MAX3232ECUP+ Maxim Integrated Products, MAX3232ECUP+ Datasheet - Page 7

• Manufacturer Part Number: MAX3232ECUP+
• Description: IC TXRX RS232 250KBPS LP 20TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3232ECUP+

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Propagation Delay Time Ns: 0.15 us
• Operating Supply Voltage: 3 V to 5.5 V
• Supply Current: 0.3 mA
• Operating Temperature Range: 0 C to + 70 C
• Data Rate: 250 Kbps
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

* These pins have an active positive feedback resistor internal to the MAX3237E, allowing unused inputs to be left unconnected.
10, 11
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
TQFN
8, 13
6, 15
7, 14
19
20
1
2
3
4
5
MAX3222E
SO/
DIP
10,
11,
15
14
13
12
8,
9,
1
2
3
4
5
6
7
TSSOP/
SSOP
10, 15
12, 13
8, 17
9, 16
1
2
3
4
5
6
7
_______________________________________________________________________________________
TQFN
8, 9
16
15
12
11
10
—
5,
6,
7,
1
2
3
4
Up to 1Mbps, True RS-232 Transceivers
MAX3232E
SO/DIP/
TSSOP
SSOP/
16-PIN
10, 11
7, 14
8, 13
9, 12
—
1
2
3
4
5
6
TSSOP
20-PIN
PIN
8, 17
9, 16
12,
13,
15
14
—
2
3
4
5
6
7
MAX3237E SSOP/
17*, 19*,
22*, 23*,
8, 9, 11
5, 6, 7,
18, 20,
10, 12
13*
24*
28
27
25
21
1
3
4
TSSOP
15–19
MAX3241E
SO/
4–8
10,
12,
13,
23
28
27
24
11
14
9,
1
2
3
17, 18
TQFN
1–5
13,
14,
15,
10,
11,
22
28
27
23
29
30
31
12
6,
7,
8
MAX3246E
C2, B1,
A4, A5,
A6, B6,
A1, A2,
F6, E6,
E3, E2,
B3
D1
C1
D6
C6
A3
D2
F3
F1
F4
E1
T_OUT
R_OUT
NAME
R_IN
T_IN
C1+
C2+
C1-
C2-
EN
V+
V-
Receiver Enable. Active
low.
Positive Terminal of
Voltage-Doubler Charge-
Pump Capacitor
+5.5V Generated by the
Charge Pump
Negative Terminal of
Voltage-Doubler Charge-
Pump Capacitor
Positive Terminal of
Inverting Charge-Pump
Capacitor
Negative Terminal of
Inverting Charge-Pump
Capacitor
-5.5V Generated by the
Charge Pump
RS-232 Transmitter
Outputs
RS-232 Receiver Inputs
TTL/CMOS Receiver
Outputs
TTL/CMOS Transmitter
Inputs
Pin Description
FUNCTION
7