Overview
The 74HCT573PW-Q100,11 from Nexperia USA Inc. is an 8-bit D-type transparent latch with 3-state outputs. This device is designed to meet the stringent requirements of automotive and industrial applications, having been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1). It operates within a temperature range of -40 °C to +125 °C, making it suitable for a wide range of environments.
The latch features latch enable (LE) and output enable (OE) inputs. When LE is HIGH, the latches are transparent, allowing the latch outputs to change with the corresponding D-inputs. When LE is LOW, the latches store the information present at the inputs a set-up time preceding the HIGH-to-LOW transition of LE. A HIGH on OE causes the outputs to assume a high-impedance OFF-state without affecting the state of the latches.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HCT573PW-Q100 | 4.5 - 5.5 | TTL | ± 6 | 17 | 8 | low | -40 ~ +125 | 100 | 4.6 | 44.9 | TSSOP20 |
Key Features
- 8-bit D-type transparent latch with 3-state outputs
- Latch enable (LE) and output enable (OE) inputs
- Inputs include clamp diodes for interfacing with voltages in excess of VCC
- Inputs and outputs on opposite sides of the package for easy interface with microprocessors
- Useful as input or output port for microprocessors and microcomputers
- 3-state non-inverting outputs for bus-oriented applications
- Common 3-state output enable input
- Multiple package options
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- Complies with JEDEC standards for ESD protection: 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 74HCT573PW-Q100,11 is suitable for a variety of applications across different industries, including:
- Automotive applications, qualified to AEC-Q100 (Grade 1)
- Industrial applications requiring robust and reliable logic components
- Microprocessor and microcomputer systems as input or output ports
- Bus-oriented applications due to its 3-state non-inverting outputs
- Consumer electronics and mobile devices where low power consumption and high reliability are critical
Q & A
- What is the primary function of the 74HCT573PW-Q100,11?
The primary function is to act as an 8-bit D-type transparent latch with 3-state outputs.
- What are the logic switching levels for this device?
The logic switching levels are TTL (Transistor-Transistor Logic).
- What is the temperature range for this device?
The device operates within a temperature range of -40 °C to +125 °C.
- What is the purpose of the latch enable (LE) and output enable (OE) inputs?
The LE input controls when data enters the latches, and the OE input controls the output state, setting it to high-impedance when HIGH.
- Is this device suitable for automotive applications?
- What type of ESD protection does this device offer?
- What package options are available for this device?
- How does the device handle latch-up performance?
- Can this device be used in bus-oriented applications?
- What is the output drive capability of this device?
- What is the maximum propagation delay (tpd) for this device?
