16-Bit Dual Supply Configurable Voltage Interface Transceiver With TRI-STATE-R Outputs

The LVXC164245 is a 48-pin dual-supply, 16-bit configura- ble voltage Interface transceiver suited for PCMCIA and oth- er real time configurable I/O applications. The VCCB pin ac- cepts a 5V supply level. The B port is a dedicated 5V port. The VCCA pin accepts a 3V-to-5V supply level. The A port is configured to track the VCCA 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. This device will allow the VCCA voltage source pin and I/O pins on the A 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 dur- ing normal operation. By National Semiconductor Corporation
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74LVXC164245 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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