SN74ALS580BN

Overview

The SN74ALS580BN is an octal D-type transparent latch manufactured by Texas Instruments, belonging to the ALS logic series. It features eight independent latches with a PDIP-20 package. Key electrical parameters include a propagation delay of 18 ns, low-level output current of 32 mA, and high-level output current of -2.6 mA. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a working temperature range from 0°C to +70°C.

Feature Summary

• Provides eight independent transparent latch circuits for data storage applications.
• Features inverting logic polarity within the Advanced Low-power Schottky (ALS) family.
• Supports through-hole mounting via a standard 20-pin DIP package.

Applications

• Parallel-to-serial data conversion interfaces
• Temporary data buffering in digital systems
• Address latching for memory decoding

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pinout compatibility and electrical characteristics. Ensure the component meets RoHS requirements if applicable to your design constraints. Cross-reference the datasheet revision history to validate performance specifications before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring multiple parallel data storage elements with transparent latch functionality. The ALS series offers a balance of speed and power consumption suitable for general-purpose digital logic. Consider the PDIP-20 package dimensions for PCB layout and thermal management requirements during the initial design phase.

Part Context

This part belongs to the Texas Instruments SN74ALS580B series, which comprises octal transparent latches. The 'N' suffix indicates a plastic dual-in-line package variant. This series is designed for use in various digital logic applications requiring reliable data retention and fast switching speeds within standard TTL-compatible voltage levels.

Replacement Considerations

Consult official substitution guides for compatible parts within the same logic family or equivalent functional alternatives. Verify pin compatibility and electrical specifications before replacing the original component in existing designs.