ST3243EBTR - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ST3243EBTR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW55084536
Category

Interface IC, Interface Controller
Package

TSSOP-28
Description

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

Datasheet

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ST3243EBTR Specifications

Attribute	Attribute Value

Part Number	ST3243EBTR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW55084536
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	TSSOP-28
Supply Voltage (DC)	5.50V (max)
Supply Current	1 mA
Data Rate	400 kbps
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3V ~ 5.5V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

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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