SEARCH
— IC芯片 | 连接器 | 传感器 | 被动器件 —
74HC393D is listed in the Counter Dividers range at ChipApex. The manufacturer field lists Toshiba Semiconductor and Storage. Its product description is IC BINARY COUNTR DL 4BIT 14SOIC. Review the specifications below when checking this part for your BOM.
The Toshiba Semiconductor and Storage 74HC393D is a dual 4-bit binary counter integrated circuit belonging to the 74HC CMOS logic series. It features two independent asynchronous counters, each with four bits, designed for up-counting operations triggered on the negative clock edge. The device operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation in a 14-SOIC package. It includes an asynchronous reset function and maintains reliable performance across a wide operating temperature range from -40°C to 85°C.
Verify the specific manufacturer designation as Toshiba Semiconductor and Storage when sourcing this component. Confirm the package type is 14-SOIC and check for RoHS compliance status if required by your assembly process. Ensure the operating temperature range meets your environmental specifications. Cross-reference the part number with official distributor catalogs to confirm current availability and authenticity before procurement.
Select this component when designing circuits requiring dual independent binary counters within a single package. It is suitable for applications needing negative-edge triggered counting with asynchronous reset capabilities. Consider the 74HC series characteristics regarding speed and power consumption relative to other logic families. Verify that the 14-SOIC package dimensions fit your PCB layout constraints and that the voltage range aligns with your system power supply.
This component belongs to the widely adopted 74HC logic family, known for high-speed CMOS technology compatible with standard TTL levels. The 74HC393 specifically addresses needs for multiple binary counters in compact form factors. It serves as a fundamental building block in digital electronics for tasks involving sequential logic and time-based operations.
Public confirmed substitute part numbers include MC74HC393D from onsemi and 74HC393D,652 from Nexperia. These alternatives share similar functional specifications but may differ in packaging details or electrical parameters. Always verify pin compatibility and electrical characteristics against the original datasheet before substitution.
Explore related parts through Logic, Integrated Circuits (ICs), all product categories, ChipApex homepage.