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SN74393N is listed in the Counter Dividers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is BINARY COUNTER. Review the specifications below when checking this part for your BOM.
The SN74393N is a dual 4-bit binary counter from the SN54/74LS390 and SN54/74LS393 series. It contains two independent 4-bit ripple counters, each with a clock input and an asynchronous clear input. The device operates within a supply voltage range of 4.75 V to 5.25 V and supports a count rate up to 35 MHz. It features a 14-pin PDIP package and functions across an operating temperature range of 0°C to 70°C.
Verify that the specific part number matches the LS logic family specifications rather than HC or HCT variants. Confirm the package type corresponds to the required board layout dimensions. Ensure the operating environment remains within the specified commercial temperature limits.
Select this component when dual independent binary counting is required in a single package. Verify compatibility with standard TTL logic levels if interfacing with other devices. Consider the asynchronous clear functionality for system reset requirements.
This component belongs to the Texas Instruments SN54/74LS390 and SN54/74LS393 series of dual 4-bit decade and binary counters. It is designed for general-purpose digital counting applications requiring reliable performance in standard logic environments.
SN74LS393N
The device supports a count rate up to 35 MHz.
The device contains two independent 4-bit binary counters.
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