 | M74HC253RM13TR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC251TTR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC251RM13TR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC251B1R | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC245TTR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC245RM13TR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC245B1R | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC244TTR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC244RM13TR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC244B1R | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC240RM13TR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC240B1R | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC238RM13TR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC238B1R | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC237RM13TR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC237B1R | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC221RM13TR | 3000 | ST | | | | Dual/Triple Ultra Low Volt. Supervisor* | 购买 |
| M74HC221B1R | 3000 | ST | | | | Dual/Triple Supervisor with Push- Button Reset* | 购买 |
| M74HC175TTR | 3000 | ST | | | | Dual/Triple Supervisor with Push- Button Reset* | 购买 |
| M74HC175RM13TR | 3000 | ST | | | | Dual/Triple Supervisor with Push- Button Reset* | 购买 |
