Overview
The 74HCT08D/C4118 is a high-speed CMOS integrated circuit produced by NXP USA Inc. It is a quad 2-input AND gate, fabricated using silicon gate C2MOS technology. This device is designed to provide high-speed operation similar to LSTTL while maintaining the low power dissipation characteristic of CMOS technology. It is particularly useful for interfacing TTL or NMOS circuits with high-speed CMOS circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | NXP USA Inc. | |
| Part Number | 74HCT08D/C4118 | |
| Logic Type | AND Gate | |
| Number of Circuits | 4 | |
| Number of Inputs | 2 per gate | |
| Supply Voltage Range | 4.5V to 5.5V | V |
| Quiescent Current (Max) | 2 µA | µA |
| Output Current High/Low | 4mA / 4mA | mA |
| Input Logic Level - Low | 0.8V | V |
| Input Logic Level - High | 2V | V |
| Max Propagation Delay @ V, Max CL | 24ns @ 4.5V, 50pF | ns |
| Operating Temperature Range | -40°C to 125°C | °C |
| Mounting Type | Surface Mount | |
| Package / Case | 14-SOIC (0.154" | 3.90mm Width) |
Key Features
- High speed: propagation delay of 10 ns (typ.) at VCC = 5 V
- Low power dissipation: ICC = 1.0 µA (max) at Ta = 25°C
- Compatible with TTL outputs: VIH = 2.0 V (min), VIL = 0.8 V (max)
- Wide interfacing ability: compatible with LSTTL, NMOS, and CMOS output voltage levels
- Balanced propagation delays: tPLH ≈ tPHL
- High noise immunity and stable output due to internal buffer stages
- Input protection circuits against static discharge or transient excess voltage
- ESD protection: HBM JESD22-A114F exceeds 2000 V, MM JESD22-A115-A exceeds 200 V
Applications
The 74HCT08D/C4118 is versatile and can be used in a variety of digital logic applications, including:
- Interfacing TTL or NMOS circuits with high-speed CMOS circuits
- General-purpose logic circuits requiring high speed and low power consumption
- Digital signal processing and control systems
- Automated systems and industrial control circuits
Q & A
- What is the primary function of the 74HCT08D/C4118 IC?
The primary function of the 74HCT08D/C4118 IC is to act as a quad 2-input AND gate, providing four independent AND logic functions.
- What is the supply voltage range for the 74HCT08D/C4118?
The supply voltage range for the 74HCT08D/C4118 is from 4.5V to 5.5V.
- What is the maximum propagation delay for the 74HCT08D/C4118?
The maximum propagation delay for the 74HCT08D/C4118 is approximately 24ns at VCC = 4.5V and CL = 50pF.
- Is the 74HCT08D/C4118 compatible with TTL outputs?
Yes, the 74HCT08D/C4118 is compatible with TTL outputs, with input logic levels of VIH = 2.0V (min) and VIL = 0.8V (max).
- What is the operating temperature range for the 74HCT08D/C4118?
The operating temperature range for the 74HCT08D/C4118 is from -40°C to 125°C.
- What type of package does the 74HCT08D/C4118 come in?
The 74HCT08D/C4118 comes in a 14-SOIC (Small Outline Integrated Circuit) package.
- Does the 74HCT08D/C4118 have ESD protection?
Yes, the 74HCT08D/C4118 has ESD protection, with HBM JESD22-A114F exceeding 2000 V and MM JESD22-A115-A exceeding 200 V.
- What are the key features of the 74HCT08D/C4118 in terms of noise immunity and stability?
The 74HCT08D/C4118 features high noise immunity and stable output due to its internal buffer stages and input protection circuits against static discharge or transient excess voltage.
- Can the 74HCT08D/C4118 be used in automated systems and industrial control circuits?
Yes, the 74HCT08D/C4118 can be used in automated systems and industrial control circuits due to its reliability and performance characteristics.
- What is the quiescent current of the 74HCT08D/C4118?
The quiescent current of the 74HCT08D/C4118 is 2 µA (max).
