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FT232BQ Datasheet(PDF) 11 Page - Future Technology Devices International Ltd. |
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FT232BQ Datasheet(HTML) 11 Page - Future Technology Devices International Ltd. |
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11 / 25 page  DS232B Version 1.8 © Future Technology Devices Intl. Ltd. 2005 Page 11 of 25 FT232BM USB UART ( USB - Serial) I.C. 6.0 Absolute Maximum Ratings These are the absolute maximum ratings for the FT232BM device in accordance with the Absolute Maximum Rating System (IEC 60134). Exceeding these may cause permanent damage to the device. Parameter Value Units Storage Temperature –65oC to + 150oC Degrees C Floor Life (Out of Bag) at Factory Ambient (30oC/60% Relative Humidity) 192 Hours (Level 3 Compliant) **Note 2 Ambient Temperature (Power Applied) 0oC to + 70oC Degrees C M.T.B.F. (at 35oC) 247484 Hours ≈ 28 Years VCC Supply Voltage -0.5 to +6.00 V D.C. Input Voltage - USBDP and USBDM -0.5 to +3.8 V D.C. Input Voltage - High Impedance Bidirectionals -0.5 to +(Vcc +0.5) V D.C. Input Voltage - All other Inputs -0.5 to +(Vcc +0.5) V DC Output Current – Outputs 24 mA DC Output Current – Low Impedance Bidirectionals 24 mA Power Dissipation (VCC = 5.25V) 500 mW Electrostatic Discharge Voltage (Human Body Model) (I < 1uA) +/- 3000 V Latch Up Current (Vi = +/- 10V maximum, for 10 ms) +/-200 mA **Note 2 – If devices are stored out of the packaging beyond this time limit the devices should be baked before use. The devices should be ramped up to a temperature of 110oC and baked for 8 to 10 hours. 6.1 D.C. Characteristics DC Characteristics ( Ambient Temperature = 0 to 70oC ) Operating Voltage and Current Parameter Description Min Typ Max Units Conditions Vcc1 VCC Operating Supply Voltage 4.35 5.0 5.25 V Vcc2 VCCIO Operating Supply Voltage 3.0 - 5.25 V Icc1 Operating Supply Current - 25 - mA Normal Operation Icc2 Operating Supply Current - 180 200 uA USB Suspend **Note 3 **Note 3 – Supply current excludes the 200uA nominal drawn by the external pull-up resistor on USBDP. UART IO Pin Characteristics ( VCCIO = 5.0V ) Parameter Description Min Typ Max Units Conditions Voh Output Voltage High 3.2 4.1 4.9 V I source = 2mA Vol Output Voltage Low 0.3 0.4 0.6 V I sink = 2mA Vin Input Switching Threshold 1.3 1.6 1.9 V **Note 4 VHys Input Switching Hysteresis 50 55 60 mV |
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