74FCT521ATQG8

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The 74FCT521ATQG8 is a Hex High-speed CMOS Single-supply Translator/Buffer, a part of TTL-to-CMOS level-shifting technology. It is ideal for distance signalling and high-speed logic applications. It has a TTL-to-CMOS level conversion, with inputs for the TTL terminals and outputs for CMOS or TTL terminals. It supports an input a maximum voltage of 5.5 V and can operate from the single power source. The inputs are TTL compatible and TTL-to-CMOS voltage level shifts can be performed for proper operation. Moreover, the power supply can be actively managed by turning off unused ports.

The 74FCT521ATQG8 has many application fields. It can be used to convert the 5.5V TTL levels to the higher CMOS levels, providing easy conversion of external low-voltage signals to TTL levels. It can be used in distance signalling applications to provide the correct voltage level at either end. This helps to ensure that TTL-to-CMOS level shifting works properly so that low-level signals have the necessary duration without distortion. Furthermore, it is suitable for high-speed applications such as memory interfacing and data acquisition systems.

The working principle of the 74FCT521ATQG8 revolves around the two pairs of voltage regulator, or VREGs. The two VREGs are set up in parallel and connected to the ground. The positive terminal of the VREG is connected to the supply voltage, which can be either the voltage of the TTL input or the voltage of the CMOS output depending on the design. The current flowing through the VREG is controlled by the resistance of the in circuit. When the resistance value is low, the current will be high, thus allowing lower voltage levels from the VREG to be transferred to the TTL-input. When the resistance value is high, the current will be low and consequently, the voltage level of the TTL-input will also be lower. Thus, through the adjustment of the resistance value, the 74FCT521ATQG8 can control the transfer of level-shifted logic signals between TTL and CMOS.

Overall, the 74FCT521ATQG8 is a versatile and widely utilized part of the TTL-to-CMOS level-shifting technology. With its 5.5V TTL input compatibility and single power source capabilities, the 74FCT521ATQG8 is suitable for distance signalling and high-speed applications. Its working principle revolves around the two VREGs, which helps to adjust the resistance into varying levels for the appropriate voltage levels for the logic signals.

The specific data is subject to PDF, and the above content is for reference