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Product Detailed Parameters
- Description：IC INVERTER 6CH 1-INP 14DIP
- Series：74AHC
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Logic Type：Inverter
- Number of Circuits：6
- Number of Inputs：1
- Features：Open Drain
- Voltage - Supply：2V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：-, 8mA
- Input Logic Level - Low：0.5V ~ 1.65V
- Input Logic Level - High：1.5V ~ 3.85V
- Max Propagation Delay @ V, Max CL：7.5ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Through Hole
- Supplier Device Package：14-PDIP
- Package / Case：14-DIP (0.300", 7.62mm)
- Grade：-
- Qualification：-
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Overview
The SN74AHC05N is a hex inverter with open-drain outputs manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 5.5 V and supports an operating temperature range from -40°C to +85°C. The device contains six independent inverters performing the Boolean function Y = A bar. It features latch-up performance exceeding 250 mA per JESD 17 and ESD protection exceeding 2000-V human-body model, 200-V machine model, and 1000-V charged-device model. The package type is PDIP-14.
Feature Summary
- Contains six independent inverters with open-drain outputs requiring external pullup resistors for correct operation.
- Supports active-low wired-OR or active-high wired-AND functions when connected to other open-drain outputs.
- Provides high ESD protection exceeding specified JESD 22 standards for human-body, machine, and charged-device models.
Applications
- Implementing active-low wired-OR logic functions
- Implementing active-high wired-AND logic functions
- General-purpose digital signal inversion
Procurement Notes
Verify that the specific part number matches the required PDIP-14 package configuration. Confirm the operating temperature range meets the application's environmental requirements of -40°C to +85°C. Ensure that the design includes appropriate external pullup resistors, as the open-drain outputs require them to perform correctly. Check RoHS compliance status if required by the manufacturing process.
Selection Notes
Select this component when six independent inverters with open-drain outputs are needed within a single package. It is suitable for applications requiring wired-OR or wired-AND configurations. Consider the 2 V to 5.5 V supply voltage range and the -40°C to +85°C operating temperature range. Verify that the PDIP-14 through-hole package fits the board layout constraints.
Part Context
The SN74AHC05N belongs to the SN74AHC05 family of hex inverters with open-drain outputs. It is part of Texas Instruments' AHC logic series, designed for low power consumption and high-speed operation. The N suffix indicates a plastic dual-in-line package (PDIP) with 14 pins. This family provides compatibility with standard CMOS logic levels while offering enhanced static stability and ESD protection.
Replacement Considerations
SN74AHC05PW
FAQ
Why are external pullup resistors required for the SN74AHC05N?
The SN74AHC05N features open-drain outputs, which means they can only sink current to ground. To drive the output high, an external pullup resistor must be connected between the output pin and the supply voltage (VCC).
What logic function does the SN74AHC05N perform?
Each of the six inverters in the SN74AHC05N performs the Boolean NOT function, where the output Y is the inverse of the input A (Y = A bar).
