ST3243ECTR STMicroelectronics, ST3243ECTR Datasheet

Buffers & Line Drivers Transcvr 3Drvr/5Rcvr

ST3243ECTR

Manufacturer Part Number
ST3243ECTR
Description
Buffers & Line Drivers Transcvr 3Drvr/5Rcvr
Manufacturer
STMicroelectronics
Datasheet

Specifications of ST3243ECTR

Supply Voltage (max)
5.5 V
Supply Voltage (min)
3 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
TSSOP-28
Data Rate
0.4 Mbps
Interface
EIA/TIA-232. RS-232
Minimum Operating Temperature
0 C
Supply Current
10 mA
Lead Free Status / Rohs Status
No RoHS Version Available

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Part Number:
ST3243ECTR-E
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ST3243ECTR-E
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Part Number:
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Part Number:
ST3243ECTR-E@@@@@@
Manufacturer:
ST
0
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
electrostatic discharge (ESD) protection. All
transmitter
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 ST3243E has a proprietary low-dropout
transmitter output stage enabling true RS-232
performance from a 3.0V to 5.5V 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
March 2004
ESD PROTECTION FOR RS-232 I/O PINS:
±8KV IEC 1000-4-2 CONTACT DISCHARGE
±15KV HUMAN BODY MODEL
1 A SUPPLY CURRENT ACHIEVED WHEN
IN AUTO-POWERDOWN
250Kbps MINIMUM GUARANTEED DATA
RATE
GUARANTEED 6V/ s SLEW RATE RANGE
GUARANTEED MOUSE DRIVEABILITY
0.1 F EXTERNAL CAPACITORS
MEET EIA/TIA-232 SPECIFICATIONS DOWN
TO 3V
AVAILABLE IN SO-28, SSOP-28, TSSOP28
AND FLIP-CHIP28 PACKAGES
data
outputs and
rate
RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
capability
±15KV ESD PROTECTED 3 TO 5.5V, 400KBPS,
receiver
and
input
enhanced
are
disabled. If FORCEOFF is set low, both drivers
and receivers (expert R2B) are shut off, and
supply current is reduced to 1 A. Disconnecting
the serial port or turning off the peripheral drives
causes the auto-powerdown condition to occur.
Auto-powerdown
FORCEON and FORCEOFF are high, and should
be done when driving a serial mouse. With
Auto-powerdown 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.
SSOP
SOP
can
be
Flip-Chip28
ST3243E
TSSOP
disabled
when
1/18

Related parts for ST3243ECTR

ST3243ECTR Summary of contents

Page 1

ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN ESD PROTECTION FOR RS-232 I/O PINS: ±8KV IEC 1000-4-2 CONTACT DISCHARGE ±15KV HUMAN BODY MODEL 1 A SUPPLY CURRENT ACHIEVED WHEN IN AUTO-POWERDOWN 250Kbps MINIMUM GUARANTEED DATA RATE GUARANTEED ...

Page 2

... ST3243E ORDERING CODES Temperature Type Range ST3243ECD 0 to 70°C ST3243EBD -40 to 85°C ST3243ECDR 0 to 70°C ST3243EBDR -40 to 85°C ST3243ECPR 0 to 70°C ST3243EBPR -40 to 85°C ST3243ECTR 0 to 70°C ST3243EBTR -40 to 85°C ST3243ECJ 0 to 70°C ST3243EBJ -40 to 85°C PIN DESCRIPTION PlN N° SYMBOL ...

Page 3

PIN DESCRIPTION PlN N° SYMBOL FORCEON FORCEOFF E4 INVALID Second Receiver Input ...

Page 4

ST3243E PIN CONFIGURATION SOP, SSOP, TSSOP (top view) INVALID TRUTH TABLE RS-232 SIGNAL PRESENT AT ANY RECEIVER INPUT YES NO OUTPUT CONTROL TRUTH TABLE FORCE FORCE VALID RECEIVER ON OFF LEVEL YES ...

Page 5

ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage CC Doubled Voltage Terminal V+ V- Inverted Voltage Terminal V+ +|V-| FORCEON, Input Voltage FORCEOFF Receiver Input Voltage Range IN T Transmitter Output Voltage Range OUT R R Receiver Output ...

Page 6

ST3243E AUTO-POWERDOWN ELECTRICAL CHARACTERISTICS ( 0 5.5V Typical values are referred Symbol Parameter V Receiver Input Threshold to RITE INVALID Output Voltage HIGH (Fig. 1) ...

Page 7

TIMING CHARACTERISTICS ( 0 5.5V Typical values are referred Symbol Parameter D Maximum Data Rate R t Receiver Propagation Delay R PHL t PLH t ...

Page 8

ST3243E APPLICATION CIRCUITS REQUIRED MINIMUM CAPACITANCE VALUE ( 3.6 4.5 to 5.5 8/ 0.1 0.047 BYPASS 0.1 0.33 ...

Page 9

AUTOPOWERDOWN INPUT LEVELS AUTOPOWERDOWN INPUT TIMING ST3243E 9/18 ...

Page 10

ST3243E DIM. MIN 0.1 b 0. 17.70 E 10. 7.40 L 0.50 S 10/18 SO-28 MECHANICAL DATA mm. TYP MAX. MIN. 2.65 0.3 0.004 0.49 0.014 0.32 0.009 0.5 45˚ ...

Page 11

SSOP28 MECHANICAL DATA mm. DIM. MIN. TYP A A1 0.050 A2 1.65 1.75 b 0.22 c 0.09 D 9.9 10.2 E 7.4 7 5.3 e 0.65 BSC K 0˚ L 0.55 0.75 inch MAX. MIN. TYP. 2 0.002 ...

Page 12

ST3243E TSSOP28 MECHANICAL DATA DIM. MIN 0.05 A2 0.8 b 0.19 c 0.09 D 9.6 E 6 0˚ L 0.45 12/18 mm. TYP MAX. MIN. 1.2 0.15 0.002 1 1.05 0.031 0.30 0.007 0.20 ...

Page 13

Flip-Chip28 MECHANICAL DATA mm. DIM. MIN. TYP A 0.58 A1 0.24 A2 0.65 b 0.25 0.30 D 3.97 D1 2 0.45 f 0.23 f1 0.80 mils MAX. MIN. TYP. 0.95 22.8 9.4 25.6 0.35 9.8 ...

Page 14

ST3243E Tape & Reel SO-28 MECHANICAL DATA DIM. MIN 12 10.8 Bo 18.2 Ko 2.9 Po 3.9 P 11.9 14/18 mm. TYP MAX. MIN. 330 13.2 0.504 0.795 2.362 30.4 11.0 0.425 ...

Page 15

Tape & Reel SSOP28 MECHANICAL DATA mm. DIM. MIN. TYP A C 12 8.4 Bo 10.7 Ko 2.9 Po 3.9 P 11.9 inch MAX. MIN. TYP. 330 13.2 0.504 0.795 2.362 22.4 8.6 0.331 ...

Page 16

ST3243E Tape & Reel TSSOP28 MECHANICAL DATA DIM. MIN 12 6.8 Bo 10.1 Ko 1.7 Po 3.9 P 11.9 16/18 mm. TYP MAX. MIN. 330 13.2 0.504 0.795 2.362 22.4 7 0.268 ...

Page 17

Tape & Reel Flip-Chip28 MECHANICAL DATA mm. DIM. MIN. TYP A C 12 2.6 Bo 4.1 Ko 1.1 Po 3.9 P 3.9 inch MAX. MIN. TYP. 330 13.2 0.504 0.795 2.362 18.4 2.8 0.102 ...

Page 18

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...

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