| 型号 | 制造商 | 描述 | 操作 |
| CD74HCT191EE4 [更多] | Texas Instruments | Counter ICs Hi-Sp CMOS Logic Pre Sync 4-Bit Bry Up/Dn RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| CD74HCT191EE4 [更多] | Texas Instruments | Synchronous Up/Down Counters with Down/Up Mode Control (Alt: CD74HCT191EE4) RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| CD74HCT191EE4 [更多] | Rochester Electronics LLC | 搜索 | |
| CD74HCT191EE4 [更多] | Texas Instruments | 搜索 |