MAX239CNG+ Maxim Integrated Products, MAX239CNG+ Datasheet - Page 13

• Manufacturer Part Number: MAX239CNG+
• Description: IC 3DVR/5RCVR RS232 5V 24-DIP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX239CNG+

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 5 V, 7.5 V ~ 13.2 V
• Mounting Type: Through Hole
• Package / Case: 24-DIP (0.300", 7.62mm)
• Supply Voltage (max): 5.5 V, 13.2 V
• Supply Voltage (min): 4.5 V, 7.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Data Rate: 120 Kbps
• Interface: RS-232
• Maximum Power Dissipation: 500 mW
• Minimum Operating Temperature: 0 C
• Supply Current: 0.4 mA
• Operating Supply Voltage: 5 V, 12 V
• Operating Temperature Range: 0 C to + 70 C
• Dimensions: 32.13 mm L x 8.26 mm W x 4.572 mm H
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 1d. MAX247/MAX248/MAX249 Control Pin Configurations
ENTA
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
ENTB
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
ENRA
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
______________________________________________________________________________________
ENRB
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
Normal Operation
OPERATION
+5V-Powered, Multichannel RS-232
STATUS
Shutdown
Shutdown
Shutdown
Shutdown
MAX247
MAX248
MAX249
All Active
All Active
All Active
All Active
All Active
All Active
All Active
All Active
All High-Z
All High-Z
All High-Z
All High-Z
All High-Z
All High-Z
All High-Z
All High-Z
TA1–TA4
TA1–TA4
TA1–TA3
TRANSMITTERS
All Active
All Active
All Active
All Active
All High-Z
All High-Z
All High-Z
All High-Z
All Active
All Active
All Active
All Active
All High-Z
All High-Z
All High-Z
All High-Z
TB1–TB4
TB1–TB4
TB1–TB3
Drivers/Receivers
All Active
All Active
All High-Z
All High-Z
All Active
All Active
All High-Z
All High-Z
All Active
All Active
All High-Z
All High-Z
Low-Power
Receive Mode
Low-Power
Receive Mode
All High-Z
All High-Z
RA1–RA4
RA1–RA4
RA1–RA5
RECEIVERS
All Active
All High-Z, except
RB5 stays active on
MAX247
All Active
All High-Z, except
RB5 stays active on
MAX247
All Active
All High-Z, except
RB5 stays active on
MAX247
All Active
All High-Z, except
RB5 stays active on
MAX247
All Active
All High-Z, except
RB5 stays active on
MAX247
All Active
All High-Z, except
RB5 stays active on
MAX247
Low-Power
Receive Mode
All High-Z, except
RB5 stays active on
MAX247
Low-Power
Receive Mode
All High-Z, except
RB5 stays active on
MAX247
RB1–RB5
RB1–RB4
RB1–RB5
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