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Product Detailed Parameters
- Description：IC INVERTER HEX W/OD OUT 14TSSOP
- Series：74AHC
- Mfr：Texas Instruments
- Package：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：Surface Mount
- Supplier Device Package：14-TSSOP
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHC05PWE4 is a hex inverter with open-drain outputs belonging to the Texas Instruments AHC logic family. It operates within a supply voltage range of 2 V to 5.5 V and supports an operating temperature range of -40°C to +85°C. The device features six independent inverters performing the Boolean function Y = NOT A. Open-drain outputs require external pull-up resistors for proper operation, enabling wired-OR or wired-AND configurations. Latch-up performance exceeds 250 mA per JESD 17 standards.
Feature Summary
- Hex inverter configuration with open-drain outputs requiring external pull-up resistors
- Supports active-low wired-OR and active-high wired-AND functions through output interconnection
- High ESD protection exceeding 2000-V human-body model and 1000-V charged-device model
Applications
- Implementing active-low wired-OR logic functions
- Implementing active-high wired-AND logic functions
- General-purpose digital signal inversion in CMOS circuits
Procurement Notes
Verify that the ordering suffix 'E4' corresponds to lead-free packaging and RoHS compliance as specified in the manufacturer's documentation. Confirm the package type matches the required PCB footprint, specifically TSSOP-14 for this variant. Ensure all unused inputs are tied to VCC or GND during design to maintain operational stability.
Selection Notes
Select this component when open-drain output topology is required for bus sharing or level shifting applications. The AHC series offers high-speed performance suitable for modern digital systems. Verify that the load capacitance requirements align with the switching characteristics defined in the datasheet for the target supply voltage.
Part Context
This part belongs to the SN74AHC05 family of hex inverters with open-drain outputs. It is manufactured by Texas Instruments and utilizes the AHC (Advanced High-Speed CMOS) logic technology. The device is available in multiple packages including TSSOP, SOIC, SSOP, and PDIP, catering to various surface-mount and through-hole assembly needs.
Replacement Considerations
SN74AHC05PWR is the standard tape-and-reel version of the same device without the E4 suffix.
