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ST3243B датащи(PDF) 7 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) 7 Page - STMicroelectronics

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ST3243B ST3243C
Electrical characteristics
Doc ID 7539 Rev 10
7/17
4
Electrical characteristics
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.
C1 - C4 = 0.1 µA, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified. Typical
values are referred to TA = 25 °C.
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 5.
Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
IASHDN Supply current auto-power-down
VCC = 3.3 or 5.0 V, TA = 25 °C
All R_IN open, FORCEOFF = VCC
110
µA
ISHDN
Shutdown supply current
VCC = 3.3 or 5.0 V, TA = 25 °C
All R_IN open, FORCEOFF = GND
110
µA
ISUPPLY
Supply current auto-power-down
disabled
VCC = 3.3 or 5.0 V
TA = 25 °C
FORCEON = FORCEOFF = VCC
no load
0.3
1
mA
Table 6.
Logic input electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VTIL
Input logic threshold low
T-IN, FORCEON, FORCEOFF
0.8
V
VTIH
Input logic threshold high
T-IN, FORCEON, FORCEOFF
VCC = 3.3 V
VCC = 5 V
2
2.4
V
V
VTHYS
Transmitter input hysteresis
0.5
V
IIL
Input leakage current
T-IN, FORCEON, FORCEOFF
± 0.01
± 1.0
µA
IOL
Output leakage current
Receiver disabled
± 0.05
± 10
µA
VOL
Output voltage low
IOUT = 1.6 mA
0.4
V
VOH
Output voltage high
IOUT = -1 mA
VCC-0.6 VCC-0.1
V
Table 7.
Auto-power-down electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VRITE
Receiver input threshold to
transmitter enabled
Positive threshold
Negative threshold
2.7
2.7
V
V
VRITD
Receiver input threshold to
transmitter disabled
1 µA supply current
-0.3
0.3
V
VIOL
INVALID output voltage LOW
0.4
V
VIOH
INVALID output voltage HIGH
VCC-0.6
V



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