ZHCSQK2H December 1982 – February 2025 SN54HC244 , SN74HC244
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
| 参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | ||||
|---|---|---|---|---|---|---|---|---|---|
| tpd | 从 A(输入)到 Y(输出) | VCC = 2V | SN54HC244 | 170 | ns | ||||
| SN74HC244 | 170 | ||||||||
| VCC = 4.5V | SN54HC244 | 34 | |||||||
| SN74HC244 | 34 | ||||||||
| VCC = 6V | SN54HC244 | 29 | |||||||
| SN74HC244 | 29 | ||||||||
| ten | 从 OE(输入)到 Y(输出) | VCC = 2V | SN54HC244 | 225 | ns | ||||
| SN74HC244 | 225 | ||||||||
| VCC = 4.5V | SN54HC244 | 45 | |||||||
| SN74HC244 | 45 | ||||||||
| VCC = 6V | SN54HC244 | 38 | |||||||
| SN74HC244 | 38 | ||||||||
| tdis | 从 OE(输入)到 Y(输出) | VCC = 2V | SN54HC244 | 225 | ns | ||||
| SN74HC244 | 225 | ||||||||
| VCC = 4.5V | SN54HC244 | 45 | |||||||
| SN74HC244 | 45 | ||||||||
| VCC = 6V | SN54HC244 | 38 | |||||||
| SN74HC244 | 38 | ||||||||
| tt | 到 Y(输出) | VCC = 2V | SN54HC244 | 90 | ns | ||||
| SN74HC244 | 90 | ||||||||
| VCC = 4.5V | SN54HC244 | 18 | |||||||
| SN74HC244 | 18 | ||||||||
| VCC = 6V | SN54HC244 | 15 | |||||||
| SN74HC244 | 15 | ||||||||