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Logic - Buffers, Drivers, Receivers, Transceivers

The SN74BCT2241NG4 is a dual non-inverting buffer from Texas Instruments, part of the BCT family. This device is called a buffer because it was designed to prevent the problem of malfunctions in other components due to overloading of ports on an integrated circuit (IC). Its performance is focused on its wide range of application areas, such as:

• Peripheral and peripheral systems
• System monitoring and diagnostic systems
• Pulsewidth modulators
• Logic circuits
• Microprocessors
• Actuators
• Field devices
• Industrial control systems

SN74BCT2241NG4 has two non-inverting buffers, with two complementary outputs for each buffer. The device is composed of two independent 2-input non-inverting bus transceivers. The device also features a three-state output, enabling the connection of multiple units without exceeding the current requirements of the system. The output of each buffer is denominated as OE_A and OE_B, with each being driven by a complementary input.

The working principle of SN74BCT2241NG4 lies on its electric performance. When the enable inputs, ENA and ENB, are held at logic high, the outputs denominated A, B, OE_A and OE_B, follow the inputs A and B. When both enable inputs are held at logic low, the outputs are placed in the high impedance state. The device is built to function as level shifters, so devices in tandem will cause backflows or current spikes, as well as glitches or noises in the system.

The commercial part has these specifications: Power Supply voltage (max) 5.5V and Power Supply voltage (min) 4.5V. Its logic family is CMOS. Its configuration is 9.52 mm x 5.79 mm x 1.75 mm package. The SN74BCT2241NG4 capabilities are focused on its versatile working scheme, enabling it to function as buffer and transceiver, being suitable for a wide array of applications. Its inputs are guaranteed to be protected up to 6.5V and the outputs are determined with a maximum sink current of 8 mA and source current of 24 mA.

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