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74LVX4245 Datasheet

Part NameDescriptionManufacturer
74LVX4245 8-Bit Dual Supply Translating Transceiver with 3-STATE Outputs National-Semiconductor
National ->Texas Instruments National-Semiconductor
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74LVX4245 image

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 Z 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 dy namic threshold performance
Available in SOIC, QSOP and TSSOP packages
Implements patented Quiet Series EMI reduction circuitry
Functionally compatible with the 74 series 245

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