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PCA9519BS Datasheet(PDF) 8 Page - NXP Semiconductors |
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PCA9519BS Datasheet(HTML) 8 Page - NXP Semiconductors |
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8 / 18 page  PCA9519_2 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 02 — 13 August 2007 8 of 18 NXP Semiconductors PCA9519 4-channel level translating I2C-bus/SMBus repeater [1] Typical values with VCC(A) = 1.1 V, VCC(B) = 5.0 V. [2] VIL specification is for the falling edge seen by the port A input. VILc is for the static LOW levels seen by the port A input resulting in port B output staying LOW. [3] The port A current source has a typical value of about 1 mA, but varies with both VCC(A) and VCC(B). Below VCC(A) of about 0.7 V the port A current source current drops to 0 mA. The current source current dropping across the internal pull-down driver resistance of about 200 Ω defines the V OL. [4] As long as the chip ground is common with the input ground reference the driver resistance may be as large as 120 Ω. However, ground offset will rapidly decrease the maximum allowed driver resistance. [5] Guaranteed by design. Input and output of port B (B1 to B8) VIH HIGH-level input voltage 0.7VCC(B) -VCC(B) V VIL LOW-level input voltage −0.5 - +0.3VCC(B) V VIK input clamping voltage IL = −18 mA −1.5 - −0.5 V ILI input leakage current VI = 3.6 V −1.0 - +1.0 µA IIL LOW-level input current VI = 0.2 V - - 10 µA VOL LOW-level output voltage IOL = 6 mA - 0.1 0.2 V ILOH HIGH-level output leakage current VO = 3.6 V - - 10 µA Cio input/output capacitance - 6 7 pF Enable VIL LOW-level input voltage −0.5 - +0.1VCC(A) V VIH HIGH-level input voltage 0.9VCC(A) -VCC(B) V IIL(EN) LOW-level input current on pin EN VI = 0.2 V, EN; VCC = 3.6 V −1- +1 µA ILI input leakage current −1- +1 µA Ci input capacitance VI = 3.0 V or 0 V - 2 3 pF Table 4. Static characteristics …continued GND = 0 V; Tamb = −40 °C to +85 °C; unless otherwise specified. Symbol Parameter Conditions Min Typ[1] Max Unit |
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