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TRSF3243CPWR-TRSF3243IDB-TRSF3243IPWR Fast Delivery,Good Price
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Partno Mfg Dc Qty AvailableDescript
TRSF3243CPWRTIN/a165avai3-V to 5.5-V Multichannel RS-232 Compatible Line Driver/Receiver 28-TSSOP
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TRSF3243IDB ,3-V to 5.5-V Multichannel RS-232 Compatible Line Driver/Receiver 28-SSOP .FUNCTION TABLES(1)EACH DRIVERINPUTSOUTPUTDRIVER STATUSVALID RINDOUTDIN FORCEON FORCEOFFRS-232 LEVE ..
TRSF3243IPWR ,3-V to 5.5-V Multichannel RS-232 Compatible Line Driver/Receiver 28-TSSOP -40 to 85FEATURESDB, DW, OR PW PACKAGE• Operates With 3-V to 5.5-V V SupplyCC (TOP VIEW)• Always-Active Noni ..
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TRSF3243CPWR-TRSF3243IDB-TRSF3243IPWR
3-V to 5.5-V Multichannel RS-232 Compatible Line Driver/Receiver 28-SSOP
1FEATURES
APPLICATIONS

C2+
C2−
RIN1
RIN2
RIN3
RIN4
RIN5
DOUT1
DOUT2
DOUT3
DIN3
DIN2
DIN1
C1+
VCC
GND
C1−
FORCEON
FORCEOFF
INVALID
ROUT2B
ROUT1
ROUT2
ROUT3
ROUT4
ROUT5
DB, DW, OR PW PACKAGE
(TOP VIEW)
DESCRIPTION/ORDERING INFORMATION
3-V TO 5.5-V MULTICHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER
Operates Withto 5.5-V VCC Supply Always-Active Receiver Output
(ROUT2B)
Low Standby...1 μA Typ External Capacitors...4× 0.1 μF Accepts 5-V Logic Input With 3.3-V Supply Inter-Operable SN65C3238, SN75C3238 Supports Operation From 250 kbit/sto Mbit/s RS-232 Bus-Pin Protection Exceeds
±15 kV Using Human-Body Model (HBM)
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class
Battery-Powered PDAs Notebooks Laptops Palmtop PCs Hand-Held Equipment
The TRSF3243 consistsof three line drivers, five line receivers,a dual charge-pump circuit with ±15-kV ESD
protection pinto pin connection pins, including GND). This device provides the electrical interface
between an asynchronous communication controller and the connector. The charge pump and four
small external capacitors allow operation froma single 3-Vto supply.In addition, this device includes an
always-active noninverting output (ROUT2B), which allows applications using the ring indicatorto transmit data
while the deviceis down. The device operatesat data rates upto1 Mbit/s andan increased
slew-rate rangeofto 150 V/μs.
Flexible control options for power management are available when the serial port is inactive. The
auto-powerdown feature functions when FORCEONis low FORCEOFFis high. During this modeof
operation,if the device does not sensea valid RS-232 signal, driver outputs are disabled.If FORCEOFFis
set low, both drivers receivers (except ROUT2B) are shut and the supply currentis reducedto1 μA.
Disconnecting the serial portor turningoff the peripheral drivers the auto-powerdown conditionto occur.
Auto-powerdown can disabled when FORCEON and FORCEOFF are high and should be done when driving serial mouse. With auto-powerdown enabled, the device automatically whena valid signalis
appliedto any receiver input. The INVALID outputis usedto notify the userif an RS-232 signalis presentat any
receiver input. INVALIDis high (valid data)if any receiver inputis greater than 2.7Vor less than –2.7V has been between –0.3V and 0.3V for less than 30 μs.is low (invalid data)ifall receiver input
voltages are betweenV and 0.3V for more than30 μs. Referto Figure5 for receiver input levels.
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