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| PartNumber | FT7521L6X | FT7521L6X , 1SMC8.0AT3 | FT7521FHX |
| Description | Timers & Support Products Reset Timer w/Fixed Delay & Reset Pulse | Timers & Support Products Reset Timer w/ Fixed Delay & Reset Pulse | |
| Manufacturer | ON Semiconductor | - | Fairchild Semiconductor |
| Product Category | Timers & Support Products | - | PMIC - Supervisors |
| RoHS | Y | - | - |
| Series | FT7521 | - | - |
| Supply Voltage Max | 5 V | - | - |
| Supply Voltage Min | 1.65 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | MicroPAK-6 | - | - |
| Packaging | Reel | - | Digi-ReelR Alternate Packaging |
| Brand | ON Semiconductor / Fairchild | - | - |
| Pd Power Dissipation | 5 mW | - | - |
| Product Type | Timers & Support Products | - | - |
| Factory Pack Quantity | 5000 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Unit Weight | 1.058219 oz | - | 0.000705 oz |
| Type | - | - | Reset Timer |
| Package Case | - | - | MicroPak2-6 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | 6-MicroPak2 |
| Output | - | - | Open Drain or Open Collector |
| Reset | - | - | Active Low |
| Number of Voltages Monitored | - | - | |
| Reset Timeout | - | - | 320 ms Minimum |
| Voltage Threshold | - | - | - |
| Pd Power Dissipation | - | - | 5 mW |
| Operating Supply Current | - | - | 1 uA |
| Supply Voltage Max | - | - | 5 V |
| Supply Voltage Min | - | - | 1.8 V |
| Low Level Output Current | - | - | 3 mA |
| Number of Internal Timers | - | - | 1 Timer |