Overview
The 74LVC573APW/AUJ, produced by NXP USA Inc. (now part of Nexperia), is an 8-bit D-type transparent latch with 3-state outputs. This device is designed to handle data storage and transmission in a variety of digital systems. It features latch enable (LE) and output enable (OE) inputs, allowing for precise control over data flow and output states.
The device operates within a wide supply voltage range from 1.2 to 3.6 V and is compatible with both 3.3 V and 5 V logic levels, making it versatile for use in mixed-voltage environments. The 74LVC573APW/AUJ is packaged in a TSSOP20 (SOT360-1) package, which is suitable for a range of applications requiring compact and reliable logic functions.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC573APW | 1.2 - 3.6 | TTL | ± 24 | 3.4 | low | -40 ~ 125 | 101 | 4.7 | 45 | TSSOP20 |
Key Features
- Latch Enable and Output Enable Inputs: The device features latch enable (LE) and output enable (OE) inputs, allowing for control over when data is latched and when outputs are active or in a high-impedance state.
- 3-State Outputs: Outputs can be set to a high-impedance state, which is useful for bus-oriented applications.
- Wide Supply Voltage Range: Operates from 1.2 to 3.6 V, making it suitable for various power supply conditions.
- 5 V Tolerant Inputs/Outputs: Inputs and outputs are tolerant up to 5.5 V, allowing for use in mixed 3.3 V and 5 V environments.
- Schmitt-Trigger Action: Inputs have Schmitt-trigger action, which helps in reducing noise sensitivity.
- Low Power Consumption: CMOS technology ensures low power consumption.
- IOFF Circuitry: Provides partial power-down mode operation, preventing backflow current when the device is powered down.
- High-Impedance When VCC = 0 V: Outputs are in a high-impedance state when VCC is 0 V.
- Flow-Through Pinout Architecture: Simplifies PCB layout.
- ESD Protection: Compliant with HBM ANSI/ESDA/JEDEC JS-001 class 2 (exceeds 2000 V) and CDM ANSI/ESDA/JEDEC JS-002 class C3 (exceeds 1000 V).
Applications
The 74LVC573APW/AUJ is versatile and can be used in a variety of applications across different industries, including:
- Automotive Systems: For data storage and transmission in automotive electronics.
- Industrial Control Systems: In control circuits and data processing units.
- Consumer Electronics: In devices such as smartphones, tablets, and other portable electronics.
- Computing and Networking: For data latching and buffering in computer peripherals and network devices.
- Power Management Systems: To manage and control power states in various electronic systems.
Q & A
- What is the primary function of the 74LVC573APW/AUJ?
The primary function is to act as an 8-bit D-type transparent latch with 3-state outputs.
- What are the key control inputs for this device?
The key control inputs are the latch enable (LE) and output enable (OE) inputs.
- What is the supply voltage range for this device?
The device operates within a supply voltage range of 1.2 to 3.6 V.
- Is the device compatible with both 3.3 V and 5 V logic levels?
Yes, it is compatible with both 3.3 V and 5 V logic levels, making it suitable for mixed-voltage environments.
- What type of package is the 74LVC573APW/AUJ available in?
The device is available in a TSSOP20 (SOT360-1) package.
- What is the significance of Schmitt-trigger action in this device?
Schmitt-trigger action at the inputs reduces noise sensitivity and makes the circuit more robust against slower input rise and fall times.
- Does the device have any power-down features?
Yes, it features IOFF circuitry that provides partial power-down mode operation, preventing backflow current when the device is powered down.
- What are the ESD protection specifications for this device?
The device complies with HBM ANSI/ESDA/JEDEC JS-001 class 2 (exceeds 2000 V) and CDM ANSI/ESDA/JEDEC JS-002 class C3 (exceeds 1000 V).
- What is the operating temperature range for the 74LVC573APW/AUJ?
The device operates from -40 °C to +125 °C.
- What industries can this device be applied to?
The device can be applied in automotive, industrial, consumer electronics, computing, and power management systems.
