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ST3243 Datasheet(PDF) 8 Page - STMicroelectronics

Part # ST3243
Description  3 to 5.5V, 400Kbps, RS-232 Transceiver with auto-powerdown
PDF  20 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST3243 Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
ST3243
8/20
Table 9.
Timing characteristics
(C1 - C4 = 0.1µF, VCC = 3V to 5.5V, TA = -40 to 85°C, unless otherwise specified.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DR
Maximum data rate
RL = 3KΩ, CL= 1000pF
one transmitter switching
250
400
Kbps
tPHL
tPLH
Receiver propagation delay RIN to ROUT, CL = 150pF
0.15
µs
tT_SKEW Transmitter skew
100
ns
tR_SKEW Receiver skew
50
ns
tINVH
Receiver positive or
negative threshold to
INVALID HIGH
1ms
tINVL
Receiver positive or
negative threshold to
INVALID LOW
30
ms
SRT
Transition slew rate
TA = 25°C RL = 3K to 7KΩ
VCC = 3.3V
measured from +3V to -3V or -3V to +3V
CL = 150pF to 1000pF
CL = 150pF to 2500pF
6
4
30
30
V/
µs
V/
µs



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