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MCIMX503CVM8B 数据表(PDF) 35 Page - Freescale Semiconductor, Inc |
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MCIMX503CVM8B 数据表(HTML) 35 Page - Freescale Semiconductor, Inc |
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35 / 134 page  Electrical Characteristics i.MX50 Applications Processors for Consumer Products, Rev. 2 Freescale Semiconductor 35 4.3.6 High Voltage I/O (HVIO) DC Parameters Table 22 shows the HVIO DC electrical operating conditions. The parameters are guaranteed per the operating ranges in Table 11, unless otherwise noted. Input current (100 K Ω PD) IIN VI = 0 VI=OVDD — — 0.25 36 μA External pull-up / pull-down resistor required to overdrive internal keeper Rext — — — 47 K Ω 1 To maintain a valid level, the transitioning edge of the input must sustain a constant slew rate (monotonic) from the current DC level through to the target DC level, VIL or VIH. Monotonic input transition time is from 0.1 ns to 1 s. VIL and VIH do not apply when hysteresis is enabled. 2 Hysteresis of 350 mV is guaranteed over all operating conditions when hysteresis is enabled. Table 22. HVIO DC Electrical Characteristics DC Electrical Characteristics Symbol Test Conditions MIN TYP MAX Units High-level output voltage Voh Ioh=-1mA Ioh=spec’ed Drive OVDD-0.15 0.8*OVDD —— V Low-level output voltage Vol Iol=1mA Iol=specified Drive — — 0.15 0.2*OVDD V High-level output current, low voltage mode Ioh_lv Voh=0.8*OVDD Low Drive Medium Drive High Drive -2.2 -4.4 -6.6 —— mA High-level output current, high voltage mode Ioh_hv Vol=0.8*OVDD Low Drive Medium Drive High Drive -5.1 -10.2 -15.3 —— mA Low-level output current, low voltage mode Iol_lv Voh=0.2*OVDD Low Drive Medium Drive High Drive 2.2 4.4 6.6 —— mA Low-level output current, high voltage mode Iol_hv Voh=0.2*OVDD Low Drive Medium Drive High Drive 5.1 10.2 15.3 —— mA High-Level DC input voltage1 VIH — 0.7*OVDD — OVDD V Low-Level DC input voltage VIL — 0V — 0.3*OVDD V Input Hysteresis VHYS OVDD=1.875 OVDD=3.0 0.25 0.36 0.80 —V Schmitt trigger VT+2 VT+ — 0.5*OVDD — — V Schmitt trigger VT- VT- — — — 0.5*OVDD V Table 21. LVIO DC Electrical Characteristics (continued) DC Electrical Characteristics Symbol Test Conditions MIN Typ MAX Units |
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