SN74ACT244-Q1中文资料具有 TTL 兼容型 CMOS 输入和三态输出的汽车类 8 通道、4.5V 至 5.5V 缓冲器数据手册TI规格书

描述 Description

This octal buffer/driver is designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.The SN74ACT244 device is organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes noninverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE shall be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

特性 Features

• Qualified for Automotive Applications
• 4.5-V to 5.5-V VCC Operation
• Inputs Accept Voltages to 5.5 V
• Max tpd of 9 ns at 5 V
• Inputs Are TTL Compatible