Overview
The MC74HCT573ADWR2G, produced by onsemi, is an Octal 3-State Noninverting Transparent Latch. This device is part of the 74HCT series, which is compatible with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels. It is designed to interface TTL or NMOS outputs to High-Speed CMOS inputs, making it versatile for various digital circuit applications.
The MC74HCT573A is identical in pinout to the LS573 and offers features such as output drive capability for up to 15 LSTTL loads, low input current, and high noise immunity characteristic of CMOS devices. It is also compliant with JEDEC Standard No. 7A and is AEC-Q100 qualified, making it suitable for automotive and other demanding applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 4.5 to 5.5 | V |
| DC Input Voltage (VIN) | 0 to VCC | V |
| DC Output Voltage (VOUT) | 0 to VCC | V |
| Operating Free-Air Temperature | -55 to +125 | °C |
| Input Rise and Fall Time | 500 ns | ns |
| Maximum Propagation Delay, D to Q | 30 to 45 ns | ns |
| Maximum Propagation Delay, Latch Enable to Q | 30 to 45 ns | ns |
| Maximum Output Transition Time | 12 to 18 ns | ns |
| Maximum Input Capacitance | 10 pF | pF |
| Maximum Three-State Output Capacitance | 15 pF | pF |
Key Features
- Output Drive Capability: Up to 15 LSTTL loads
- Outputs directly interface to CMOS, NMOS, and TTL
- Low Input Current: 1 μA
- High Noise Immunity Characteristic of CMOS Devices
- In Compliance with JEDEC Standard No. 7A
- AEC-Q100 Qualified and PPAP Capable
- Pb-Free, Halogen Free/BFR Free and RoHS Compliant
Applications
The MC74HCT573ADWR2G is suitable for a variety of applications, including:
- Automotive systems requiring high reliability and compliance with automotive standards
- Digital logic circuits where level conversion between TTL and CMOS is necessary
- High-speed data processing systems where low propagation delays are critical
- Industrial control systems that require robust and noise-immune components
Q & A
- What is the operating voltage range of the MC74HCT573ADWR2G?
The operating voltage range is from 4.5 to 5.5 volts.
- What is the maximum propagation delay from D to Q?
The maximum propagation delay from D to Q is between 30 to 45 nanoseconds.
- Can the MC74HCT573ADWR2G be used in automotive applications?
- What is the maximum input rise and fall time?
The maximum input rise and fall time is 500 nanoseconds.
- Is the MC74HCT573ADWR2G RoHS compliant?
- What is the maximum output transition time?
The maximum output transition time is between 12 to 18 nanoseconds.
- Can the MC74HCT573ADWR2G interface with TTL and CMOS logic levels?
- What is the maximum input capacitance?
The maximum input capacitance is 10 picofarads.
- What is the minimum setup time for the latch enable?
The minimum setup time for the latch enable is between 10 to 15 nanoseconds.
- What is the maximum three-state output capacitance?
The maximum three-state output capacitance is 15 picofarads.
