Overview
The 74HC74DB,112, produced by Nexperia USA Inc., is a dual positive edge-triggered D-type flip-flop. This component is part of the 74HC and 74HCT logic families, known for their low power consumption and high noise immunity. The 74HC74DB features individual data, clock, set, and reset inputs, along with complementary outputs. It is designed to operate within a wide supply voltage range, making it versatile for various electronic designs.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|---|---|
| 74HC74DB | 2.0 - 6.0 | CMOS | ± 5.2 | 14 | 82 | Low | -40 to +125 | SSOP14 (SOT337-1) |
Key Features
- Wide supply voltage range: From 2.0 to 6.0 V.
- Low power dissipation: CMOS technology for reduced power consumption.
- High noise immunity: Enhanced robustness against noise.
- Symmetrical output impedance: Balanced propagation delays.
- Latch-up performance: Exceeds 100 mA per JESD 78 Class II Level B.
- ESD protection: HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V; CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V.
- Multiple package options: Available in various packages including SSOP14.
- Operating temperature range: Specified from -40 °C to +125 °C.
Applications
The 74HC74DB is suitable for a wide range of applications, including:
- Embedded systems: For I/O expansion and logic functions.
- Audio equipment: For buffering clock, sync, and data signals in high-end audio interfaces and docking stations.
- Automotive industry: Meets stringent automotive standards for reliability and performance.
- General logic circuits: For multiplexing, buffering, and level-translation functions.
Q & A
- What is the supply voltage range of the 74HC74DB?
The supply voltage range is from 2.0 to 6.0 V.
- What type of logic switching levels does the 74HC74DB use?
The 74HC74DB uses CMOS logic switching levels.
- What is the output drive capability of the 74HC74DB?
The output drive capability is ± 5.2 mA.
- What is the maximum propagation delay of the 74HC74DB?
The maximum propagation delay is 14 ns.
- What is the maximum operating frequency of the 74HC74DB?
The maximum operating frequency is 82 MHz.
- Does the 74HC74DB have ESD protection?
Yes, it has ESD protection: HBM exceeds 2000 V and CDM exceeds 1000 V.
- What are the operating temperature ranges for the 74HC74DB?
The operating temperature range is from -40 °C to +125 °C.
- What package options are available for the 74HC74DB?
It is available in SSOP14 (SOT337-1) package.
- Is the 74HC74DB compliant with any industry standards?
Yes, it complies with JEDEC standards JESD8C and JESD7A.
- What is the status of the 74HC74DB,112 part number?
The 74HC74DB,112 is listed as obsolete.
