Dual 4-Bit Binary Counter

The MM74HC393 Counter MM74HC393 circuits contain independent ripple carry Counters and utilize advanced silicon-gate CMOS technology. The MM74HC393 contains two 4-bit ripple carry binary Counters which CAN be cascaded to create a single divide-by-256 Counter
Each of the two 4-bit Counters is incremented on the HIGH-to-LOW transition (negative edge) of the Clock input, and each has an independent clear input. When clear is set HIGH all four bits of each Counter are set to a low level. This enables count truncation and allows the implementation of divide-by-N Counter configurations.
Each of the Counters outputs CAN drive 10 low power Schottky TTL equivalent loads. This Counter is functionally as well as pin equivalent to the 74LS393. All inputs are protected from damage due to static discharge by Diodes to VCC and ground.
By Fairchild Semiconductor
MM74HC393 's PackagesMM74HC393 's pdf datasheet
MM74HC393M SOIC
MM74HC393MTC TSSOP
MM74HC393MTCX TSSOP
MM74HC393MX SOIC
MM74HC393MX-NL SOIC
MM74HC393N DIP
MM74HC393N-NL DIP
MM74HC393SJ SOP
MM74HC393SJX SOP




MM74HC393 Pinout, Pinouts
MM74HC393 pinout,Pin out
This is one package pinout of MM74HC393,If you need more pinouts please download MM74HC393's pdf datasheet.

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