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MAX3388E Datasheet(PDF) 5 Page - Maxim Integrated Products

Part No. MAX3388E
Description  2.5V, ±15kV ESD-Protected RS-232 Transceivers for PDAs and Cell Phones
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3388E Datasheet(HTML) 5 Page - Maxim Integrated Products

 
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2.5V, ±15kV ESD-Protected RS-232
Transceivers for PDAs and Cell Phones
_______________________________________________________________________________________
5
Pin Description
PIN
NAME
FUNCTION
1
C1+
Positive Terminal of the Voltage-Doubler Charge-Pump Capacitor
2
V+
+4.2V Supply Generated by the Charge Pump
3
C1-
Negative Terminal of the Voltage-Doubler Charge-Pump Capacitor
4
C2+
Positive Terminal of the Inverting Charge-Pump Capacitor
5
C2-
Negative Terminal of the Inverting Charge-Pump Capacitor
6
V-
-4.2V Supply Generated by the Charge Pump
7, 8, 9
T1IN,
T2IN, T3IN
CMOS Transmitter Inputs
10
LOUT
Handshaking Output. This output is active during shutdown for the MAX3389E.
11
SWOUT
Switch Output
12, 13
R2OUT,
R1OUT
CMOS Receiver Outputs. Swing between 0 and VL.
14
VL
Logic-Level Supply. All CMOS inputs and outputs are referred to this supply. VL = +1.8V to +3.0V.
15
SWIN
Switch Input.
16
LIN
Handshaking Input. This input is active during shutdown for the MAX3389E.
17, 18
R2IN,
R1IN
RS-232 Receiver Inputs
19, 20, 21
T3OUT,
T2OUT,
T1OUT
RS-232 Transmitter Outputs
22
GND
Ground
23
VCC
+2.35V to +3V Supply Voltage
24
SHDN
Shutdown Input. 0 = shutdown, switch open; 1 = normal operation, switch closed.


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