Figure 1. Pin connection

Figure 1. Pin connection

STMicroelectronicsSwitzerland

ST3232EBTR

ActiveDrivers, Receivers, TransceiversTSSOP16

IC TRANSCEIVER FULL 2/2 16TSSOP

ST3232EBTR is a 3V powered EIA/TIA-232 and V.28/V.24 communication interface chip with 2 drivers and 2 receivers, supporting 250 kbps data rate, featuring ±15 kV ESD protection, in TSSOP16 package, with an operating temperature range of -40 to 85°C.Checked against the datasheet

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Technical parameters

Key specs

ProtocolRS-232
Drivers/Receivers2
Data rate250 kbpsMin · RL=3 kΩ，CL2=1000 pF
Supply voltage3 ~ 5.5 V

Datasheet-verified parameters

17 items
ParameterValue and test conditionsSource
ProtocolEIA/TIA-232, V.28/V.24
Drivers / Receivers2 drivers, 2 receivers
Data rate250 kbps (Min), RL=3 kΩ, CL2=1000 pF, one transmitter switching
Supply voltage3 to 5.5 V (Recommended), -0.3 to 6 V (Absolute Max)
PackageTSSOP16 (tape and reel)
Operating temperature-40 to 85 °C
GradeIndustrial (implied by -40 to 85°C range, specific grade name not explicitly stated in text)
Power supply currentTyp 0.3 mA, Max 1 mA (No Load, VCC = 3 V or 5 V, TA = 25 °C)
ESD protection voltage±15 kV (Human body model), ±8 kV (IEC-1000-4-2)
Maximum junction temperature150 °C
Thermal resistance junction-to-case25 °C/W (TSSOP16)
Thermal resistance junction-to-ambient95 °C/W (TSSOP16)
Transmitter output voltage swingMin ±5 V, Typ ±5.4 V (All transmitter outputs are loaded with 3 kΩ to GND)
Transmitter output short-circuit currentMax ±60 mA
Transmitter output leakage currentMax ±25 μA (VCC = 0 V or 3.3 V to 5.5 V, VOUT = ±12 V, Transmitters disable)
Receiver propagation delayTyp 0.15 μs (RXIN=RXOUT, CL=150 pF)
Transmitter transition slew rateMin 6 V/μs (TA=25°C, RL=3 kΩ to 7 kΩ, VCC=3.3 V, CL=150 pF to 1000 pF)
All parameters (16)ExpandCollapse
Power
Voltage - Supply3V ~ 5.5V
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C~85°C
PackageTape & Reel (TR); Cut Tape (CT); Digi-Reel®
Package / Case16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package16-TSSOP
Other
Base Product NumberST3232
Data Rate250kbps
DuplexFull
MfrSTMicroelectronics
Number of Drivers/Receivers2/2
Product StatusActive
ProtocolRS232
Receiver Hysteresis500 mV
Series-
TypeTransceiver

Pinout and package

Figure 1. Pin connection
Figure 1. Pin connection
Package: TSSOP16 (tape and reel)
PinNameFunctionSource
c1+Positive terminal for the first charge pump capacitor
c1-Negative Terminal for the first charge pump capacitor
c2+Positive terminal for the second charge pump capacitor
c2-Negative terminal for the second charge pump capacitor
gndGround
r1inFirst receiver input voltage
r1outFirst receiver output voltage
r2inSecond receiver input voltage
r2outSecond receiver output voltage
t1inFirst transmitter input voltage
t1outFirst transmitter output voltage
t2inSecond transmitter input voltage
t2outSecond transmitter output voltage
v+Doubled voltage terminal
v-Inverted voltage terminal
vccSupply voltage

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