MAX248EQH+D Maxim Integrated Products, MAX248EQH+D Datasheet - Page 13
![IC TXRX RS232 5V 44-PLCC](/photos/6/62/66291/175-44-plcc_sml.jpg)
MAX248EQH+D
Manufacturer Part Number
MAX248EQH+D
Description
IC TXRX RS232 5V 44-PLCC
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Datasheet
1.MAX222CPN.pdf
(38 pages)
Specifications of MAX248EQH+D
Number Of Drivers/receivers
8/8
Protocol
RS232
Voltage - Supply
4.75 V ~ 5.25 V
Mounting Type
Surface Mount
Package / Case
44-LCC, 44-PLCC
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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