| 型号 | SN74HC244NSR | 厂家 | TI |
| 批号 | 19+ | 封装 | sop-20 |
产品概述
The SN74HC244NSR is an octal Buffer/Line Driver designed specifICally to improve both the performance and density of 3-state memory address drivers, clock drivers and bus-oriented receivers and transmitters. The SNx4HC244 device is organized as two 4-bit buffers and drivers with separate output-enable (OE) inputs. When OE is low, the device passes non-inverted 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 should be tied to VCC through a pull-up resistor and the minimum value of the resistor is determined by the current-sinking capability of the driver.
High-current outputs drive up to 15 LSTTL loads
3-state Outputs drive bus lines or buffer memory address registers
80μA maximum ICC low power consumption
11ns typical Propagation delay (tpd)
±6mA Output drive at 5V
1μA maximum Low input current
Green product and no Sb/Br
应用
工业, 自动化与过程控制, 信号处理, 通信与网络
产品信息
逻辑器件类型: 缓冲/线路驱动器、非反相 逻辑系列/标号: 74HC244 封装类型: SOP 针脚数: 20引脚 电源电压最小值: 2V 电源电压最大值: 6V 逻辑芯片系列: 74HC 逻辑芯片标号: 74244 工作温度最小值: -40°C 工作温度最高值: 85°C 产品范围: - 汽车质量标准: - MSL: MSL 1 -无限制
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