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ST3237EBDR 数据表(PDF) 5 Page - STMicroelectronics

部件名 ST3237EBDR
功能描述  ®5KV ESD-PROTECTED, 1mA, 3 TO 5.5V, 250KBPS, RS-232 TRANSCEIVER WITH STAND-BY
PDF  15 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST3237EBDR 数据表(HTML) 5 Page - STMicroelectronics

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Table 10: Timing Characteristics
(C1 - C4 = 0.1µF tested at 3.3V±10%, VCC = 3V to 5.5V, TA = -40 to 85°C, unless otherwise specified.
Typical values are referred to TA = 25°C)
Transmitter Skew is measured at the transmitter zero cross points
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DR
Maximum Data Rate
RL = 3KΩ CL= 1000pF
one transmitter switching
VHSCI=GND
250
Kbps
RL = 3KΩ CL= 250pF
one transmitter switching
VHSCI=VCC
VCC= 3 to 4.5V
1000
Kbps
RL = 3KΩ CL= 1000pF
one transmitter switching
VHSCI=VCC
VCC= 4.5 to 5.5V
1000
Kbps
tPHLR
tPLHR
Propagation Delay Input to
Output
RIN to ROUT
CL = 150pF
0.15
µs
tPHLR
tPLHR
Propagation Delay Input to
Output
RL = 3kΩ
CL = 1000pF
VHSCI=VCC
VHSCI=GND
400
1000
ns
ns
tT_SKEW Transmitter Skew
|tPHL - tTLH|
VHSCI=GND
300
ns
|tPHL - tTLH|
VHSCI=VCC
50
ns
tR_SKEW Receiver Skew
|tPHL - tTLH|
100
ns
tOER
Receiver Output Enable
Time
Normal Operation
50
ns
tODR
Receiver Output Disable
Time
Normal Operation
120
ns
SRT
Transition Slew Rate
TA = 25°C RL = 3 to 7KΩ
VCC = 3.3V
measured from +3V to -3V or -3V to +3V
CL = 150pF to 1000pF
VHSCI=GND
CL = 150pF to 1000pF
VHSCI=VCC
CL = 150pF to 2500pF
VHSCI=GND
6
24
4
30
150
30
V/
µs
V/
µs
V/
µs



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