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MAX3070E Datasheet(PDF) 13 Page - Maxim Integrated Products

Part No. MAX3070E
Description  3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3070E Datasheet(HTML) 13 Page - Maxim Integrated Products

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+3.3V, ±15kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceivers
MAX3070E/MAX3073E/MAX3076E
Pin Description (continued)
PIN
MAX3070E
MAX3073E
MAX3076E
MAX3071E
MAX3074E
MAX3077E
MAX3072E
MAX3075E
MAX3078E
MAX3079E
FULL-DUPLEX
DEVICES
HALF-
DUPLEX
DEVICES
FULL-
DUPLE
X MODE
HALF-
DUPLE
X MODE
NAME
FUNCTION
12
8
12
A
Noninverting Receiver Input
12
A
Receiver Input Resistors*
6
A
Noninverting Receiver Input and Noninverting Driver
Output
13
13
RXP
Receiver Phase. Connect RXP to GND or leave
unconnected for normal transmitter phase/polarity.
Connect to VCC to invert receiver phase/polarity.
14
1
8
14
14
VCC
Positive Supply VCC = 3.3V ±10%. Bypass VCC to GND
with a 0.1μF capacitor.
1, 8, 13
N.C.
No Connect. Not internally connected. Can be
connected to GND.
*
MAX3079E only. In half-duplex mode, the driver outputs serve as receiver inputs. The full-duplex receiver inputs (A and B) still have a
1/8-unit load, but are not connected to the receiver.
TRANSMITTING
INPUTS
OUTPUTS
RE
DE
DI
Z
Y
X1
1
0
1
X1
0
1
0
0
0
X
High-Z
High-Z
1
0
X
Shutdown
RECEIVING
INPUTS
OUTPUT
RE
DE
A, B
RO
0X
≥ -50mV
1
0X
≤ -200mV
0
0X
Open/
shorted
1
1
1
X
High-Z
1
0
X
Shutdown
MAX3071E/MAX3074E/MAX3077E
TRANSMITTING
INPUT
OUTPUTS
DI
Z
Y
101
010
RECEIVING
INPUTS
OUTPUT
A, B
RO
≥ -50mV
1
≤ -200mV
0
Open/shorted
1
Function Tables
MAX3070E–MAX3079E
Maxim Integrated
13


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