SN74LV540A 器件是一款八路缓冲器/驱动器,可在 2V 至 5.5V V CC 电压下运行。
此器件非常适合用于驱动总线或缓冲存储器地址寄存器。它在封装的相对两侧具有输入端和输出端,有助于印刷电路板布局布线。
| Technology family | LV-A |
| Supply voltage (min) (V) | 2 |
| Supply voltage (max) (V) | 5.5 |
| Number of channels | 8 |
| IOL (max) (mA) | 16 |
| IOH (max) (mA) | -16 |
| Supply current (max) (µA) | 20 |
| Input type | Standard CMOS |
| Output type | 3-State |
| Features | Balanced outputs, Over-voltage tolerant inputs, Partial power down (Ioff), Very high speed (tpd 5-10ns) |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
| SOIC (DW) | 20 | 131.84 mm² 12.8 x 10.3 |
| SOP (NS) | 20 | 98.28 mm² 12.6 x 7.8 |
| SSOP (DB) | 20 | 56.16 mm² 7.2 x 7.8 |
| TSSOP (PW) | 20 | 41.6 mm² 6.5 x 6.4 |
| TVSOP (DGV) | 20 | 32 mm² 5 x 6.4 |
| VQFN (RGY) | 20 | 15.75 mm² 4.5 x 3.5 |