MAX13235EETP Maxim Integrated, MAX13235EETP Datasheet - Page 9
![no-image](/images/no-image-200.jpg)
MAX13235EETP
Manufacturer Part Number
MAX13235EETP
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX13234E, MAX13235E, MAX13236E, MAX13237Er
Datasheet
1.MAX13236EETE-T.pdf
(16 pages)
Specifications of MAX13235EETP
Data Rate
3 Mbps
Operating Supply Voltage
3 V to 5.5 V
Supply Current
1 mA
Operating Temperature Range
- 40 C to + 85 C
Function
Transceiver
Number Of Drivers
2
Number Of I/os
8
Number Of Receivers
2
Propagation Delay Time Ns
0.15 us
Shutdown
Yes
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