MAX13235EIUP+T Maxim Integrated Products, MAX13235EIUP+T Datasheet - Page 9

• Manufacturer Part Number: MAX13235EIUP+T
• Description: TXRX RS-232 3MBPS 2X2 20TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX13235EIUP+T

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TSSOP
—
—
10
11
—
12
13
14
15
—
16
17
18
19
20
—
1
2
3
4
5
6
7
8
9
MAX13234E/
MAX13235E
TQFN-EP
19
20
10
11
12
13
14
15
16
17
18
—
—
—
—
—
1
2
3
4
5
6
7
8
9
_______________________________________________________________________________________
PIN
MAX13236E/
MAX13237E
TQFN-EP
14
16
15
10
11
12
13
—
—
—
—
—
—
—
—
—
1
2
3
4
5
6
7
8
9
3Mbps RS-232 Transceivers with
FORCEOFF
FORCEON
READY
R2OUT
R1OUT
T1OUT
T2OUT
NAME
ROUT
TOUT
R2IN
R1IN
GND
T2IN
T1IN
C1+
C2+
V
C1-
C2-
RIN
TIN
V+
EP
V
V-
CC
L
Ready to Transmit Output, Active-High. READY is enabled
high when V- goes below -4V and the device is ready to
transmit.
Positive Terminal of the Voltage Doubler Charge-Pump
Capacitor
+5.5V Generated by the Charge Pump
Negative Terminal of the Voltage Doubler Charge-Pump
Capacitor
Positive Terminal of the Inverting Charge-Pump Capacitor
Negative Terminal of the Inverting Charge-Pump Capacitor
-5.5V Generated by the Charge Pump
RS-232 Transmitter Output 2
RS-232 Receiver Input
RS-232 Receiver Input 2
CMOS Receiver Output. V
CMOS Receiver Output 2. V
Logic-Level Supply. All CMOS inputs and outputs are related
to this supply.
CMOS Transmitter Input. V
CMOS Transmitter Input 2. V
CMOS Transmitter Input 1. V
FORCEON Input, Active-High. V
FORCEON high to override automatic circuitry keeping
transmitters on (FORCEOFF must be high).
See Table 1.
CMOS Receiver Output 1. V
RS-232 Transmitter Output
RS-232 Receiver Input 1
RS-232 Transmitter Output 1
Ground
+3V to +5.5V Supply Voltage
FORCEOFF Input, Active-Low. V
FORCEOFF low to shut down transmitters and on-board
charge pumps. All receiver and transmitter outputs are tri-
stated. This overrides all automatic circuitry and FORCEON
(Table 1).
Exposed Pad. Connect EP to GND or leave unconnected.
Low-Voltage Interface
FUNCTION
L
L
referred logic.
L
L
referred logic.
L
L
referred logic.
referred logic.
referred logic.
referred logic.
L
Pin Descriptions
L
referenced logic. Drive
referenced logic. Drive
9