Overview
The 74HCT273DB,118 is an octal D-type flip-flop with reset, produced by NXP USA Inc. This integrated circuit is part of the 74HCT family and is characterized by its positive-edge trigger and master reset functionality. The device is designed to operate within a wide supply voltage range, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Supply Voltage (VCC) | 4.5 - 5.5 | V | |
| Operating Temperature | -40 to 125 | °C | |
| Package Type | 20-SSOP (0.209", 5.30mm Width) | ||
| Number of Bits per Element | 8 | ||
| Trigger Type | Positive Edge | ||
| Propagation Delay (CP to Qn) | 16 - 30 ns | ns | VCC = 4.5 V, CL = 50 pF |
| Propagation Delay (MR to Qn) | 23 - 34 ns | ns | VCC = 4.5 V, CL = 50 pF |
| Input Capacitance | 3.5 pF | pF | |
| Clock Frequency | 36 MHz | MHz | |
| Output Type | Non-Inverted | ||
| Quiescent Current | 8 µA | µA | |
| Output High/Low Current | 4 mA / 5.2 mA | mA |
Key Features
- Wide Supply Voltage Range: Operates from 4.5 V to 5.5 V, making it suitable for a variety of applications.
- Positive-Edge Trigger: The outputs Qn assume the state of their corresponding Dn inputs on the LOW-to-HIGH clock (CP) transition.
- Master Reset: A LOW on the master reset (MR) input forces the outputs LOW, independent of clock and data inputs.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- High Noise Immunity: Enhanced noise immunity due to the CMOS design.
- Latch-Up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
- Compliance with JEDEC Standards: Meets JESD8C (2.7 V to 3.6 V) standards.
- Input Clamp Diodes: Allows the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Applications
- Digital Circuits: Suitable for use in various digital circuits requiring flip-flop functionality.
- Sequential Logic Designs: Ideal for applications involving sequential logic, such as counters, shift registers, and memory elements.
- Embedded Systems: Can be used in embedded systems that require low power and high reliability.
- Automotive and Industrial Control Systems: Applicable in automotive and industrial control systems due to its wide operating temperature range and robust design.
Q & A
- What is the primary function of the 74HCT273DB,118?
The primary function is to act as an octal D-type flip-flop with a positive-edge trigger and master reset.
- What is the supply voltage range for the 74HCT273DB,118?
The supply voltage range is from 4.5 V to 5.5 V.
- What type of trigger does the 74HCT273DB,118 use?
The device uses a positive-edge trigger.
- How does the master reset input affect the outputs?
A LOW on the master reset input forces the outputs LOW, independent of clock and data inputs.
- What is the typical propagation delay for the 74HCT273DB,118?
The typical propagation delay from CP to Qn is 16 - 30 ns at VCC = 4.5 V and CL = 50 pF.
- What is the input capacitance of the 74HCT273DB,118?
The input capacitance is approximately 3.5 pF.
- What is the maximum clock frequency for the 74HCT273DB,118?
The maximum clock frequency is 36 MHz.
- Is the 74HCT273DB,118 compliant with any specific standards?
Yes, it complies with JEDEC standards: JESD8C (2.7 V to 3.6 V).
- What is the operating temperature range for the 74HCT273DB,118?
The operating temperature range is from -40°C to 125°C.
- What type of package does the 74HCT273DB,118 come in?
The device comes in a 20-SSOP (0.209", 5.30mm Width) package.
