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SPC572LX датащи(PDF) 31 Page - STMicroelectronics |
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SPC572LX датащи(HTML) 31 Page - STMicroelectronics |
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31 / 112 page ![]() DocID027866 Rev 5 31/112 SPC572Lx Electrical characteristics 111 Table 16 shows the STRONG configuration output buffer electrical characteristics. 4. Transition time maximum value is approximated by the following formula: 0 pF < CL < 50 pFtTR_M(ns) = 5.6 ns + CL(pF) × 1.11 ns/pF 50 pF < CL < 200 pFtTR_M(ns) = 13 ns + CL(pF) × 0.96 ns/pF 5. Only for VDD_HV_IO_JTAG segment when VSIO[VSIO_IJ] = 0 or VDD_HV_IO_ETH segment when VSIO[VSIO_IF] = 0 Table 16. STRONG configuration output buffer electrical characteristics Symbol C Parameter Conditions(1) Value(2) Unit Min Typ Max ROH_S CC P PMOS output impedance STRONG configuration 4.5 V < VDD_HV_IO < 5.5 V Push pull, IOH < 8 mA 30 50 65 Ω ROL_S CC P NMOS output impedance STRONG configuration 4.5 V < VDD_HV_IO < 5.5 V Push pull, IOL < 8 mA 30 50 65 Ω fMAX_S CC T Output frequency STRONG configuration CL = 25 pF(3) —— 40 MHz CL = 50 pF(3) —— 20 CL = 200 pF(3) —— 5 tTR_S CC T Transition time output pin STRONG configuration(4) CL = 25 pF 4.5 V < VDD_HV_IO < 5.5 V 2.5 — 10 ns CL = 50 pF 4.5 V < VDD_HV_IO < 5.5 V 3.5 — 16 CL = 200 pF 4.5 V < VDD_HV_IO < 5.5 V 13 — 50 CL = 25 pF, 3.0 V < VDD_HV_IO < 3.6 V(5) 4— 15 CL = 50 pF, 3.0 V < VDD_HV_IO < 3.6 V(5) 6— 27 CL = 200 pF, 3.0 V < VDD_HV_IO < 3.6 V(5) 20 — 83 IDCMAX_S CC D Maximum DC current — — — 10 mA |tSKEW_S| CC T Difference between rise and fall time —— — 25 % |
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