Overview
The 74LVCH244APW/AUJ118 is an 8-bit buffer/line driver produced by NXP USA Inc. This integrated circuit is part of the LVC/LCX/Z series and is designed to operate in a wide range of voltage levels, making it versatile for various applications. The device features 3-state outputs and can be used as two 4-bit buffers or one 8-bit buffer, making it suitable for data transmission and signal buffering in digital systems.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVCH244APW | 1.2 - 3.6 | CMOS/LVTTL | ± 24 | 175 | 8 | low | -40~125 | 101 | 45 | TSSOP20 |
Key Features
- 3-State Outputs: The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs, allowing for high-impedance OFF-state when nOE is HIGH.
- Wide Supply Voltage Range: Operates from 1.2 V to 3.6 V, making it suitable for mixed 3.3 V and 5 V environments.
- Schmitt-Trigger Action: Inputs are tolerant of slower input rise and fall times due to Schmitt-trigger action.
- Low Power Consumption: CMOS technology ensures low power consumption.
- Overvoltage Tolerant Inputs: Inputs can tolerate up to 5.5 V.
- IOFF Circuitry: Provides partial power-down mode operation, preventing backflow current when powered down.
- Bus Hold on Data Inputs: Available on the 74LVCH244A model, ensuring that the inputs are held stable.
- ESD Protection: Exceeds 2000 V HBM and 1000 V CDM.
Applications
The 74LVCH244APW/AUJ118 is suitable for a variety of applications, including:
- Data Transmission and Signal Buffering: Ideal for buffering and driving data lines in digital systems.
- Mixed Voltage Environments: Can act as a translator between 3.3 V and 5 V devices.
- Low Power Systems: Suitable for systems requiring low power consumption.
- Industrial and Automotive Systems: Operates over a wide temperature range (-40°C to +125°C), making it suitable for harsh environments.
Q & A
- What is the primary function of the 74LVCH244APW/AUJ118? The primary function is to act as an 8-bit buffer/line driver with 3-state outputs.
- What is the voltage range for the 74LVCH244APW/AUJ118? The device operates from 1.2 V to 3.6 V.
- What type of inputs does the 74LVCH244APW/AUJ118 support? The device supports CMOS and LVTTL logic switching levels and is overvoltage tolerant up to 5.5 V.
- How many output enables does the 74LVCH244APW/AUJ118 have? The device has two output enables (1OE and 2OE).
- What is the maximum output drive capability of the 74LVCH244APW/AUJ118? The maximum output drive capability is ±24 mA.
- What is the maximum operating frequency of the 74LVCH244APW/AUJ118? The maximum operating frequency is 175 MHz.
- What package type is the 74LVCH244APW/AUJ118 available in? The device is available in a 20-TSSOP package.
- Does the 74LVCH244APW/AUJ118 have ESD protection? Yes, it exceeds 2000 V HBM and 1000 V CDM.
- What is the operating temperature range of the 74LVCH244APW/AUJ118? The device operates from -40°C to +125°C.
- Is the 74LVCH244APW/AUJ118 RoHS compliant? Yes, it is ROHS3 compliant).
