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74LVCH244A - OCTAL BUFFER/LINE DRIVER

General Description

The 74LVCH244A provides two 4-bit line drivers with separate output-enable (OE) inputs.

When OE is low, the device passes data from the A inputs to the Y outputs.

When OE is high, the outputs are in the high-impedance state.

Key Features

  • Supply Voltage Range from 1.65V to 3.6V.
  • Sinks or Sources 24mA at VCC = 3V.
  • CMOS Low Power Consumption.
  • IOFF Supports Partial-Power Down Operation.
  • Inputs or Outputs Accept up to 5.5V.
  • Inputs Can be Driven by 3.3V or 5V Allowing for Mixed Voltage.

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NEW PRODUCT 74LVCH244A OCTAL BUFFER/LINE DRIVER WITH BUS HOLD / 3 STATE OUTPUTS Description The 74LVCH244A provides two 4-bit line drivers with separate output-enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. The device is designed for operation with a power supply range of 1.65V to 3.6V. Pin Assignments 1 1OE 20 Vcc The inputs are tolerant to 5.5V allowing this device to be used in a mixed voltage environment. The device is fully specified for partial power down applications using IOFF. The IOFF circuitry disables the output preventing damaging current backflow when the device is powered down. Bus hold circuitry holds unused or un-driven inputs at a high or low logic state.