Overview
The 74LVC573APW-Q100118 is an 8-bit D-type transparent latch produced by NXP USA Inc. This integrated circuit is designed to operate in a wide range of applications, particularly in mixed 3.3 V and 5 V environments. It features latch enable (LE) and output enable (OE) inputs, making it versatile for various digital logic circuits. The device is part of the LVC (Low Voltage CMOS) family, known for its low power consumption and high performance.
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
- Octal D-type transparent latch: Allows data to be latched and stored based on the latch enable (LE) input.
- 3-state outputs: Outputs can be set to high-impedance state using the output enable (OE) input.
- 5 V tolerant inputs/outputs: Compatible with both 3.3 V and 5 V devices, making it suitable for mixed voltage environments.
- Schmitt-trigger action: Tolerant of slower input rise and fall times.
- Low power consumption: CMOS technology ensures low power usage.
- IOFF circuitry: Provides partial power-down mode operation to prevent backflow current when the device is powered down.
- High-impedance when VCC = 0 V: Ensures safe operation during power-down states.
- Flow-through pinout architecture: Simplifies PCB layout.
- ESD protection: Compliant with HBM and CDM standards, exceeding 2000 V and 1000 V respectively.
Applications
The 74LVC573APW-Q100118 is suitable for a variety of applications, including:
- Digital logic circuits: Ideal for use in complex digital systems where data needs to be latched and stored.
- Mixed voltage environments: Can be used to interface between 3.3 V and 5 V systems.
- Automotive and industrial systems: Meets the AEC-Q100 standard, making it reliable for automotive and industrial applications.
- Consumer electronics: Used in various consumer electronic devices requiring low power and high performance.
Q & A
- What is the primary function of the 74LVC573APW-Q100118?
The primary function is to act as an 8-bit D-type transparent latch with 3-state outputs. - What is the voltage range for the VCC of this device?
The voltage range for VCC is from 1.2 V to 3.6 V. - What is the significance of the latch enable (LE) and output enable (OE) inputs?
The LE input controls when data is latched, and the OE input controls the output state, setting it to high-impedance if needed. - Is the 74LVC573APW-Q100118 compatible with both 3.3 V and 5 V systems?
Yes, it is compatible with both 3.3 V and 5 V systems, making it suitable for mixed voltage environments. - 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. - What is the operating temperature range for this device?
The operating temperature range is from -40 °C to +125 °C. - Does the device have ESD protection?
Yes, it has ESD protection compliant with HBM and CDM standards. - What package type is the 74LVC573APW-Q100118 available in?
The device is available in a TSSOP20 package. - Is the 74LVC573APW-Q100118 suitable for automotive applications?
Yes, it meets the AEC-Q100 standard, making it suitable for automotive applications. - What is the significance of Schmitt-trigger action in this device?
Schmitt-trigger action makes the circuit tolerant of slower input rise and fall times.
