Details, datasheet, quote on part number: STLV3243ECTR
PartSTLV3243ECTR
CategoryCommunication and Interfaces => IC Interfaces => IC Interfaces => 7838403
TitleTRIPLE LINE TRANSCEIVER, PDSO28
Description
CompanyST Microelectronics, Inc.
DatasheetDownload STLV3243ECTR datasheet
Specifications 
TechnologyRS232
Device TypeTransceiver
Supply Voltage3V
Operating Temperature-40 to 85 C (-40 to 185 F)
Package TypeSO-28
Pins28
FeaturesRoHS

 

Features, Applications

ESD PROTECTION FOR RS-232 I/O PINS: 8KV IEC 1000-4-2 CONTACT DISCHARGE 15KV HUMAN BODY MODEL 1A SUPPLY CURRENT ACHIEVED WHEN IN AUTO-POWERDOWN 250Kbps MINIMUM GUARANTEED DATA RATE GUARANTEED 6V/s SLEW RATE RANGE GUARANTEED MOUSE DRIVEABILITY 0.1F EXTERNAL CAPACITORS MEET EIA/TIA-562 SPECIFICATIONS AVAILABLE SSOP-28, TSSOP28 AND 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 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 ORDERING CODES

supply current is reduced to 1A. 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.

Package SO-28 (Tube) SO-28 (Tube) SO-28 (Tape & Reel) SO-28 (Tape & Reel) SSOP-28 (Tape & Reel) SSOP-28 (Tape & Reel) TSSOP28 (Tape & Reel) TSSOP28 (Tape & Reel) FLIP-CHIP28

Comments 27parts per tube / 12tube per box 27parts per tube / 12tube per box 1000 parts per reel 1000 parts per reel 1350 parts per reel 1350 parts per reel 2500 parts per reel 2500 parts per reel coming soon coming soon

PlN N SYMBOL R1OUT R2OUTB INVALID FORCEOFF FORCEON C1GND VCC C1 + NAME AND FUNCTION Positive Terminal of Inverting Charge Pump Capacitor Negative Terminal of Inverting Charge Pump Capacitor -5.5V Generated by the Charge Pump First Receiver Input Voltage Second Receiver Input Voltage Third Receiver Input Voltage Fourth Receiver Input Voltage Fifth Receiver Input Voltage First Transmitter Output Voltage Second Transmitter Output Voltage Third Transmitter Output Voltage Third Transmitter Input Voltage Second Transmitter Input Voltage First Transmitter Input Voltage Fifth Receiver Output Voltage Fourth Receiver Output Voltage Third Receiver Output Voltage Second Receiver Output Voltage First Receiver Output Voltage Non-inverting Complementary Receiver Output, always active for wake-up Output of the valid signal detector. Indicates if a valid RS-232 level is present on receiver inputs logic "1" Drive low to shut down transmitters and on-board power supply. This over-rides all automatic circuitry and FORCEON Drive high to override automatic circuitry keeping transmitters on (FORCEOFF must be high) Negative Terminal of Voltage- Charge Pump Capacitor Ground Supply Voltage 5.5V Generated by the Charge Pump Positive Terminal of Voltage- Charge Pump Capacitor

PlN E5 E6 SYMBOL + V+ VCC FORCEON R1OUT R3OUT GND C1FORCEOFF INVALID R2OUTB R2OUT NAME AND FUNCTION Second Receiver Input Voltage Third Receiver Input Voltage Fourth Receiver Input Voltage Fifth Receiver Input Voltage First Transmitter Output Voltage Second Transmitter Output Voltage -5.5V Generated by the Charge Pump First Receiver Input Voltage Third Transmitter Output Voltage Third Transmitter Input Voltage First Transmitter Input Voltage Second Transmitter Input Voltage Positive Terminal of Inverting Charge Pump Capacitor Negative Terminal of Inverting Charge Pump Capacitor Fourth Receiver Output Voltage Fifth Receiver Output Voltage Positive Terminal of Voltage- Charge Pump Capacitor 5.5V Generated by the Charge Pump Supply Voltage Drive high to override automatic circuitry keeping transmitters on (FORCEOFF must be high) First Receiver Output Voltage Third Receiver Output Voltage Ground Negative Terminal of Voltage- Charge Pump Capacitor Drive low to shut down transmitters and on-board power supply. This over-rides all automatic circuitry and FORCEON Output of the valid signal detector. Indicates if a valid RS-232 level is present on receiver inputs logic "1" Non-inverting Complementary Receiver Output, always active for wake-up Second Receiver Output Voltage


 

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