protection does the 74ABT244PW offer?
The device offers ESD protection exceeding 2000 V per MIL STD 883 Method 3015 and 200 V per Machine Model).
- Does the 74ABT244PW support live insertion?
Yes, the device supports live insertion).
- What is the package style of the 74ABT244PW?
The package style is TSSOP-20).
- What is the moisture sensitivity level of the 74ABT244PW?
The moisture sensitivity level is 1).
- Does the 74ABT244PW have IOFF circuitry for partial power-down mode operation?
Yes, the device includes IOFF circuitry for partial power-down mode operation).
- What is the maximum output drive capability of the 74ABT244PW?
The maximum output drive capability is +64mA/-32mA).
