ZHCSVB7O December 1995 – January 2025 SN54AHC540 , SN74AHC540
PRODUCTION DATA
SNx4AHC540 八通道缓冲器/驱动器非常适合用于驱动总线或缓冲存储器地址寄存器。该类器件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。
| 器件型号 | 封装(引脚)(1) | 本体尺寸(标称值) |
|---|---|---|
| SN74AHC540N | PDIP (20) | 25.40mm × 6.35mm |
| SN74AHC540DB | SSOP (20) | 7.50mm × 5.30mm |
| SN74AHC540PW | TSSOP (20) | 6.50mm × 4.40mm |
| SN74AHC540DGV | TVSOP (20) | 5.00mm × 4.40mm |
| SN74AHC540DW | SOIC (20) | 12.80mm × 7.50mm |
| SNJ54AHC540FK | LCCC (20) | 9.0mm x 9.0mm |
| SNJ54AHC540W | CFP (20) | 13.72mm x 8.13mm |
简化版原理图