SN65C3223 Datasheet | Texas Instruments

description /ordering information The SN65C3223 and SN75C3223 consist of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-k V ESD protection pin to pin (serial-port connection pins, including GND). The devices provide the electrical interface between an asynchronous munication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The devices operate at data signaling rates up to 1 Mbit/s and a driver output slew rate of 24 V/µs to 150 V/µs Flexible control options for power management are available when the serial port is inactive. The auto-powerdown feature functions when FORCEON is low and FORCEOFF is high. During this mode of operation, if the device does not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFF is set low and EN is high, both drivers and receivers are shut off, and the supply current is reduced to 1 µA. Disconnecting the serial port or turning off the peripheral drivers causes auto-powerdown to occur. Auto-powerdown can be disabled when FORCEON and FORCEOFF are high. With auto-powerdown enabled, the device is activated automatically when a valid signal is applied to any receiver input. The INVALID output is used to notify the user if an RS-232 signal is present at any receiver 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 the receiver input voltage is between - 0.3 V and 0.3 V for more than 30 µs. Refer to Figure 4 for receiver input levels. ORDERING INFORMATION PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING SOIC - DW Tube of 25 Reel of 2000 SN75C3223DW SN75C3223DWR 75C3223 0°C to 70°C SSOP - DB TSSOP - PW Reel of 2000 Tube of 70 Reel of 2000 SN75C3223DBR SN75C3223PW SN75C3223PWR CA3223 CA3223 SOIC - DW Tube of 25 Reel of 2000 SN65C3223DW...