Overview
The 74LVCH244APW/OAUJ is an octal buffer/line driver produced by NXP USA Inc., now part of Nexperia. This device is part of the 74LVCH series and is designed to provide high-performance buffering and line driving capabilities. It features 3-state outputs and can be used as two 4-bit buffers or one 8-bit buffer, making it versatile for various digital logic applications. The device is known for its wide supply voltage range, low power consumption, and compatibility with both 3.3 V and 5 V environments, making it suitable for mixed-voltage systems.
Key Specifications
| Type | Value |
|---|---|
| Manufacturer | NXP USA Inc. (Nexperia) |
| Part Number | 74LVCH244APW/OAUJ |
| Package / Case | 20-TSSOP (SOT360-1) |
| Operating Temperature | -40°C to 125°C |
| Voltage - Supply | 1.2V to 3.6V |
| Output Type | 3-State |
| Current - Output High, Low | ±24mA |
| Logic Type | Buffer, Non-Inverting |
| Number of Bits per Element | 4 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V |
Key Features
- Wide Supply Voltage Range: Operates from 1.2 V to 3.6 V, making it suitable for a variety of applications.
- 3-State Outputs: Each output can be set to a high-impedance OFF-state, controlled by two output enables (1OE and 2OE).
- CMOS Low-Power Consumption: Low power consumption to minimize energy usage.
- Direct Interface with TTL Levels: Compatible with TTL logic levels, facilitating integration with other logic circuits.
- Overvoltage Tolerant Inputs: Inputs can tolerate voltages up to 5.5 V.
- Schmitt-Trigger Action: Inputs feature Schmitt-trigger action, making the circuit tolerant of slower input rise and fall times.
- IOFF Circuitry: Provides partial power-down mode operation, preventing backflow current when the device is powered down.
- Bus Hold on Data Inputs: Available on the 74LVCH244A model, ensuring that the inputs are held at the last valid logic level.
Applications
- Mixed Voltage Systems: Ideal for use in mixed 3.3 V and 5 V environments, acting as a translator between different voltage levels.
- Buffering and Line Driving: Suitable for buffering and driving signals in digital logic circuits.
- Partial Power Down Applications: Useful in systems where partial power-down is required to conserve energy.
- General Digital Logic Circuits: Can be used in various digital logic applications requiring high-performance buffering and line driving.
Q & A
- What is the operating temperature range of the 74LVCH244APW/OAUJ?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for this device?
The supply voltage range is from 1.2 V to 3.6 V.
- What type of outputs does the 74LVCH244APW/OAUJ have?
The device has 3-state outputs.
- How many bits per element does this device support?
It supports 4 bits per element.
- Is the 74LVCH244APW/OAUJ RoHS compliant?
Yes, it is ROHS3 compliant.
- What is the ESD protection level of this device?
The device has HBM protection exceeding 2000 V and CDM protection exceeding 1000 V.
- Can the 74LVCH244APW/OAUJ be used in mixed voltage environments?
Yes, it can be used in mixed 3.3 V and 5 V environments.
- What is the purpose of the IOFF circuitry in this device?
The IOFF circuitry provides partial power-down mode operation, preventing backflow current when the device is powered down.
- Does the 74LVCH244APW/OAUJ feature Schmitt-trigger action on its inputs?
Yes, the inputs feature Schmitt-trigger action.
- What is the maximum output current of the 74LVCH244APW/OAUJ?
The maximum output current is ±24mA.
