MAX240CMH-T Maxim Integrated, MAX240CMH-T Datasheet - Page 13

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MAX240CMH-T

Manufacturer Part Number
MAX240CMH-T
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX220, MAX222, MAX223, MAX225, MAX230, MAX231, MAX232, MAX232A, MAX233, MAX233A, MAX234, MAX235, MAX236, MAX237, MAX238, MAX239, MAX240, MAX241, MAX242, MAX243, MAX244, MAX245, MAX246, MAX247, MAX248, MAX249r
Datasheet

Specifications of MAX240CMH-T

Data Rate
120 Kbps
Operating Supply Voltage
5 V
Supply Current
15 mA
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Function
Transceiver
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Number Of Drivers
5
Number Of I/os
20
Number Of Receivers
5
Propagation Delay Time Ns
10 us
Shutdown
Yes
Maxim Integrated
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
Shutdown
Shutdown
Shutdown
Shutdown
STATUS
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
MAX220–MAX249
MAX220–MAX249
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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