TRS3253E-EP Datasheet, PDF (4/21 Pages) Texas Instruments – RS-232 TRANSCEIVER WITH SPLIT SUPPLY PIN FOR LOGIC SIDE

TRS3253E-EP
SLLSEF5 – DECEMBER 2013
TERMINAL
NAME
RSM
C1+, C2+
29, 1
V+
30
C1–, C2-
31, 2
INVALID
6
V–
3
DIN1
4
DIN2
5
DIN3
7
ROUT5 -
ROUT1
10, 11,
12, 13,
14
V_L
RIN5-RIN1
15
17, 18,
19, 20,
21
DOUT3
22
DOUT2
23
DOUT1
25
GND
26
V_CC
27
FORCEOFF
28
FORCEON
9
TERMINAL FUNCTIONS
DESCRIPTION
Positive terminal of the voltage-doubler charge-pump capacitor
5.5-V supply generated by the charge pump
Negative terminal of the voltage-doubler charge-pump capacitor
Invalid Output Pin
–5.5-V supply generated by the charge pump
Driver inputs
Receiver outputs. Swing between 0 and V_L.
Logic-level supply. All CMOS inputs and outputs are referenced to this supply.
RS-232 receiver inputs
RS-232 driver outputs
Ground
3-V to 5.5-V supply voltage
Powerdown Control input (Refer to Truth Table)
Powerdown Control input (Refer to Truth Table)
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