MAX3140EEI+T Maxim Integrated Products, MAX3140EEI+T Datasheet - Page 31
![IC UART W/RS485 28-QSOP](/photos/6/61/66154/28-qsop_21-0055_sml.jpg)
MAX3140EEI+T
Manufacturer Part Number
MAX3140EEI+T
Description
IC UART W/RS485 28-QSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX3140CEIT.pdf
(36 pages)
Specifications of MAX3140EEI+T
Features
Transceiver
Fifo's
8 Byte
Protocol
RS232, RS485
Voltage - Supply
4.75 V ~ 5.25 V
With Irda Encoder/decoder
Yes
With False Start Bit Detection
Yes
With Cmos
Yes
Mounting Type
Surface Mount
Package / Case
28-QSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 28. Typical IR and RS-485 Operating Circuit
SPI/MICROWIRE-Compatible UART with Integrated
*NOTE: TO SHUT DOWN THE RS-485 TRANSCEIVER, DRIVE RE SEPARATELY.
______________________________________________________________________________________
True Fail-Safe RS-485/RS-422 Transceivers
V
CC
μP
SOFTWARE
NON-IrDA
10k
UART
RTS
+5V
RX
TX
UNCONNECTED
V
CC
100k
V
H/F
IRQ
DIN
DOUT
SCLK
CS
RO
DI
DE
RE*
SRL
CC
D
R
MAX3140
MODE
UART
IrDA
IN
RXP
TXP
TX
RX
X1
X2
Z
Y
HALF-DUPLEX
RS-485 I/O
MAX3120
IrDA
I/O
31