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ST3243B датащи(PDF) 9 Page - STMicroelectronics

номер детали ST3243B
подробное описание детали  3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down
PDF  17 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST3243B датащи(HTML) 9 Page - STMicroelectronics

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ST3243B ST3243C
Electrical characteristics
Doc ID 7539 Rev 10
9/17
C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified. Typical
values are referred to TA = 25 °C.
Table 10.
Timing characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
DR
Maximum data rate
RL = 3 kΩ, CL= 1000 pF
one transmitter switching
250
400
kbps
tPHL
tPLH
Receiver propagation delay RIN to ROUT, CL = 150 pF
0.15
µs
tT_SKEW Transmitter skew
100
ns
tR_SKEW Receiver skew
50
ns
tINVH
Receiver positive or
negative threshold to
INVALID HIGH
1µs
tINVL
Receiver positive or
negative threshold to
INVALID LOW
30
µs
SRT
Transition slew rate
TA = 25 °C, RL = 3 kΩ to 7 kΩ, VCC = 3.3 V
measured from +3 V to -3 V or -3 V to +3 V
CL = 150 pF to 1000 pF
CL = 150 pF to 2500 pF
6
4
30
30
V/µs
V/µs



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