SN74AHC373N

Overview

The SN74AHC373N is an octal transparent D-type latch manufactured by Texas Instruments, featuring three-state outputs. It operates within a supply voltage range of 2 V to 5.5 V and utilizes a 20-pin DIP package. The device provides non-inverting logic with eight independent channels. Key electrical specifications include a propagation delay of 14.9 ns at 5 V and 9.2 ns at 3.3 V. Static current consumption is typically 4 uA. Output drive capabilities are specified as 8 mA for both high and low states. The component supports through-hole mounting and functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Octal transparent D-type latch architecture with three-state outputs
• Wide supply voltage operation from 2 V to 5.5 V
• High noise immunity characteristics inherent to AHC technology

Applications

• Parallel-to-serial data conversion circuits
• Registering and buffering digital signals
• Memory address latching in embedded systems

Procurement Notes

Verify the specific suffix 'N' confirms the PDIP-20 package variant when sourcing. Confirm RoHS compliance status via the manufacturer's latest documentation. Ensure the ordering part number matches the required pin configuration and lead finish. Cross-reference the datasheet revision date to validate parameter accuracy against current production standards.

Selection Notes

Select this component for designs requiring wide voltage compatibility and moderate speed performance. The AHC series offers improved switching speeds compared to standard HC logic while maintaining CMOS power efficiency. Consider the PDIP-20 package for prototyping or applications necessitating through-hole assembly techniques over surface mount alternatives.

Part Context

This device belongs to the Texas Instruments SN74AHC373 family of octal latches. It serves as a core memory element in digital logic systems, providing temporary storage for parallel data inputs. The family is characterized by advanced CMOS technology that balances speed and power consumption effectively for general-purpose logic applications.

Replacement Considerations

SN74AHC373DWR (SOIC-20 package)

FAQ

What is the maximum supply voltage for the SN74AHC373N?

The maximum supply voltage is 5.5 V.

Does the SN74AHC373N have inverted outputs?

No, it features non-inverting outputs.