| 型号 | 制造商 | 描述 | 操作 |
| SN74ALS569ANSR [更多] | Texas Instruments | Counter ICs Sync 4-Bit Up/Down Bnry Cntr W/3St Otp RoHS: Compliant | 搜索 |
| SN74ALS569ANSRE4 [更多] | Texas Instruments | Counter ICs Sync 4-Bit Up/Down Bnry Cntr W/3St Otp RoHS: Compliant | 搜索 |
| SN74ALS569ANSRG4 [更多] | Texas Instruments | Counter ICs Synch 4B Up Down Binary Counters RoHS: Compliant | 搜索 |
