CD74HC191M96E4

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The CD74HC191M96E4 is a high-speed synchronous up/down modulo-16 binary counter from Texas Instruments. The CD74HC191M96E4 is a component of the CD74HC191M Series Synchronous Counters provided by TI and manufactured using CD4KCMOS technology. The CD74HC191M96E4 counter is composed of five cascade stages which are connected by two dedicated clock inputs; a count-up clock (HCP) and a count-down clock (LCP). The device is capable of both up and down counting since it has two clock inputs instead of one.

The CD74HC191M96E4 is perfect for a variety of applications such as digital instrumentation, frequency division, time division multiplexing and general digital timing applications. It can also be used in applications where manual or external resetting or synchronous counting is necessary.

The CD74HC191M96E4 offers a wide range of features that make it ideal for a wide range of applications. It offers a low-power dissipation through its low-level logic output, and can operate down to 1.8V supply voltage. The device is capable of high frequencies and consumes very low power, with a maximum power dissipation of only 43mW.

The CD74HC191M96E4 is a synchronous counter, meaning that all of its stages are synchronized to each other by an external clock signal. The counter works by and counting up when triggered by the count-up clock signal and counting down when triggered by the count-down clock signal. The counter counts from 0 to 16 and then restarts from 0, which allows for a modulo-16 counting capability.

The CD74HC191M96E4 is capable of high speeds, with a maximum frequency of 4 MHz in both up and down counting directions. The device also offers a wide range of features, such as higher input and output capacitance, a low signal propagation delay of 4 ns, and a low output noise level. The device also features a high peak input current of 0.7 mA and a minimum output current of 50 mA in both HIGH (Vss) and LOW (Vdd) logic states. The device is also capable of low-level noise immunity for enhanced reliability and is compatible with the Schmitt trigger input logic.

Overall, the CD74HC191M96E4 is an ideal choice for applications that require high-speed and reliable counters, dividers or synchronous counters. The device features a wide range of features and boasts low-power dissipation and a wide range of operating voltages. The device is also designed to be compliant to the HCMOS TTL family and is compatible with existing 74HC and 74LS families of logic circuits. The device is also capable of higher output current and low-level noise immunity, allowing it to function reliably in noisy environments.

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