15 kV ESD PROTECTED 3 TO 5.5 V, 400 kbps, RS-232 TRANSCEIVER WITH AUTO POWER-DOWN, [-40oC, 85oC] TEMPERATURE RANGE

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  • The ST3243E device consists of 3 drivers, 5 receivers and a dual charge-pump circuit. The device meets the requirements of EIA/TIA and V.28/V.24 communication standards providing high data rate capability and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver input are protected to ±8 kV USING IEC 1000-4-2 contact discharge and ±15 kV using the human body model. The receiver R2 is always active to implement a wake-up feature for serial port.

    The ST3243E has a proprietary low-dropout transmitter output stage enabling true RS-232 performance from a 3.0 V to 5.5 V supply with a dual charge pump. The device is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels.
    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, 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 power-down condition to occur.
    Auto power-down can be disabled when FORCEON and FORCEOFF are high, and should be done when driving a serial mouse. With auto power-down enabled, the device is activated automatically when a valid signal is applied to any receiver input.
    Typical application are in notebook, subnotebook, palmtop computers, battery-powered equipment, hand-held equipment, peripherals and printers.

    Key Features

    • Meet EIA/TIA-232 specifications down to 3 V
    • 0.1 µF external capacitors
    • ESD protection for RS-232 I/O pins: ±8 kV IEC 1000-4-2 contact discharge ±15 kV human body model
    • 250 Kbps minimum guaranteed data rate
    • 1 µA supply current achieved when in auto power-down
    • Guaranteed mouse drive ability
    • Available in SO-28, SSOP-28, TSSOP28 and flip-chip28 packages
    • Guaranteed 6 V/ms slew rate range

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Part Number
Package
Packing Type
Temperature (°C) Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
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min
max
ST3243EBTR TSSOP28 9.7 x 4.4 Tape And Reel -40 85
Active
1.31 1000 EAR99
MORE INFO

Country of Origin:

MALAYSIA

Check Availability

Distributor availability ofST3243EBTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 14826 1 Order Now
AVNET AMERICA 2500 0 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
ARROW EUROPE 5000 0 Order Now
ARROW AMERICA 7500 2500 Order Now
MOUSER WORLDWIDE 2434 1 Order Now

Distributor reported inventory date: 2019-10-16

Distributor Name

DIGIKEY

Stock

14826

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

2500

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

5000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

7500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

2434

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-10-16

Buy now

ST3243EBTR

Package

TSSOP28 9.7 x 4.4

Packing Type

Tape And Reel

Unit Price (US$)

1.31*

Distributor availability ofST3243EBTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 14826 1 Order Now
AVNET AMERICA 2500 0 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
ARROW EUROPE 5000 0 Order Now
ARROW AMERICA 7500 2500 Order Now
MOUSER WORLDWIDE 2434 1 Order Now

Distributor reported inventory date: 2019-10-16

Distributor Name

DIGIKEY

Stock

14826

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

2500

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

5000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

7500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

2434

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-10-16

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

1.31

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Technical Documentation

    • Description Version Size Action
      DS2695
      ± 15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto power-down
      12.1
      627.59 KB
      PDF
      DS2695

      ± 15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto power-down

Publications and Collaterals

    • Description Version Size Action
      Products and solutions for Smart industry 3.0
      2.99 MB
      PDF

      Products and solutions for Smart industry

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
ST3243EBTR
Active
TSSOP28 9.7 x 4.4 Industrial Ecopack3

ST3243EBTR

Package:

TSSOP28 9.7 x 4.4

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP28 9.7 x 4.4

Grade

Industrial

RoHS Compliance Grade

Ecopack3

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.