Overview
The MC74HC1G08 is a high-speed CMOS 2-input AND gate fabricated with silicon gate CMOS technology. It is designed for general usage and is suitable for a wide range of applications. The internal circuit of the MC74HC1G08 includes multiple stages, featuring a buffer output that provides high noise immunity and stable output. The device is part of the MC74HC series but has an output drive current that is half that of the standard MC74HC series.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC (DC Supply Voltage) | 2.0 | 6.0 | V | |
| VIN (DC Input Voltage) | −0.5 | VCC + 0.5 | V | |
| VOUT (DC Output Voltage) | −0.5 | VCC + 0.5 | V | |
| IIK (DC Input Diode Current) | −20 | mA | ||
| IOK (DC Output Diode Current) | −20 | mA | ||
| IOUT (DC Output Source/Sink Current) | ±12.5 | mA | ||
| ICC (DC Supply Current per Supply Pin) | 25 | mA | ||
| TSTG (Storage Temperature Range) | −65 | 150 | °C | |
| TL (Lead Temperature, 1 mm from Case for 10 Seconds) | 260 | °C | ||
| TJ (Junction Temperature Under Bias) | 150 | °C | ||
| tPLH, tPHL (Propagation Delay) | 7 | 15 | ns (at VCC = 5.0 V, CL = 15 pF) | |
| tTLH, tTHL (Output Transition Time) | 3 | 20 | ns (at VCC = 5.0 V, CL = 15 pF) | |
| CIN (Input Capacitance) | 5 | 10 | pF |
Key Features
- High Speed: Propagation delay of 7 ns (typical) at VCC = 5 V.
- Low Power Dissipation: ICC = 1 μA (maximum) at TA = 25°C.
- High Noise Immunity: Buffered output stage provides stable output and high noise immunity.
- Balanced Propagation Delays: tpLH = tpHL.
- Symmetrical Output Impedance: IOH = IOL = 2 mA.
- Chip Complexity: Less than 100 FETs.
- Pb-Free Package: Suitable for applications requiring lead-free components.
Applications
The MC74HC1G08 is versatile and can be used in a variety of applications, including:
- General logic circuits requiring high speed and low power consumption.
- Interface circuits between different voltage levels (e.g., 5 V to 3 V circuits).
- Battery backup and hot insertion applications due to its input and output protection features.
- Automotive and industrial control systems where high reliability and noise immunity are crucial.
Q & A
- What is the typical propagation delay of the MC74HC1G08 at VCC = 5 V?
The typical propagation delay is 7 ns at VCC = 5 V and CL = 15 pF.
- What is the maximum power dissipation of the MC74HC1G08 at TA = 25°C?
The maximum power dissipation is ICC = 1 μA at TA = 25°C.
- What is the input voltage range for the MC74HC1G08?
The input voltage range is from −0.5 V to VCC + 0.5 V).
- What is the output drive current of the MC74HC1G08 compared to the MC74HC series?
The output drive current of the MC74HC1G08 is half that of the standard MC74HC series).
- What are the key features of the MC74HC1G08's output stage?
The output stage provides high noise immunity and stable output due to its buffered design).
- What are the typical operating temperature ranges for the MC74HC1G08?
The operating temperature range is from −55°C to 125°C).
- What is the maximum storage temperature range for the MC74HC1G08?
The storage temperature range is from −65°C to 150°C).
- What is the thermal resistance of the SC−88A package for the MC74HC1G08?
The thermal resistance is approximately 377 °C/W for the SC−88A package).
- Can the MC74HC1G08 be used in automotive applications?
Yes, the MC74HC1G08 is suitable for automotive applications due to its high reliability and noise immunity features).
- What are the package options available for the MC74HC1G08?
The MC74HC1G08 is available in SC−88A, SC−74A, and TSOP−5 packages).
