MAX3225EETP-T Maxim Integrated, MAX3225EETP-T Datasheet - Page 7

• Manufacturer Part Number: MAX3225EETP-T
• Description: RS-232 Interface IC
• Manufacturer: Maxim Integrated
• Series: MAX3224E, MAX3225E, MAX3226E, MAX3227E, MAX3244E, MAX3245Er

Specifications of MAX3225EETP-T

• Data Rate: 1 Mbps
• Operating Supply Voltage: 3 V to 5.5 V
• Supply Current: 1 mA
• Operating Temperature Range: 0 C to + 70 C
• Mounting Style: SMD/SMT
• Function: Transceiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Drivers: 2
• Number Of I/os: 8
• Number Of Receivers: 2
• Propagation Delay Time Ns: 0.15 us
• Shutdown: Yes

Maxim Integrated
______________________________________________________________ Pin Description
±15kV ESD-Protected, 1µA, 1Mbps, 3.0V to 5.5V,
MAX3226E/MAX3227E/MAX3244E/MAX3245E
10, 11
TQFN
6, 15
7, 14
8, 13
19
20
1
2
3
4
5
9
RS-232 Transceivers with AutoShutdown Plus
MAX3224E
MAX3225E
TSSOP
SSOP/
10, 15
12, 13
8, 17
9, 16
DIP/
11
1
2
3
4
5
6
7
TQFN
14
16
15
10
1
2
3
4
5
6
7
8
MAX3226E
MAX3227E
TSSOP
SSOP/
13
10
11
PIN
1
2
3
4
5
6
7
8
9
SO/ SSOP/ TSSOP
MAX3244E
MAX3245E
9, 10, 11
15-19
12-14
4-8
28
27
24
21
—
1
2
3
MAX3245E
15, 16, 17,
11, 12, 13
7, 8, 9
19, 20
TQFN
1-5
31
30
26
33
34
35
23
—
READY
R_OUT
T_OUT
NAME
R_IN
T_IN
C2+
C1+
C1-
C2-
V+
V-
Ready to Transmit Output,
active-high. READY is
enabled high when V- goes
below -4V and the device is
ready to transmit.
+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
Valid Signal Detector Output,
active low. A logic high
indicates that a valid RS-232
level is present on a receiver
input.
TTL/CMOS Transmitter Inputs
Positive Terminal of Voltage-
Doubler Charge-Pump
Capacitor
FUNCTION
7