Overview
The SN74HC04ANSR, produced by Texas Instruments, is a hex inverter integrated circuit that contains six independent inverters. Each inverter performs the Boolean function Y = A in positive logic. This device is part of the 74HC series, known for its high-speed CMOS logic and wide operating voltage range. It is widely used in various digital circuits for signal inversion, synchronization, and other logic operations.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Voltage Range | 2 | 6 | V | ||
| Operating Temperature Range | -40 | 85 | °C | ||
| Propagation Delay (A to Y) | VCC = 2 V | 45 | 95 | 120 | ns |
| Propagation Delay (A to Y) | VCC = 4.5 V | 9 | 19 | 24 | ns |
| Propagation Delay (A to Y) | VCC = 6 V | 8 | 16 | 20 | ns |
| Transition Time (Y) | VCC = 2 V | 38 | 75 | 95 | ns |
| Transition Time (Y) | VCC = 4.5 V | 8 | 15 | 19 | ns |
| Transition Time (Y) | VCC = 6 V | 6 | 13 | 16 | ns |
| Input Leakage Current | VI = VCC or 0, VCC = 6 V | ±1 | µA | ||
| Supply Current | VI = VCC or 0, VCC = 6 V | 20 | µA | ||
| Input Capacitance | VCC = 2 V to 6 V | 10 | pF |
Key Features
- Buffered Inputs: Ensures stable and reliable input signals.
- Wide Operating Voltage Range: Operates from 2 V to 6 V, making it versatile for various applications.
- Wide Operating Temperature Range: Functions from -40°C to +85°C, suitable for a broad range of environmental conditions.
- High Fanout Capability: Supports up to 10 LSTTL loads, enhancing its utility in complex digital circuits.
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs, contributing to energy efficiency.
- Balanced CMOS Push-Pull Outputs: Allows the device to sink and source similar currents, ensuring balanced output performance.
- Clamp Diode Structure: Includes positive and negative clamping diodes to protect against voltage spikes and ensure reliable operation.
Applications
- Synchronizing Inverted Clock Inputs: Used to synchronize clock signals in digital circuits.
- Debouncing Switches: Helps in stabilizing switch inputs to prevent multiple triggers from a single switch press.
- Inverting Digital Signals: Essential for logic operations where signal inversion is required.
- General Logic Circuits: Can be used in various digital logic circuits for signal processing and manipulation.
Q & A
- What is the primary function of the SN74HC04ANSR?
The primary function of the SN74HC04ANSR is to perform six independent inverter operations, each inverting the input signal according to the Boolean function Y = A in positive logic.
- What is the operating voltage range of the SN74HC04ANSR?
The SN74HC04ANSR operates within a voltage range of 2 V to 6 V.
- What is the operating temperature range of the SN74HC04ANSR?
The device operates from -40°C to +85°C.
- How many LSTTL loads can the SN74HC04ANSR support?
The SN74HC04ANSR can support up to 10 LSTTL loads.
- What are the key features of the SN74HC04ANSR's outputs?
The outputs are balanced CMOS push-pull, allowing the device to sink and source similar currents.
- What protection does the SN74HC04ANSR have against voltage spikes?
The device includes positive and negative clamping diodes to protect against voltage spikes.
- What are some common applications of the SN74HC04ANSR?
Common applications include synchronizing inverted clock inputs, debouncing switches, inverting digital signals, and use in general logic circuits.
- How should unused inputs be handled on the SN74HC04ANSR?
Unused inputs must be terminated to either VCC or ground, either directly or with a pull-up or pull-down resistor.
- What are the propagation delay and transition time specifications for the SN74HC04ANSR?
The propagation delay and transition time vary with the supply voltage; for example, at VCC = 6 V, the propagation delay is typically 16 ns and the transition time is typically 13 ns.
- What is the significance of the 'ANSR' suffix in the part number SN74HC04ANSR?
The 'ANSR' suffix indicates the specific package type (TSSOP) and reel size for the component.
