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ST3232EBDR 数据表(PDF) 4 Page - STMicroelectronics

部件名 ST3232EBDR
功能描述  ±15KV ESD-PROTECTED, 3 TO 5.5V, LOW POWER, UP TO 250KBPS, RS-232 DRIVERS AND RECEIVERS
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST3232EBDR 数据表(HTML) 4 Page - STMicroelectronics

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ST3232E
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RECEIVER ELECTRICAL CHARACTERISTICS
(C1 - C4 = 0.1µF tested at VCC = 3V to 5.5V, TA = -40 to 85°C, unless otherwise specified.
Typical values are referred to TA = 25°C)
TIMING CHARACTERISTICS
(C1 - C4 = 0.1µF, 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
VRIN
Receiver Input Voltage
Operating Range
-25
25
V
VRIL
RS-232 Input Threshold
Low
TA = 25°C
VCC = 3.3V
0.6
1.1
V
TA = 25°C
VCC = 5V
0.8
1.5
VRIH
RS-232 Input Threshold
High
TA = 25°C
VCC = 3.3V
1.4
2.4
V
TA = 25°C
VCC = 5V
1.8
2.4
VRIHYS Input Hysteresis
0.5
V
RRIN
Input Resistance
TA = 25°C
3
5
7
K
Ω
VROL
TTL/CMOS Output Voltage
Low
IOUT = 1.6mA
0.4
V
VROH
TTL/CMOS Output Voltage
High
IOUT = -1mA
VCC-0.6 VCC-0.1
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DR
Data Transfer Rate
RL = 3KΩ
CL2= 1000pF
one trasmitter switching
250
Kbps
tPHLR
tPLHR
Propagation Delay Input to
Output
RXIN = RXOUT
CL = 150pF
0.15
µs
tOER
Receiver Output Enable
Time
Normal Operation
50
ns
tODR
Receiver Output Disable
Time
Normal Operation
50
ns
|tPHLT
- tTHL|
Transmitter Propagation
Delay Difference
(Note 1)
200
ns
|tPHLR
- tTHR|
Receiver Propagation Delay
Difference
50
ns
SRT
Trnasition 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
6
4
30
30
V/
µs
V/
µs



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