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PCA9549 Datasheet(PDF) 11 Page - NXP Semiconductors |
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PCA9549 Datasheet(HTML) 11 Page - NXP Semiconductors |
11 / 25 page PCA9549_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 13 July 2009 11 of 25 NXP Semiconductors PCA9549 Octal bus switch with individually I2C-bus controlled enables 9. Static characteristics [1] For operation between published voltage ranges, refer to the worst-case parameters in both ranges. [2] VDD must be lowered to 0.2 V in order to reset part. Table 6. Static characteristics at VDD = 2.3 V to 3.6 V VSS = 0 V; Tamb = −40 °C to +85 °C; unless otherwise specified. See Table 7 on page 12 for VDD = 4.5 V to 5.5 V[1]. Symbol Parameter Conditions Min Typ Max Unit Supply VDD supply voltage 2.3 - 3.6 V IDD supply current Operating mode; VDD = 3.6 V; no load; VI =VDD or VSS; fSCL = 100 kHz -20 50 µA Istb standby current Standby mode; VDD = 3.6 V; no load; VI =VDD or VSS - 0.1 1 µA VPOR power-on reset voltage no load; VI =VDD or VSS [2] - 1.6 2.1 V Input SCL; input/output SDA VIL LOW-level input voltage −0.5 - +0.3VDD V VIH HIGH-level input voltage 0.7VDD -6 V IOL LOW-level output current VOL = 0.4 V 3 - - mA VOL = 0.6 V 6 - - mA IL leakage current VI =VDD or VSS −1- +1 µA Ci input capacitance VI =VSS - 6 21 pF Select inputs A0 to A2, RESET VIL LOW-level input voltage −0.5 - +0.3VDD V VIH HIGH-level input voltage 0.7VDD -VDD + 0.5 V ILI input leakage current pin at VDD or VSS −1- +1 µA Ci input capacitance VI =VSS -2 5 pF Pass gate Ron ON-state resistance VDD = 3.0 V to 3.6 V; VO = 0.4 V; IO =15mA -7 12 Ω VDD = 2.3 V to 2.7 V; VO = 0.4 V; IO =10mA -8 15 Ω Vo(sw) switch output voltage Vi(sw) =VDD = 3.3 V; Io(sw) = −100 µA - 1.9 - V Vi(sw) =VDD = 3.0 V to 3.6 V; Io(sw) = −100 µA 1.6 - 2.8 V Vi(sw) =VDD = 2.5 V; Io(sw) = −100 µA - 1.5 - V Vi(sw) =VDD = 2.3 V to 2.7 V; Io(sw) = −100 µA 1.0 - 2.0 V IL leakage current VI =VDD or VSS −1- +1 µA Cio input/output capacitance VI =VSS -3 5 pF |
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