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STLV3243E Datasheet(PDF) 1 Page - STMicroelectronics

Part No. STLV3243E
Description  ±15KV ESD PROTECTED 2.3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLV3243E Datasheet(HTML) 1 Page - STMicroelectronics

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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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