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MAX3093ECPEDatasheet PDF
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MAX3093E/MAX3094E
±15kV ESD-Protected, 10Mbps, 3V/5V,
Low-Power Quad RS-422/RS-485 Receivers
6 _______________________________________________________________________________________
Pin Description
NAME FUNCTION
1 A- Inverting Receiver A Input
2 A+ Noninverting Receiver A Input
PIN
3 YA
Receiver A Output. Enabled when ENAC = high. YA will be logic high if A+ > A- by 200mV, and low if
A+ < A- by 200mV. It will be logic high if A+ and A- remain floating. Otherwise, the state is undetermined.
YA goes high impedance when ENAC = low.
4 ENAC Receiver Output A and C Enable High. A logic high on this input enables receivers A and C.
8 GND Ground
7 C- Inverting Receiver C Input
6 C+ Noninverting Receiver C Input
5 YC Receiver C Output. Same functionality as YA.
13 YB Receiver B Output. Same functionality as YD.
12 ENBD Receiver Output B and D Enable High. A logic high on this input enables receivers B and D.
11 YD
Receiver D Output. Enabled when ENBD = high. YD will be logic high if D+ > D- by 200mV, and low if
D+ < D- by 200mV. It will be a logic high if D+ and D- remain floating. Otherwise, the state is undetermined.
YD goes high impedance when ENBD = low.
10 D+ Noninverting Receiver D Input
9 D- Inverting Receiver D Input
TIME (200ns/div)
SHUTDOWN TIMING
MAX3093/94E TOC09
MAX3093E
Y VOLTAGE
5V/div
2V/div
2V/div
MAX3094E
Y VOLTAGE
G VOLTAGE
CIRCUIT OF FIGURE 3,
S1 OPEN, S2 CLOSED, S3 = 1V
Typical Operating Characteristics (continued)
(V
CC
= +5V for MAX3093E, V
CC
= +3.3V for MAX3094E, T
A
= +25°C, unless otherwise noted.)
14 B+ Noninverting Receiver B Input
15 B- Inverting Receiver B Input
16 V
CC
Positive Supply
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