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TRS3318ECDBR Datasheet(PDF) 2 Page - Texas Instruments |
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TRS3318ECDBR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 19 page www.ti.com ABC TRS3318E 2.5-V 460-kbps RS-232 TRANSCEIVER WITH ±15-kV ESD PROTECTION SLLS805 – APRIL 2007 ORDERING INFORMATION TA PACKAGE(1)(2) ORDERABLE PART NUMBER TOP-SIDE MARKING Tube of 70 TRS3318ECDB SSOP – DB RV318EC Reel of 2000 TRS3318ECDBR 0 °C to 70°C Tube of 70 TRS3318ECPW TSSOP – PW RV318EC Reel of 2000 TRS3318ECPWR Tube of 70 TRS3318EIDB SSOP – DB RV318EI Reel of 2000 TRS3318EIDBR –40 °C to 85°C Tube of 70 TRS3318EIPW TSSOP – PW RV318EI Reel of 2000 TRS3318EIPWR (1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. (2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com. DETAILED DESCRIPTION Flexible control options for power management are featured when the serial port and driver inputs are inactive. The auto-powerdown plus feature functions when FORCEON is low and FORCEOFF is high. During this mode of operation, if the device does not sense valid signal transitions on all receiver and driver inputs for approximately 30 s, the built-in charge pump and drivers are powered down, reducing the supply current to 1 µA. By disconnecting the serial port or placing the peripheral drivers off, auto-powerdown plus can be disabled when FORCEON and FORCEOFF are high. With auto-powerdown plus enabled, the device activates automatically when a valid signal is applied to any receiver or driver input. INVALID is high (valid data) if any receiver input voltage is greater than 2.7 V or less than –2.7 V, or has been between –0.3 V and 0.3 V for less than 30 µs (typical number). INVALID is low (invalid data) if all receiver input voltage are between –0.3 V and 0.3 V for more than 30 µs (typical number). 2 Submit Documentation Feedback |
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