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S32K311NHT0MPAST Datasheet(PDF) 68 Page - NXP Semiconductors |
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S32K311NHT0MPAST Datasheet(HTML) 68 Page - NXP Semiconductors |
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68 / 143 page  Table 25. GPIO DC electrical specifications, 5.0V (4.5V - 5.5V) (continued) Symbol Description Min Typ Max Unit Condition Spec Number IOHT Output high current total for all ports 7 — — 100 mA — — 1. Maximum length of RESET pulse will be filtered by an internal filter on this pin. 2. Minimum length of RESET pulse, guaranteed not to be filtered by the internal filter. 3. A positive value is leakage flowing into pin with pin at VDD_HV_A/B (the GPIO supply level); a negative value is leakage flowing out the pin with the pin at ground. 4. GPIO output transition time information can be obtained from the device IBIS model. IBIS models are recommended for system level simulations, as discrete values for I/O transition times are not representative of the I/O pad behavior when connected to an actual transmission line load. 5. I/O output current specifications are valid for the given reference load figure, and the constraints given in the Operating Conditions of this document. 6. I/O timing specifications are valid for the un-terminated 50ohm transmission line reference load given in the figure below. A lumped 8pF load is assumed in addition to a 5 inch microstrip trace on standard FR4 with approximately 3.3pF/inch.. For best signal integrity, the series resistance in the transmission line should be matched closely to the selected output resistance (ROUT_*) of the I/O pad. 7. To determine total switching current on any I/O supply, current values per output pin should not be incrementally summed. I/O interfaces on the device are asynchronous to each other, so not all switching occurs at the same instant. Actual use case must be considered. RDSON RPCB = RDSON PCB External device MCUsee note 1 RDSON 5 in. (4 layer FR4) CPCB = ~3.3 pF/inch * 5 inch CL = 8 pF 1. See IBIS models for further details. Notes: Figure 31. Reference Load Diagram 7.3 5.0V (4.5V - 5.5V) GPIO Output AC Specification Table 26. 5.0V (4.5V - 5.5V) GPIO Output AC Specification Symbol Description Min Typ Max Unit Condition Spec Number TR_TF_50_S 5.0V Standard GPIO rise/fall time 1,2,3 5 — 21 ns CL (max) = 25pF — TR_TF_50_S 5.0V Standard GPIO rise/fall time 1,2,3,4 8.5 — 31 ns CL (max) = 50pF — TR_TF_50_SP 5.0V Standard Plus GPIO rise/fall time 1,2,3 3 — 13.2 ns DSE=0 CL (max) = 25pF — Table continues on the next page... NXP Semiconductors I/O parameters S32K3xx Data Sheet, Rev. 9.1, 03/2024 Data Sheet: Technical Data Preliminary Information for S32K388 68 / 143 |
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