ST3243 Datasheet, PDF (3/11 Pages) STMicroelectronics – 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN

PIN CONFIGURATION
ST3243
TRUTH TABLE
FORCE OFF
T_OUT
R_OUT
R_2OUTB
0
HIGH Z
HIGH Z
ACTIVE *
1
ACTIVE *
ACTIVE *
ACTIVE *
* If the part is in auto-powerdown mode (FORCE OFF = V_CC, FORCE ON = GND) it is shutdown , if no valid RS-232 levels are present on
all receiver input
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V_CC
Supply Voltage
-0.3 to 6
V
V+
Doubled Voltage Terminal
(V_CC -0.3) to 7
V
V-
Inverted Voltage Terminal
0.3 to -7
V
V+ +|V-|
13
V
FORCEON, Input Voltage
FORCEOFF,
T_IN
-0.3 to 6
V
R_IN
Receiver Input Voltage Range
± 25
V
T_OUT
Transmitter Output Voltage Range
± 13.2
V
R_OUT R_OUTB Receiver Output Voltage Range
INVALID
-0.3 to (V_CC + 0.3)
V
t_SHORT Short Circuit Duration on T_OUT (one at a time)
Continuous
T_stg
Storage Temperature Range
-65 to 150
°C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied. V+ and V- can have a maximum magnitude of +7V, but their absolute addition can not exceed 13 V.
(*) The device doesn’t meet 1KV ESD HBM
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