Overview
The CD74HC374M is a high-speed CMOS logic octal D-type flip-flop with 3-state outputs, manufactured by Texas Instruments. This integrated circuit is designed for use in a variety of digital logic applications, offering features such as buffered inputs, common three-state output enable control, and the capability to drive bus lines. The device operates over a wide temperature range of –55°C to 125°C, making it suitable for diverse environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (DW) | - |
| Pins | 20 | - |
| Operating Temperature Range | –55 to 125 | °C |
| Supply Voltage (VCC) | 2 to 6 | V |
| Typical Propagation Delay (Clock to Q) | 15 ns at VCC = 5 V, CL = 15 pF, TA = 25°C | ns |
| Fanout (over temperature range) | Standard outputs: 10 LSTTL loads, Bus driver outputs: 15 LSTTL loads | - |
| Maximum Clock Frequency | Up to 35 MHz at VCC = 6 V | MHz |
| Input Leakage Current | ±1 μA at VIL or VIH | μA |
| Quiescent Device Current | Up to 160 μA at VCC = 5.5 V | μA |
Key Features
- Buffered inputs
- Common three-state output enable control
- Three-state outputs
- Bus line driving capability
- Wide operating temperature range: –55°C to 125°C
- Balanced propagation delay and transition times
- Significant power reduction compared to LSTTL Logic ICs
- HC types: 2-V to 6-V operation, high noise immunity
- HCT types: 4.5-V to 5.5-V operation, direct LSTTL input logic compatibility
- CMOS input compatibility, low input leakage current (≤ 1 μA)
Applications
The CD74HC374M is suitable for various digital logic applications, including:
- Memory and data storage systems
- Sequential logic circuits
- Bus-oriented systems requiring three-state outputs
- Industrial control systems
- Aerospace and automotive electronics where wide temperature range is necessary
Q & A
- What is the CD74HC374M?
The CD74HC374M is a high-speed CMOS logic octal D-type flip-flop with 3-state outputs, manufactured by Texas Instruments.
- What is the operating temperature range of the CD74HC374M?
The operating temperature range is –55°C to 125°C.
- What is the typical propagation delay of the CD74HC374M?
The typical propagation delay is 15 ns at VCC = 5 V, CL = 15 pF, TA = 25°C.
- What is the maximum clock frequency of the CD74HC374M?
The maximum clock frequency is up to 35 MHz at VCC = 6 V.
- What are the key features of the CD74HC374M?
Key features include buffered inputs, common three-state output enable control, three-state outputs, bus line driving capability, and a wide operating temperature range.
- What types of applications is the CD74HC374M suitable for?
The CD74HC374M is suitable for memory and data storage systems, sequential logic circuits, bus-oriented systems, industrial control systems, and aerospace and automotive electronics.
- What is the package type of the CD74HC374M?
The package type is SOIC (DW) with 20 pins.
- What is the supply voltage range for the CD74HC374M?
The supply voltage range is 2 to 6 volts.
- Does the CD74HC374M have high noise immunity?
Yes, the CD74HC374M has high noise immunity with NIL = 30%, NIH = 30% of VCC at VCC = 5 V.
- What is the input leakage current of the CD74HC374M?
The input leakage current is ±1 μA at VIL or VIH.
