Overview
The 74LVC2244APW,118 is an 8-bit buffer/line driver produced by Nexperia, a company that was previously part of NXP Semiconductors. This device is part of the 74LVC series and is designed to operate in a wide range of applications, particularly in mixed 3.3 V and 5 V environments. It features two output enables (1OE and 2OE), each controlling four of the 3-state outputs, allowing for flexible configuration as either two 4-bit buffers or one 8-bit buffer. The device is known for its low-power consumption, integrated 30 Ω termination resistors, and overvoltage tolerant inputs up to 5.5 V.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Number of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC2244APW | 1.2 - 3.6 | CMOS/LVTTL | ± 12 | 175 | 8 | Low | -40 ~ 125 | 100 | 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 enabled.
- Wide Supply Voltage Range: Operates from 1.2 V to 3.6 V, making it versatile for various applications.
- Overvoltage Tolerant Inputs: Inputs can be driven from either 3.3 V or 5 V devices, and are tolerant up to 5.5 V.
- Integrated 30 Ω Termination Resistors: Reduces external component count and improves signal integrity.
- Low-Power Consumption: CMOS low-power consumption reduces energy usage.
- Schmitt-Trigger Action: Tolerant of slower input rise and fall times.
- IOFF Circuitry: Provides partial power-down mode operation, preventing backflow current when powered down.
- ESD Protection: Compliant with HBM and CDM standards, exceeding 2000 V and 1000 V respectively.
Applications
The 74LVC2244APW,118 is suitable for a wide range of applications across various industries, including:
- Automotive: For use in automotive systems requiring robust and reliable signal buffering.
- Industrial: In industrial control systems and automation where signal integrity is crucial.
- Consumer Electronics: For use in consumer devices that require low-power and high reliability.
- Mobile and Wearables: In mobile devices and wearables where space and power efficiency are key.
- Computing and Power Systems: For use in computing systems and power management circuits.
Q & A
- What is the primary function of the 74LVC2244APW,118?
The primary function is to act as an 8-bit buffer/line driver with 3-state outputs, capable of being used as two 4-bit buffers or one 8-bit buffer.
- What is the supply voltage range for this device?
The device operates from 1.2 V to 3.6 V.
- What type of package does the 74LVC2244APW,118 come in?
The device comes in a 20-pin TSSOP (Thin Shrink Small Outline Package) package.
- Does the device support mixed voltage environments?
Yes, it supports mixed 3.3 V and 5 V environments, with inputs tolerant up to 5.5 V.
- What is the maximum propagation delay for this device?
The maximum propagation delay is approximately 3.1 ns.
- Does the device have built-in ESD protection?
Yes, it complies with HBM and CDM standards, exceeding 2000 V and 1000 V respectively.
- What is the operating temperature range for the 74LVC2244APW,118?
The device operates from -40 °C to +125 °C).
- What is the purpose of the IOFF circuitry?
The IOFF circuitry provides partial power-down mode operation, preventing backflow current when the device is powered down).
- Can the device be used in automotive applications?
Yes, it is suitable for use in automotive systems requiring robust and reliable signal buffering).
- How many output enables does the device have?
The device has two output enables (1OE and 2OE), each controlling four of the 3-state outputs).
