This octal buffer/line driver is operational at 1.5-V to 3.6-V VCC, but is designed specifically for 1.65-V to 3.6-V VCC operation.
The SN74LVC244A is organized as 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.
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.
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.
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.
TYPE | DESCRIPTION | Select all |
---|---|---|
Package / Case | 20-TSSOP (0.173", 4.40mm Width) | |
Mounting Type | Surface Mount | |
Operating Temperature | -40°C ~ 125°C (TA) | |
Voltage - Supply | 1.65V ~ 3.6V | |
Current - Output High, Low | 24mA, 24mA | |
Logic Type | Buffer, Non-Inverting | |
Product Status | Active | |
Package | Tape & Reel (TR) | |
Output Type | 3-State | |
Number of Bits per Element | 4 | |
Number of Elements | 2 | |
Series | Automotive, AEC-Q100, 74LVC | |
Supplier Device Package | 20-TSSOP |
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