參數(shù)資料
型號： MAX563CWN+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/8頁
文件大?。?/td> 0K
描述： IC TXRX RS232 DUAL 3.3V 18-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1,000
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 2/2
規(guī)程： RS562
電源電壓： 3 V ~ 3.6 V
安裝類型： 表面貼裝
封裝/外殼： 18-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 18-SOIC W
包裝： 帶卷 (TR)
_______________General Description
The MAX563 is a +3.3V-powered EIA/TIA-562 transceiver
with two transmitters and two receivers. Because it imple-
ments the EIA/TIA-562 standard, the MAX563 communi-
cates with RS-232 transceivers, yet consumes far less
power; this makes it ideal for battery-powered, hand-held
computers. And, the MAX563 guarantees a 116kbps data
rate while maintaining ±3.7V EIA/TIA-562 signal levels,
which makes it compatible with LapLink software.
An on-board charge pump converts the +3.3V supply to
the ±6.6V needed to produce the EIA/TIA-562 output volt-
age levels. Four 0.1F charge-pump capacitors and a
bypass capacitor of similar size are the only external com-
ponents required.
When the MAX563’s charge pumps and transmitters are
shut down to save power, the receivers remain active to
continuously monitor signals from external devices (for
example, ring indicator from modems). The two receivers’
outputs can be enabled and disabled independently of the
shutdown function to allow two ports—generally of different
types—to be wire-OR connected at the UART.
________________________Applications
Handiterminals
Battery-Powered Equipment
Bar-Code Readers
Notebook and Palmtop Computers
____________________________Features
o Guaranteed Interoperability with RS-232
o Operates from a Single +3.0V to +3.6V Supply
o 2 Drivers, 2 Receivers
o Receivers Active in Shutdown Mode
o Low-Power Shutdown: 10A Max
o Small Package—18-Pin Wide SO
o Three-State TTL/CMOS Receiver Outputs
o 116kbps Guaranteed Data Rate
______________Ordering Information
MAX563
+3.3V-Powered, EIA/TIA-562 Dual Transceiver
with Receivers Active in Shutdown
________________________________________________________________
Maxim Integrated Products
1
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
VCC
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
MAX563
DIP/SO
TOP VIEW
EN
SHDN
__________________Pin Configuration
V+
GND
VCC
+3.3V
C1-
VCC
ALL CAPACITORS 0.1F
5k
V-
5k
VOLTAGE DOUBLER
VOLTAGE INVERTER
CMOS
INPUTS
CMOS
OUTPUTS
1
10
13
11
12
6
5
4
2
3
7
15
8
14
9
18
RS-562/RS-232
INPUTS
RS-562
OUTPUTS
C1+
C2+
C2-
VCC
C3
R2IN
R1IN
T2OUT
T1OUT
T1IN
T2IN
R1OUT
R2OUT
EN
400k
SHDN
+6.6V
-6.6V
C4
17
C1
C2
ON/OFF
__________Typical Operating Circuit
Call toll free 1-800-998-8800 for free samples or literature.
19-0198; Rev 0; 10/93
PART
TEMP. RANGE
PIN-PACKAGE
MAX563CPN
0°C to +70°C
18 Plastic DIP
MAX563CWN
0°C to +70°C
18 Wide SO
MAX563C/D
0°C to +70°C
Dice *
LapLink is a registered trademark of Traveling Software, Inc.
* Dice are specified at TA = +25°C.
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