Overview
The 74HC273D is a high-speed CMOS octal D-type flip-flop manufactured by Toshiba Semiconductor and Storage. This integrated circuit is fabricated using silicon gate C2MOS technology, enabling high-speed operation. The device features eight positive-edge triggered D-type flip-flops, a common clock, and a master reset input. It is designed to operate within a wide supply voltage range from 2.0 V to 6.0 V, making it versatile for various applications. The 74HC273D is packaged in a 20-pin SOIC (Small Outline Integrated Circuit) package, which is surface mountable and RoHS compliant.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Toshiba Semiconductor and Storage |
| Category | Integrated Circuits (ICs) - Logic - Flip Flops |
| Package | 20-SOIC (0.295", 7.50mm Width) |
| Function | Master Reset |
| Type | D-Type |
| Output Type | Non-Inverted |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Clock Frequency | 66 MHz (typical), 122 MHz (max) |
| Max Propagation Delay @ V, Max CL | 25 ns @ 6 V, 50 pF |
| Trigger Type | Positive Edge |
| Current - Output High, Low | 5.2 mA, 5.2 mA |
| Voltage - Supply | 2 V ~ 6 V |
| Current - Quiescent (Iq) | 4 µA |
| Input Capacitance | 3 pF |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
Key Features
- High-Speed Operation: The 74HC273D operates at high speeds, with a maximum clock frequency of 122 MHz.
- Wide Supply Voltage Range: It can operate within a supply voltage range of 2.0 V to 6.0 V, making it suitable for a variety of applications.
- Low Power Dissipation: The device features CMOS low power dissipation, reducing energy consumption.
- High Noise Immunity: It has high noise immunity and latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
- ESD Protection: The 74HC273D includes ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V.
- Common Clock and Master Reset: The device has a common clock and master reset input, simplifying control and synchronization.
Applications
The 74HC273D is suitable for a wide range of digital logic applications, including:
- Sequential Logic Circuits: It is ideal for implementing sequential logic circuits due to its D-type flip-flop functionality.
- Memory and Storage Systems: The device can be used in memory and storage systems where data needs to be stored and retrieved sequentially.
- Counters and Timers: Its high-speed operation and positive-edge triggering make it suitable for counters and timers in various electronic systems.
- Communication Systems: The 74HC273D can be used in communication systems for data synchronization and storage.
Q & A
- What is the primary function of the 74HC273D?
The primary function of the 74HC273D is to act as an octal D-type flip-flop with a common clock and master reset input.
- What is the supply voltage range of the 74HC273D?
The supply voltage range of the 74HC273D is from 2.0 V to 6.0 V.
- What is the maximum clock frequency of the 74HC273D?
The maximum clock frequency of the 74HC273D is 122 MHz.
- What type of triggering does the 74HC273D use?
The 74HC273D uses positive-edge triggering.
- What is the quiescent current of the 74HC273D?
The quiescent current of the 74HC273D is 4 µA.
- What is the operating temperature range of the 74HC273D?
The operating temperature range of the 74HC273D is -40°C to 125°C.
- Does the 74HC273D have ESD protection?
Yes, the 74HC273D includes ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V.
- What package type is the 74HC273D available in?
The 74HC273D is available in a 20-pin SOIC package.
- Is the 74HC273D RoHS compliant?
Yes, the 74HC273D is RoHS compliant.
- What are some common applications of the 74HC273D?
The 74HC273D is commonly used in sequential logic circuits, memory and storage systems, counters, timers, and communication systems.
