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缓冲器
GT74LVC244
The operating voltage range of the bus buffer gate is 1.65 V to 5.5 V. The GT74LVC244 devices are designed for asynchronous communication between data buses.
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.
特性
- 3-State output
- Supports 5 V VCC operation
- Inputs accept voltages to 5.5 V
- Max tpd of 4.7 ns at 3.3 V
- ±24-mA output drive at 3.3 V
- Ioff supports partial-power-down mode
应用
- Servers
- LED displays
- Network switches
- Telecom infrastructure
- Motor drivers
- I/O expanders
