ZHCSIR4Q July 1995 – September 2018 SN54LVCH245A , SN74LVCH245A
PRODUCTION DATA.
请参考 PDF 数据表获取器件具体的封装图。
| PARAMETER | TEST
CONDITIONS |
VCC = 1.8 V
± 0.15 V |
VCC = 2.5 V
± 0.2 V |
VCC = 2.7 V | VCC = 3.3 V
± 0.3 V |
UNIT | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX | ||||
| tpd | Propagation
delay time |
Input A or B to B or A output | 13.7 | 9.1 | 7.8 | 1.5 | 6.7 | ns | |||
| ten | Enable time | Input OE to A or B output | 16.8 | 12 | 10 | 1.5 | 9.1 | ns | |||
| tdis | Disable time | Input OE to A or B output | 18 | 10.5 | 8.7 | 1.5 | 7.8 | ns | |||
| tPLH | Propagation
delay time (low-level to high-level output) |
Input A to Y output
CL = 50 pF |
5.4 | 7.5 | 1 | 8.5 | 1 | 8.5 | 1 | 9.5 | ns |
| tPHL | Propagation
delay time (high-level to low-level output) |
Input A to Y output
CL = 50 pF |
5.4 | 7.5 | 1 | 8.5 | 1 | 8.5 | 1 | 9.5 | |
| tPZH | Enable time
(to high level) |
Input OE to Y output
CL = 50 pF |
6.2 | 9.3 | 1 | 10.5 | 1 | 10.5 | 1 | 11.5 | ns |
| tPZL | Enable time
(to low level) |
Input OE to Y output
CL = 50 pF |
6.2 | 9.3 | 1 | 10.5 | 1 | 10.5 | 1 | 11.5 | |
| tPHZ | Disable time
(to high level) |
Input OE to Y output
CL = 50 pF |
6.7 | 9.2 | 1 | 10.5 | 1 | 10.5 | 1 | 11 | ns |
| tPLZ | Disable time
(to low level) |
Input OE to Y output
CL = 50 pF |
6.7 | 9.2 | 1 | 10.5 | 1 | 10.5 | 1 | 11 | |
| tsk(o) | Output skew | CL = 50 pF | 1(1) | 1 | 1 | 1 | ns | ||||