# SN54/74LS Series Counters
## Product Overview
️· Description: Dual 4-Bit Decade and Binary Counters
️· Part Numbers: SN54390, SN54LS390, SN54393, SN54LS393, SN74390, SN74LS390, SN74393, SN74LS393
## Key Features
️· Dual counter design
️· Available in both decade and binary configurations.
## Important Notices
️· Warranty: Products conform to Texas Instruments' standard warranty.
️· Testing: Production processing may not include testing of all parameters.
️· Legal Disclaimer: Extensive legal terms regarding usage, liability, and intellectual property are included.
️· Safety Critical Applications: Not authorized for safety-critical applications unless specifically agreed upon.
️· Automotive/Military: Specific designations are required for automotive and military applications.
️· Website References: URLs provided for additional product information and application solutions.