MAX239 Maxim Integrated Products, MAX239 Datasheet - Page 12

• Manufacturer Part Number: MAX239
• Description: (MAX220 - MAX249) +5V-Powered / Multichannel RS-232 Drivers/Receivers
• Manufacturer: Maxim Integrated Products

Table 1c. MAX246 Control Pin Configurations
+5V-Powered, Multichannel RS-232
Drivers/Receivers
Table 1a. MAX245 Control Pin Configurations
Table 1b. MAX245 Control Pin Configurations
12
ENA
ENT
______________________________________________________________________________________
ENT
0
0
1
1
0
0
1
1
0
0
1
1
ENR
ENB
0
1
0
1
0
1
0
1
ENR
0
1
0
1
Normal Operation
Normal Operation
Shutdown
Shutdown
Normal Operation
Normal Operation
Shutdown
Shutdown
OPERATION
OPERATION
STATUS
STATUS
Normal Operation
Normal Operation
Shutdown
Shutdown
OPERATION STATUS
TA1–TA4
TA1–TA4
All 3-State
All 3-State
All 3-State
All 3-State
All Active
All Active
All Active
All Active
TRANSMITTERS
TRANSMITTERS
TRANSMITTERS
TB1–TB4
TB1–TB4
All 3-State
All 3-State
All 3-State
All 3-State
All 3-State
All 3-State
All Active
All Active
All Active
All Active
All Active
All Active
All Active
RA1–RA4 3-State,
RA5 Active
All Low-Power
Receive Mode
RA1–RA4 3-State,
RA5 Low-Power
Receive Mode
All Active
All Active
RA1–RA4 3-State,
RA5 Active
RA1–RA4 3-State,
RA5 Low-Power
Receive Mode
RA1–RA5
RA1–RA5
All Active
All 3-State
All Low-Power Receive Mode
All 3-State
RECEIVERS
RECEIVERS
RECEIVERS
All Active
RB1–RB4 3-State,
RB5 Active
All Low-Power
Receive Mode
RB1–RB4 3-State,
RB5 Low-Power
Receive Mode
All Active
RB1–RB4 3-State,
RB5 Active
All Active
RB1–RB4 3-State,
RA5 Low-Power
Receive Mode
RB1–RB5
RB1–RB5