M74HC393TTR

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The M74HC393TTR is a part of the HC393 High-Speed CMOS Logic family. It is a dual-4-bit up/down binary counter. It is a high-speed silicon-gate CMOS device and has protection against static discharges and temporary high-impedance inputs. It is manufactured using metal-gate CMOS technology and has operating specifications that conform to the ICES-001 standard.

The M74HC393TTR provides a relatively high-speed dual-4-bit up/down counter. The device can be used in applications that require counting up/down of a binary coded number. It can be used for decoding digital information, for division by a certain number and for a variety of other applications. The device can also be used for frequency division, modulo division and single-bit binary multiplications.

The M74HC393TTR is composed of a pair of 4-bit up/down binary counters, each having an independent Clock (CP), up/down Count Input (CD), and a Clock Enable (CE) input. The Clock input is the most important for operation; it defines the timing for the valid count sequence. The Clock Enable (CE) input enables or disables the Clock. When the CE input is set low, the counter is disabled and the output will remain at its last valid count level. The up/down Count Input (CD) controls the direction of count. When it is low, the counter is set to count up. When it is held high, the counter counts down. When it is held low during the entire clock period, the counter remains in the same state.

The outputs of the M74HC393TTR binary counter are available in parallel mode, making it well suited for applications where the output count is available in a single clock cycle. The output of the counter is 4-bit binary, referred to as QA, QB, QC, and QD. The outputs are active-low latches that latch the data on the falling edge of the Clock (CP) input. The output of the up/down counter is while Keyed to indicate an active-low output.

The M74HC393TTR is suitable for use in applications that require high-speed counting and binary code division. It is commonly used in digital circuit designs such as frequency division, modulo division and single-bit binary multiplications. It can also be used for counting, for time-delays, and for other logic applications. The device is available in the standard DIP (Dual Inline Package) in a wide variety of sizes, allowing it to be easily integrated into many designs.

The M74HC393TTR is a reliable, high-speed dual-4-bit up/down binary counter with an active-low latch output. It provides an economical solution for applications that require counting up/down binary coded numbers, frequency division, modulo division and single-bit binary multiplications. It is easy to integrate into many designs due to its standard DIP package availability, and the availability of multiple sizes.

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