MAX3140EEI Maxim Integrated Products, MAX3140EEI Datasheet - Page 31

• Manufacturer Part Number: MAX3140EEI
• Description: IC UART SPI RS485/422 28-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX3140EEI

• 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: Contains lead / RoHS non-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
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