MAX13444EASA/V+ Maxim Integrated, MAX13444EASA/V+ Datasheet - Page 12

• Manufacturer Part Number: MAX13444EASA/V+
• Description: RS-485 Interface IC +/-80V Fault Protected RS-485 Half-Duplex Transceiver with Foldback Current Limit
• Manufacturer: Maxim Integrated

Specifications of MAX13444EASA/V+

• Data Rate: 10 Mbps
• Operating Supply Voltage: 5 V
• Supply Current: 30 mA
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SO-8
• Function: Transceiver
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Number Of Drivers: 1
• Number Of Receivers: 1
• Propagation Delay Time Ns: 50 ns
• Shutdown: Yes

±15kV ESD-Protected, ±80V Fault-Protected,
Fail-Safe RS-485/J1708 Transceivers
Table 1. MAX13442E/MAX13443E
(RS-485/RS-422)
X = Don’t care.
Table 2. MAX13444E (J1708) Application
12
TXD
0
1
0
1
RE
______________________________________________________________________________________
0
0
0
1
1
1
INPUTS
DE
1
1
0
0
INPUTS
DE
0
1
1
0
1
1
TRANSMITTING
TRANSMITTING
High-Z
High-Z
High-Z
A
0
OUTPUTS
DI
X
0
1
X
0
1
High-Z
High-Z
High-Z
B
1
Shutdown
High-Z
A
0
1
0
1
OUTPUTS
Recessive state
Dominant state
CONDITIONS
Shutdown
—
—
—
High-Z
B
1
0
1
0
Table 3. MAX13442E/MAX13443E
(RS-485/RS-422)
X = Don’t care.
Table 4. MAX13444E (RS-485/RS-422)
X = Don’t care.
0
0
0
1
1
0
0
0
1
1
INPUTS
INPUTS
X
X
X
0
1
DE
X
X
X
1
0
RECEIVING
RECEIVING
Open/shorted
Open/shorted
(V
(V
-0.05V
A
Function Tables
-0.2V
-0.05V
A
-0.2V
X
X
- V
X
X
- V
B
B
)
)
OUTPUTS
OUTPUTS
Shutdown
Shutdown
High-Z
High-Z
RO
RO
1
0
1
1
0
1