Datasheet

MAX3140
SPI/MICROWIRE-Compatible UART with Integrated
True Fail-Safe RS-485/RS-422 Transceivers
______________________________________________________________________________________ 35
Pin Configuration
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SHDN
IRQ
CS
SCLK
DOUT
DIN
TXP
V
CC
RXP
A
B
Z
N.C.
Y
N.C.
SRL
DI
DE
RE
RO
GND
H/F
TX
RX
RTS
CTS
X1
X2
QSOP
TOP VIEW
MAX3140
+
Package Information
For the latest package outline information and land patterns,
go to www.maxim-ic.com/packages
. Note that a “+”, “#”, or
“-” in the package code indicates RoHS status only. Package
drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
28 QSOP E28M+1
21-0055 90-0173