| 型号 | 制造商 | 描述 | 操作 |
| SN74LS221DBR [更多] | Texas Instruments | IC MONO MULTIVIBRATR DUAL 16SSOP RoHS: Compliant Min Qty 1 Container Cut Tape | 搜索 查看资料 |
| SN74LS221DBR [更多] | Texas Instruments | IC MONO MULTIVIBRATR DUAL 16SSOP RoHS: Compliant Min Qty 1 Container Digi-Reel | 搜索 查看资料 |
| SN74LS221DBR [更多] | Texas Instruments | IC MONO MULTIVIBRATR DUAL 16SSOP RoHS: Compliant Min Qty 2000 Container Reel | 搜索 查看资料 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74LS221DBR [更多] | Texas Instruments | Monostable Multivibrator Dual w/Schmitt-trgr inputs RoHS: Compliant | 搜索 |
| SN74LS221DBRE4 [更多] | Texas Instruments | Monostable Multivibrator Dual w/Schmitt-trgr inputs RoHS: Compliant | 搜索 |
| SN74LS221DBRG4 [更多] | Texas Instruments | Monostable Multivibrator Dual Monostable Multivibrators RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74LS221DBR [更多] | Texas Instruments | Monostable Multivibrator Dual 16-Pin SSOP T/R - Tape and Reel (Alt: SN74LS221DBR) RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74LS221DB [更多] | Texas Instruments | 搜索 |