ST3232BDR datasheet(6/18 Pages) STMICROELECTRONICS

Part #	ST3232BDR

Description	3 to 5.5 V, low power, up to 400 kbps RS-232 drivers and receivers

PDF	18 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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6 / 18 page

Electrical characteristics

ST3232B - ST3232C

6/18

Note:

Transmitter skew is measured at the transmitter zero cross points.

Table 8.

Timing characteristics (C1 - C4 = 0.1 µF tested at 3.3 V ± 10 %, VCC = 3 V to 5.5 V,

TA = -40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Data transfer rate

RL = 3kΩ, CL2= 1000pF

one transmitter switching

300

400

kbps

tPHLR

tPLHR

Propagation delay input to

output

RXIN = RXOUT, CL = 150pF

0.2

µs

|tPHLT

- tTHL|

Transmitter propagation

delay difference

(Note 1)

100

|tPHLR

- tTHR|

Receiver propagation delay

difference

SRT

Transition slew rate

TA = 25°C RL = 3kΩ to 7kΩ VCC = 3.3V

measured from +3V to -3V or -3V to +3V

CL = 150pF to 1000pF

CL = 150pF to 2500pF

V/µs

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