Overview
The 74LVC1G74DC/C4H, produced by Nexperia USA Inc., is a single positive edge triggered D-type flip-flop with set and reset inputs. This device features individual data (D), clock (CP), set (SD), and reset (RD) inputs, along with complementary Q and Q outputs. It is designed to operate over a wide supply voltage range from 1.65 V to 5.5 V, making it versatile for various applications. The device is fully specified for partial power-down applications using IOFF circuitry, which prevents damaging backflow current when the device is powered down.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | fmax (MHz) | Power Dissipation Considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package Name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC1G74DC | 1.65 - 5.5 | CMOS/LVTTL | ± 32 | 3.5 | 280 | Low | -40 to 125 | 206 | 36.4 | 117 | VSSOP8 |
Key Features
- Wide Supply Voltage Range: Operates from 1.65 V to 5.5 V, making it suitable for a variety of applications.
- 5 V Tolerant Inputs: Allows for interfacing with 5 V logic devices, enabling use in mixed 3.3 V and 5 V environments.
- High Noise Immunity: Schmitt trigger action at all inputs enhances tolerance to slower input rise and fall times.
- Partial Power-Down Capability: IOFF circuitry disables the output to prevent backflow current when the device is powered down.
- Asynchronous Set and Reset: Set and reset inputs operate independently of the clock input.
Applications
The 74LVC1G74DC/C4H is versatile and can be used in a wide range of applications, including:
- Automotive Systems: Due to its robustness and wide operating temperature range (-40°C to 125°C).
- Industrial Control Systems: For reliable and efficient logic operations in industrial environments.
- Consumer Electronics: Suitable for use in mobile, computing, and other consumer electronic devices.
- Mixed Voltage Environments: Acts as a translator in mixed 3.3 V and 5 V environments.
Q & A
- What is the supply voltage range of the 74LVC1G74DC/C4H?
The supply voltage range is from 1.65 V to 5.5 V.
- What are the logic switching levels of this device?
The logic switching levels are CMOS/LVTTL.
- What is the output drive capability of the 74LVC1G74DC/C4H?
The output drive capability is ± 32 mA.
- What is the maximum propagation delay from CP to Q?
The maximum propagation delay from CP to Q is 3.5 ns for VCC = 1.65 V to 5.5 V.
- Is the 74LVC1G74DC/C4H suitable for partial power-down applications?
Yes, it is fully specified for partial power-down applications using IOFF circuitry.
- What is the operating temperature range of the device?
The operating temperature range is -40°C to 125°C.
- What package types are available for the 74LVC1G74DC/C4H?
Available packages include VSSOP8, TSSOP8, and XSON8.
- Is the 74LVC1G74DC/C4H RoHS compliant?
Yes, the device is RoHS compliant.
- What are the asynchronous inputs of the 74LVC1G74DC/C4H?
The set (SD) and reset (RD) inputs are asynchronous and operate independently of the clock input.
- How does the Schmitt trigger action benefit the device?
The Schmitt trigger action at all inputs makes the circuit highly tolerant of slower input rise and fall times, enhancing noise immunity.
