| 型号 | 制造商 | 描述 | 操作 |
| 74HC4520DB [更多] | Nexperia | Counter ICs DUAL 4B BIN RIP CNTR SYNCHRONOUS RoHS: Compliant | 搜索 |
| 74HC4520DB,112 [更多] | Nexperia | Counter ICs DUAL 4B BIN RIP CNTR RoHS: Compliant | 搜索 |
| 74HC4520DB,118 [更多] | Nexperia | Counter ICs DUAL 4-BIT SYNC BINARY COUNTER RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| 74HC4520DB118 [更多] | NXP Semiconductors | 搜索 | |
| 74HC4520DB112 [更多] | NXP Semiconductors | 搜索 |