| 型号 | 制造商 | 描述 | 操作 |
| MM74HC221AM [更多] | ON Semiconductor | Monostable Multivibrator Dl Monostab Multivib RoHS: Not compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| MM74HC221AM [更多] | Rochester Electronics LLC | (Alt: MM74HC221AM) RoHS: Not Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| MM74HC221AM [更多] | Rochester Electronics LLC | Oneshot | 搜索 |
| MM74HC221AM/A+ [更多] | Rochester Electronics LLC | Dual Non-Retriggerable Monostable Multivibrator | 搜索 |
| MM74HC221AMTC [更多] | Rochester Electronics LLC | Dual Non-Retriggerable Monostable Multivibrator | 搜索 |
| MM74HC221AMTCX [更多] | Rochester Electronics LLC | Dual Non-Retriggerable Monostable Multivibrator | 搜索 |
| MM74HC221AMX [更多] | Rochester Electronics LLC | Oneshot | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| MM74HC221AM [更多] | Freescale Semiconductor | Multivibrator, Monostable Type, 16 Pin, Plastic, SOP | 搜索 |
| MM74HC221AM [更多] | Fairchild Semiconductor Corporation | Multivibrator, Monostable Type, 16 Pin, Plastic, SOP | 搜索 |