74LVXC3245MTCX

The 74LVXC3245MTCX is a 8-bit dual-supply configurable voltage Interface Transceiver with 3-state outputs. It is suitable for PCMCIA and other real time configurable I/O applications. The VCCA pin accepts a 3V supply level. The A port is a dedicated 3V port. The VCCB pin accepts a 3 to 5V supply level. The B port is configured to track the VCCB supply level respectively. A 5V level on the VCC pin will configure the I/O pins at a 5V level and a 3V VCC will configure the I/O pins at a 3V level. The A port should interface with a 3V host system and the B Port to the card slots. This device will allow the VCCB voltage source pin and I/O pins on the B port to float when OE# is HIGH. This feature is necessary to buffer data to and from a PCMCIA socket that permits PCMCIA cards to be inserted and removed during normal operation.

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