SN65C1154N

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The SN65C1154N are fan-out buffers that convert a TTL-level signal into a lower impedance which allows the signal to drive multiple loads. With a low-current TTL-compatible input and a high-current CMOS drive capability, the SN65C1154N provides an effective way of protecting and isolating circuits with different power and logic levels. It is characterized by an improved full voltage and current rating, with an improved tolerance to noise, temperature and humidity over standard TTL. The SN65C1154N buffers are mainly used in systems and applications that require high current driving capabilities over short transmission lines, such as in distributed logic and processor/memory busses, as well as in power management regulation, power switching and analog switching applications.

The SN65C1154N fan-out buffers are built with 6-bit high-speed FET drivers, with each device having two 10-bit drivers. Each 10-bit driver consists of two series-connected 5-bit drivers, one for each output line. The 4-pin SOP (SMD) package houses the driver IC and the thermally enhanced metal enclosure acts as a heatsink, allowing for higher current driving capability, as well as cooling. The SN65C1154N has an operating temperature range of -40°C to 125°C, and a maximum current drive capability of +-180mA.

The SN65C1154N works with an input voltage of 3.3V to 5V and it can also be used as a level translator for interfacing two devices with different voltage levels. It has a high impedance when disabled, so that it does not consume any current. The SN65C1154N fan-out buffers feature improved data transmission characteristics and noise immunity, making them suitable for use in high speed data bus applications and in systems with multiple power supplies.

The SN65C1154N is designed to have fast transition time between the input and output signals. It has a slew rate of 1V/ns and a propagation delay time of 3ns. This allows for a high speed data transfer rate with minimal data skew. The SN65C1154N is also able to drive up to 8 loads at a time, making it a good choice for applications that need fast data transfer and high current drive capabilities.

The SN65C1154N is suitable for use in a wide range of digital systems and applications, from distributed logic to power regulation, switching and analog switching applications. It provides an effective way of protecting and isolating different circuits with different power and logic levels. The SN65C1154N fan-out buffers are also ideal for high-speed data transmission applications that require high current drive capability and minimal propagation delay.

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