74F245MSA

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The 74F245MSA is a bus transceiver designed for use with 8-bit data buses. It is capable of transmitting and receiving data on parallel, point-to-point, or Intersil bus-oriented systems. This device transfers data from the input of one bus to the output of the other bus in such a manner that the output is enabled if and only if the two buses are in the same state. The transceiver operates in both normal and high impedance states, and is ideal for memory expansion, data buffer and bus control applications.

The 74F245MSA has four bits of data input and four bits of data output, which are tied together by the three output enable inputs (A*, B*, and G*). The A* and B* inputs are logic active low, while the G* input is logic high active. The A* and B* inputs both have to be logic low for the four output bits to be enabled. If both A* and B* are logic high, the four output bits are disabled.

The 74F245MSA operates in both normal and high impedance states, depending on the state of G* as specified:

• If G* is logic low, the device operates in the normal state; meaning that the output pins are enabled.
• If G* is logic high, the device operates in the high impedance state; meaning that the output pins are not driven.

The 74F245MSA is capable of operating at a maximum data rate of 200 Mbps and is typically used in applications such as memory expansion, data buffer, and bus control. It is available in standard 8-pin and 20-pin packages, and is powered by a single five-volt VCC supply.

In summary, the 74F245MSA is a bus transceiver designed to transmit and receive 8-bit data on parallel, point-to-point, or Intersil bus-oriented systems. It operates in both normal and high impedance states, and is ideal for memory expansion, data buffer and bus control applications. With its maximum data rate of 200 Mbps, it is suitable for a wide range of applications, making it an ideal choice for designers.

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