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SN75C3238EDWR Datasheet(PDF) 2 Page - Texas Instruments |
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SN75C3238EDWR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 17 page www.ti.com DESCRIPTION/ORDERING INFORMATION (CONTINUED) SN65C3238E ,, SN75C3238E 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVERS/RECEIVERS WITH ±15-kV ESD (HBM) PROTECTION SLLS726 – MAY 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 devices do 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 devices activate 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 SN75C3238EDB SSOP – DB 75C3238E Reel of 2000 SN75C3238EDBR Tube of 50 SN75C3238EPW TSSOP – PW Preview 0 °C to 70°C Reel of 2000 SN75C3238EPWR Tube of 50 SN75C3238EDW SOIC – DW 75C3238E Reel of 2000 SN75C3238EDWR QFN – RHB Reel of 2000 SN75C3238ECRHBR Preview Tube of 50 SN65C3238EDB SSOP – DB 65C3238E Reel of 2000 SN65C3238EDBR Tube of 50 SN65C3238EPW TSSOP – PW Preview –40 °C to 85°C Reel of 2000 SN65C3238EPWR Tube of 50 SN65C3238EDW SOIC – DW 65C3238E Reel of 2000 SN65C3238EDWR QFN – RHB Reel of 2000 SN65C3238EIRHBR 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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