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ST202EBWR 数据表(PDF) 6 Page - STMicroelectronics

部件名 ST202EBWR
功能描述  /- 15 kV ESD protected 5 V RS-232 transceiver
PDF  18 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST202EBWR 数据表(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
ST202EB - ST202EC - ST232EB - ST232EC
6/18
Table 7.
Receiver electrical characteristics
(C1 - C4 = 0.1 µF, VCC = 5 V ± 10 %, TA = -40 to 85 °C, unless otherwise specified. Typical
values are referred to TA = 25 °C).
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VRIN
Receiver input voltage
operating range
-30
30
V
RRIN
RS-232 input resistance
TA = 25°C, VCC = 5 V
3
5
7
k
Ω
VRIL
RS-232 input logic threshold
low
TA = 25°C, VCC = 5 V
0.8
1.2
V
VRIH
RS-232 input logic threshold
high
TA = 25°C, VCC = 5 V
1.7
2.4
V
VRIHYS
RS-232 input hysteresis
VCC = 5 V
0.2
0.5
1
V
VROL
TTL/CMOS output voltage low
IOUT = 3.2 mA
0.4
V
VROH
TTL/CMOS output voltage high
IOUT = -1 mA
3.5
VCC-0.4
V
tDR
Receiver propagation delay
CL = 150 pF
0.5
10
µs



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