HomedatasheetSN74LVC245APWRE4

SN74LVC245APWRE4 Datasheet

Bus Transceivers
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Description

This octal bus transceiver is designed for 1.65-V to 3.6-V VCC operation. The SN74LVC245APWRE4 is designed for asynchronous communication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses effectively are isolated.To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment. This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. SN74LVC245APWRE4 Features &bull; Operates From 1.65 V to 3.6 V&bull; Inputs Accept Voltages to 5.5 V&bull; Max tpd of 6.3 ns at 3.3 V&bull; Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25&deg;C&bull; Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.3 V, TA = 25&deg;C&bull; Ioff Supports Partial-Power-Down Mode Operation&bull; Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC)&bull; Latch-Up Performance Exceeds 250 mA Per JESD 17&bull; ESD Protection Exceeds JESD 22&ndash; 2000-V Human-Body Model (A114-A)&ndash; 1000-V Charged-Device Model (C101)
Features

Parameters

[{"Name":"High Level Output Current: ","Value":"- 24 mA "},{"Name":"Low Level Output Current: ","Value":"24 mA "},{"Name":"Supply Voltage - Max: ","Value":"3.6 V "},{"Name":"Supply Voltage - Min: ","Value":"2 V "},{"Name":"Maximum Operating Temperature: ","Value":"+ 85 C "},{"Name":"Minimum Operating Temperature: ","Value":"- 40 C "},{"Name":"Number of Circuits: ","Value":"8 "},{"Name":"Propagation Delay Time: ","Value":"6.5 ns "},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

EPSON
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