Overview
The SN74AC04DR is a hex inverter integrated circuit produced by Texas Instruments. This device contains six independent inverters, each performing the Boolean function Y = A, where the output Y is the logical inverse of the input A. The SN74AC04DR operates within a supply voltage range of 2 V to 6 V, making it versatile for various digital logic applications.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| VCC (Supply Voltage) | V | 2 | 6 | |
| VIH (High-level Input Voltage) at VCC = 5.5 V | V | 3.85 | 3.85 | |
| VIL (Low-level Input Voltage) at VCC = 5.5 V | V | 1.65 | 1.65 | |
| IOH (High-level Output Current) at VCC = 5.5 V | mA | -24 | -24 | |
| IOL (Low-level Output Current) at VCC = 5.5 V | mA | 24 | 24 | |
| tPLH (Propagation Delay Time, A to Y) at VCC = 5 V | ns | 1 | 4.5 | 10 |
| tPHL (Propagation Delay Time, A to Y) at VCC = 5 V | ns | 1 | 4.5 | 9.5 |
| TA (Operating Free-Air Temperature) | °C | -40 | 85 | |
| RθJA (Junction-to-Ambient Thermal Resistance) for SOIC package | °C/W | 96 |
Key Features
- Operates with a supply voltage range of 2 V to 6 V.
- Inputs accept voltages up to 6 V.
- Maximum propagation delay time of 7 ns at 5 V.
- Low power dissipation.
- Available in various packages including SOIC (D), SSOP (DB), SOP (NS), and TSSOP (PW).
- ESD protection: 250-V CDM and 500-V HBM.
Applications
- Synchronizing inverted clock inputs.
- Debouncing switches.
- Inverting digital signals.
- Bus interface applications where output ringing is a concern.
- Use in D-type flip-flops, counters, and other digital logic circuits.
Q & A
- What is the operating voltage range of the SN74AC04DR?
The SN74AC04DR operates within a supply voltage range of 2 V to 6 V.
- What is the maximum propagation delay time of the SN74AC04DR at 5 V?
The maximum propagation delay time is 7 ns at 5 V.
- What are the typical applications of the SN74AC04DR?
Typical applications include synchronizing inverted clock inputs, debouncing switches, inverting digital signals, and use in bus interface applications.
- What are the available packages for the SN74AC04DR?
The device is available in SOIC (D), SSOP (DB), SOP (NS), and TSSOP (PW) packages.
- What is the ESD protection rating for the SN74AC04DR?
The device has ESD protection ratings of 250-V CDM and 500-V HBM.
- What is the operating temperature range for the SN74AC04DR?
The operating free-air temperature range is -40°C to 85°C.
- How many independent inverters does the SN74AC04DR contain?
The device contains six independent inverters.
- What is the Boolean function performed by each inverter in the SN74AC04DR?
Each inverter performs the Boolean function Y = A, where Y is the logical inverse of A.
- What should be done with unused inputs of the SN74AC04DR?
Unused inputs must be held at VCC or GND to ensure proper device operation.
- What is the recommended load current per output for the SN74AC04DR?
Load currents should not exceed 25 mA per output and 75 mA total for the part.
