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TRSF3238ECDBG4 Datasheet(PDF) 2 Page - Texas Instruments |
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TRSF3238ECDBG4 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 20 page www.ti.com DESCRIPTION/ORDERING INFORMATION (CONTINUED) TRSF3238E 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV ESD (HBM) PROTECTION SLLS826 – AUGUST 2007 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 occurs if there is no activity in the logic levels for the driver inputs. 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. INVALID is low (invalid data) if all receiver input voltages are between –0.3 V and 0.3 V for more than 30 μs. Refer to Figure 5 for receiver input levels. ORDERING INFORMATION TA PACKAGE(1)(2) ORDERABLE PART NUMBER TOP-SIDE MARKING QFN – RHB Reel of 2000 TRSF3238ECRHBR RS38EC Tube of 50 TRSF3238ECDW SOIC – DW TRS3238EC Reel of 2000 TRSF3238ECDWR 0 °C to 70°C Tube of 50 TRSF3238ECDB SSOP – DB TRS3238EC Reel of 2000 TRSF3238ECDBR Tube of 50 TRSF3238ECPW TSSOP – PW RS38EC Reel of 2000 TRSF3238ECPWR QFN – RHB Reel of 2000 TRSF3238EIRHBR RS38EI Tube of 50 TRSF3238EIDW SOIC – DW TRS3238EI Reel of 2000 TRSF3238EIDWR –40 °C to 85°C Tube of 50 TRSF3238EIDB SSOP – DB TRS3238EI Reel of 2000 TRSF3238EIDBR Tube of 50 TRSF3238EIPW TSSOP – PW RS38EI Reel of 2000 TRSF3238EIPWR (1) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging. (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. 2 Submit Documentation Feedback |
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