Overview
The 74HC374D is an octal D-type flip-flop integrated circuit produced by Toshiba Semiconductor and Storage. This device is part of the 74HC series, known for its high-speed CMOS logic. It features positive edge-triggered flip-flops with 3-state outputs, making it suitable for a variety of digital logic applications. The chip includes a clock input (CP) and an output enable input (OE), allowing for flexible control over data storage and output states.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| VCC | 2.0 V to 6.0 V | Supply voltage range |
| Logic Switching Levels | CMOS | Input logic levels for 74HC374D |
| Output Drive Capability | ± 7.8 mA | Maximum output current |
| tpd | 14 ns | Propagation delay time |
| fmax | 83 MHz | Maximum clock frequency |
| Operating Temperature | -40 °C to +125 °C | Temperature range for operation |
| Package | SO20 (SOT163-1) | Package type and dimensions |
| ESD Protection | HBM: >2000 V, CDM: >1000 V | Electrostatic discharge protection levels |
Key Features
- Positive Edge-Triggered D-Type Flip-Flops: The device stores the state of its individual D-inputs on the LOW-to-HIGH clock transition.
- 3-State Outputs: Outputs can be set to a high-impedance OFF-state using the output enable (OE) input.
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V.
- CMOS Low Power Dissipation: Low power consumption.
- High Noise Immunity: Robust against noise.
- Octal Bus Interface: Suitable for 8-bit data bus applications.
- Independent Register and 3-State Buffer Operation: Allows for separate control of register and output states.
- Compliance with JEDEC Standards: Meets JESD8C and JESD7A standards.
- Latch-Up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
Applications
- Digital Logic Circuits: Ideal for use in digital logic circuits requiring data storage and retrieval.
- Microprocessor and Microcontroller Systems: Suitable for use in systems requiring 8-bit data bus interfaces.
- Communication Systems: Can be used in communication systems for data buffering and storage.
- Industrial Control Systems: Useful in industrial control systems for data processing and storage.
- Consumer Electronics: Applicable in various consumer electronic devices requiring digital logic functions.
Q & A
- What is the supply voltage range of the 74HC374D?
The supply voltage range is from 2.0 V to 6.0 V.
- What type of logic levels does the 74HC374D support?
The 74HC374D supports CMOS logic levels.
- What is the maximum clock frequency of the 74HC374D?
The maximum clock frequency is 83 MHz.
- What is the propagation delay time of the 74HC374D?
The propagation delay time is 14 ns.
- What is the package type of the 74HC374D?
The package type is SO20 (SOT163-1).
- Does the 74HC374D have ESD protection?
Yes, it has ESD protection with HBM >2000 V and CDM >1000 V.
- What is the operating temperature range of the 74HC374D?
The operating temperature range is from -40 °C to +125 °C.
- Can the outputs of the 74HC374D be set to a high-impedance state?
Yes, the outputs can be set to a high-impedance state using the output enable (OE) input.
- Is the 74HC374D compliant with JEDEC standards?
Yes, it complies with JESD8C and JESD7A standards.
- What is the latch-up performance of the 74HC374D?
The latch-up performance exceeds 100 mA per JESD 78 Class II Level B).
