| SYMBOL | PARAMETER | CONDITIONS | MIN | TYP | MAX | UNIT |
| IDR IDRM VSD | Continuous reverse drain current Pulsed reverse drain current Diode forward voltage | IF = 3.2 A; VGS = 0 V | | 0.85 | 3.2 1 3 1.1 | A A V |
| trr Qrr | Reverse recovery time Reverse recovery charge | IF = 3.2 A; -dIF/dt = 100 A/ s; VGS = -10 V; VR = 30 V | | 70 0.25 | | ns ccC |
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All the instructions related to jumping or branching should be restricted such that the destination address falls within the physical program memory space of the device, which is 1K for the AT89C1051 U. This should be the responsibility of the software programmer. For example, LJMP 3FEH would be a valid instruction for the AT89C1051U (with lK of memory), whereas LJMP 410H would not.