XR33202_17 Datasheet, PDF (4/16 Pages) Exar Corporation – Wide Supply RS-485/RS-422 Transceiver with 1.65V-5.5V I/O Interface

Pin Configuration
XR33202
VL 1
RO 2
DE 3
RE 4
DI 5
10 VCC
9 B/Z
8 A/Y
7 NC
6 GND
DFN
Pin Functions
Pin Number Pin Name
1
VL
2
RO
3
DE
4
RE
5
DI
6
GND
7
NC
8
A/Y
9
B/Z
10
VCC
*
Paddle
Type
Supply
Output
Input
Input
Input
Supply
I/O
I/O
Supply
Description
I/O power supply, sets the logic levels for RO, DE, RE and DI
Receiver output
Driver enable, driver active when DE = 1, disabled when DE = 0
Receiver enable, receiver is disabled when RE = 1, enabled when RE = 0
Driver input
Ground
No connection, can be connected to ground
±15kV ESD protected, RS-485/RS-422 half-duplex non-inverting receiver input and non-inverting
driver output
±15kV ESD protected, RS-485/RS-422 half-duplex inverting receiver input and inverting driver output
Power supply
Exposed paddle (DFN package), connect to ground
nRE
X
X
0
1
Inputs
DE
1
1
0
0
Transmitting
Outputs
DI
A/Y
B/Z
1
1
0
0
0
1
X
High-Z
X
Shutdown
nRE
0
0
0
0
1
1
Receiving
Inputs
DE
V_A/Y - V_B/Z
X
≥ -50mV
Output
RO
1
X
-200mV < V_A/Y - V_B/Z < -50mV Undefined
X
≤ -200mV
0
X
Open/Shorted/Idle
1
1
X
High-Z
0
X
Shutdown
REV2A
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