74LVX4245 Datasheet PDF - Fairchild

General Description

●The LVX4245 is a dual-supply, 8-bit translating transceiver that is designed to interface between a 5V bus and a 3V bus in a mixed 3V/5V supply environment. The Transmit/Receive (T/R) input determines the direction of data flow. Transmit (active-HIGH) enables data from A Ports to B Ports; Receive (active-LOW) enables data from B Ports to A Ports. The Output Enable input, when HIGH, disables both A and B Ports by placing them in a high impedance condition. The A Port interfaces with the 5V bus; the B Port interfaces with the 3V bus.

●Features

●■Bidirectional interface between 5V and 3V buses

●■Control inputs compatible with TTL level

●■5V data flow at A Port and 3V data flow at B Port

●■Outputs source/sink 24 mA at 5V bus; 12 mA at 3V bus

●■Guaranteed simultaneous switching noise level and dynamic threshold performance

●■Implements patented EMI reduction circuitry

●■Functionally compatible with the 74 series 245