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MAX3238EIPW Datasheet(PDF) 2 Page - Texas Instruments |
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MAX3238EIPW Datasheet(HTML) 2 Page - Texas Instruments |
2 / 22 page www.ti.com DESCRIPTION/ORDERING INFORMATION (CONTINUED) MAX3238E 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV ESD (HBM) PROTECTION SLLS710A – FEBRUARY 2006 – REVISED APRIL 2006 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) ORDERABLE PART NUMBER TOP-SIDE MARKING Tube of 50 MAX3238ECDB SSOP – DB MAX3238EC Reel of 2000 MAX3238ECDBR Tube of 50 MAX3238ECPW 0 °C to 70°C TSSOP – PW MP238EC Reel of 2000 MAX3238ECPWR SOIC – DW Reel of 2000 MAX3238ECDWR MAX3238EC QFN – RHB Reel of 2000 MAX3238ECRHBR Preview Tube of 50 MAX3238EIDB SSOP – DB MAX3238EI Reel of 2000 MAX3238EIDBR Tube of 50 MAX3238EIPW –40 °C to 85°C TSSOP – PW MP238EI Reel of 2000 MAX3238EIPWR SOIC – DW Reel of 2000 MAX3238ICDWR MAX3238EI QFN – RHB Reel of 2000 MAX3238EIRHBR Preview (1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 2 Submit Documentation Feedback |
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