Overview
The SN74HCS72PWR, produced by Texas Instruments, is a dual D-type negative-edge-triggered flip-flop with clear and preset functions. This device is part of the 74HC series, known for its high-speed and low-power consumption. It features Schmitt-trigger inputs, which provide noise immunity and allow for slow or noisy input signals. The device is available in a 14-pin TSSOP package, making it suitable for a variety of applications where compact design is crucial.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC (Supply Voltage) | 2 | - | 6 | V |
| fmax (Maximum Switching Frequency) | 20 | - | 105 | MHz |
| tpd (Propagation Delay) | 7 | - | 42 | ns |
| tt (Transition Time) | 4 | - | 16 | ns |
| VOH (High-Level Output Voltage) | VCC - 0.1 | - | VCC - 0.002 | V |
| VOL (Low-Level Output Voltage) | 0.002 | - | 0.33 | V |
| II (Input Leakage Current) | - | - | ±1000 | nA |
| ICC (Supply Current) | - | - | 2 | µA |
| Ci (Input Capacitance) | - | - | 5 | pF |
| Cpd (Power Dissipation Capacitance per Gate) | - | - | 10 | pF |
Key Features
- Dual D-type negative-edge-triggered flip-flops with clear and preset functions.
- Schmitt-trigger inputs for noise immunity and tolerance to slow or noisy input signals.
- Low power consumption, suitable for battery-powered and low-power applications.
- High-speed operation with maximum switching frequencies up to 105 MHz.
- Complementary outputs (Q and Q) for active-high or active-low enables.
- Available in 14-pin TSSOP package.
Applications
The SN74HCS72PWR is ideal for various applications requiring low power consumption and noise immunity. One of its key applications is in CAN (Controller Area Network) systems, particularly in automotive electronics where it can convert a CAN wake-up request into a power supply enable signal. It is also suitable for other digital logic circuits, power management systems, and any application requiring reliable and high-speed flip-flop operations.
Q & A
- What is the SN74HCS72PWR? The SN74HCS72PWR is a dual D-type negative-edge-triggered flip-flop with clear and preset functions, produced by Texas Instruments.
- What are the key features of the SN74HCS72PWR? It includes Schmitt-trigger inputs, low power consumption, high-speed operation, and complementary outputs.
- What are the typical applications of the SN74HCS72PWR? It is commonly used in CAN systems, automotive electronics, and other digital logic circuits requiring low power and high-speed operations.
- What is the maximum switching frequency of the SN74HCS72PWR? The maximum switching frequency is up to 105 MHz.
- What is the propagation delay of the SN74HCS72PWR? The propagation delay ranges from 7 to 42 ns.
- What type of inputs does the SN74HCS72PWR have? The device features Schmitt-trigger inputs for improved noise immunity.
- What is the supply voltage range for the SN74HCS72PWR? The supply voltage range is from 2 V to 6 V.
- What package types are available for the SN74HCS72PWR? It is available in a 14-pin TSSOP package.
- How does the SN74HCS72PWR handle noise in input signals? The Schmitt-trigger inputs provide noise immunity and tolerance to slow or noisy input signals.
- What are the considerations for output load in the SN74HCS72PWR? The load needs to be considered in terms of capacitance and current to ensure the device can drive it effectively.
