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STLV3243E Datasheet(PDF) 1 Page - STMicroelectronics |
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STLV3243E Datasheet(HTML) 1 Page - STMicroelectronics |
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1/13 May 2005 I ESD PROTECTION FOR RS-232 I/O PINS: ±8KV IEC 1000-4-2 CONTACT DISCHARGE ±15KV HUMAN BODY MODEL I 1 µA SUPPLY CURRENT ACHIEVED WHEN IN AUTO-POWERDOWN I 250Kbps MINIMUM GUARANTEED DATA RATE I GUARANTEED 6V/ µs SLEW RATE RANGE I GUARANTEED MOUSE DRIVEABILITY I 0.1 µF EXTERNAL CAPACITORS I MEET EIA/TIA-562 SPECIFICATIONS I AVAILABLE IN FLIP-CHIP28 PACKAGES DESCRIPTION The STLV3243E device consists of 3 drivers, 5 receivers and a dual charge-pump circuit. All transmitter outputs and receiver inputs are protected up to ±8KV USING IEC 1000-4-2 contact discharge and ±15KV using the Human Body Model. The receiver R2 is always active to implement a wake-up feature for serial port. The device is guaranteed to run at data rates of 250kbps while maintaining RS-562 output levels. The Auto-powerdown feature operates when FORCEON is low and FORCEOFF is high. During this operation mode, if the device does not sense a valid RS-562 signal, the driver outputs are disabled. If FORCEOFF is set low, both drivers and receivers (expert R2B) are shut off, and supply current is reduced to 1 µA. Disconnecting the serial port or turning off the peripheral drives causes the auto-powerdown condition to occur. Auto-powerdown can be disabled when FORCEON and FORCEOFF are high, and this should be done when driving a serial mouse. With Auto-powerdown enabled, the device is automatically activated when a valid signal is applied to any receiver input. Typical applications are notebooks, PDAs, smart-phones, hand-held equipment, palmtop computers, peripherals, battery-powered equipment, and printers. Table 1: Order Codes Type Temperature Range Package Comments STLV3243EBJR -40 to 85 °C FLIP-CHIP28 (6x5mm) 2500 parts per reel STLV3243E ±15KV ESD PROTECTED 2.3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN Flip-Chip28 Rev. 2 |
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