Overview
The M74HC4078B1R is a high-speed CMOS 8-input NOR/OR gate manufactured by STMicroelectronics. This device is fabricated using silicon gate C2MOS technology, ensuring low power consumption and high noise immunity. It is designed to be pin and function compatible with the 74 series 4078, making it a versatile component for various digital logic applications. The M74HC4078B1R features protection circuits against static discharge and transient excess voltage, enhancing its reliability in diverse operating conditions.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Supply Voltage (VCC) | 2 to 6 | V | |
| Input Voltage (VI) | 0 to VCC | V | |
| Output Voltage (VO) | 0 to VCC | V | |
| Propagation Delay Time (tPLH, tPHL) | 10 to 25 ns | ns | VCC = 2.0V to 6.0V |
| Output Transition Time (tTLH, tTHL) | 7 to 19 ns | ns | VCC = 2.0V to 6.0V |
| Input Capacitance (CIN) | 5 pF | pF | |
| Power Dissipation Capacitance (CPD) | 37 pF | pF | |
| Quiescent Supply Current (ICC) | 1 to 20 µA | µA | VI = VCC or GND |
| Operating Temperature Range | -55 to 125 °C | °C | |
| Storage Temperature Range | -65 to 150 °C | °C |
Key Features
- High speed with a propagation delay time of 10 to 25 ns.
- Low power dissipation with a quiescent supply current of 1 to 20 µA.
- High noise immunity with VNIH and VNIL at 28% of VCC (min).
- Symmetrical output impedance with |IOH| = IOL = 4mA (min).
- Wide operating voltage range from 2V to 6V.
- Protection circuits against static discharge and transient excess voltage.
- Pin and function compatible with the 74 series 4078.
Applications
- Digital logic circuits requiring high-speed and low-power operations.
- Microprocessor and microcontroller systems.
- Communication and networking equipment.
- Automotive and industrial control systems.
- Consumer electronics and embedded systems.
Q & A
- What is the M74HC4078B1R?
The M74HC4078B1R is a high-speed CMOS 8-input NOR/OR gate manufactured by STMicroelectronics.
- What is the operating voltage range of the M74HC4078B1R?
The operating voltage range is from 2V to 6V.
- What is the propagation delay time of the M74HC4078B1R?
The propagation delay time ranges from 10 to 25 ns depending on the supply voltage.
- Does the M74HC4078B1R have protection against static discharge?
- What are the typical applications of the M74HC4078B1R?
- What is the quiescent supply current of the M74HC4078B1R?
The quiescent supply current ranges from 1 to 20 µA.
- Is the M74HC4078B1R pin and function compatible with other logic gates?
- What is the input capacitance of the M74HC4078B1R?
The input capacitance is 5 pF.
- What is the operating temperature range of the M74HC4078B1R?
- What is the storage temperature range of the M74HC4078B1R?
