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MAX221EUE

更新时间： 2024-02-13 04:45:45
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
8页 112K
描述
%V, 1レA, Single RS-232 Transceiver with AutoShutdown

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MAX221EUE 数据手册

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19-1520; Rev 0; 8/99  
+5V, 1µA, Single RS-232 Transceiver  
with AutoShutdown  
MAX21  
General Description  
Features  
The MAX221 is a +5V-powered, single transmit/receive  
RS-232 and V.28 communications interface with auto-  
matic shutdown/wake-up features and high data rate  
capabilities.  
♦ Single RS-232 Transceiver in a Small 16-Pin  
TSSOP Package  
♦ 1µA Supply Current  
The MAX221 achieves a low 1µA supply current with  
Maxim’s revolutionary AutoShutdown™ feature.  
AutoShutdown saves power without changes to the  
existing BIOS or operating system by entering low-  
power shutdown mode when the RS-232 cable is dis-  
connected, or when the transmitter of the connected  
peripheral is off. The MAX221 wakes up and drives the  
INVALID pin high when an active RS-232 cable is con-  
nected, signaling the host that a peripheral is connect-  
ed to the communications port.  
♦ AutoShutdown Saves Power Without  
Changes to BIOS  
♦ Guaranteed 250kbps Data Rate  
Ordering Information  
The MAX221 is available in a 16-pin SSOP package as  
well as a 16-pin TSSOP that uses 50% less board space  
than a 16-pin SO. For an equivalent RS-232 transceiver  
with enhanced 15kV ꢀSꢁ protection, refer to the  
MAX221ꢀ data sheet.  
PART  
TEMP. RANGE  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
16 TSSOP  
16 SSOP  
MAX221CUꢀ  
MAX221CAꢀ  
MAX221ꢀUꢀ  
MAX221ꢀAꢀ  
16 TSSOP  
16 SSOP  
Applications  
Maintenance/ꢁiagnostic Ports  
Industrial Systems  
Telecommunications  
Set-Top Boxes  
Typical Operating Circuit  
+5V  
15  
C3  
0.1µF  
C
BYPASS  
0.1µF  
V
CC  
Pin Configuration  
3
7
2
C1+  
V+  
V-  
C1  
0.1µF  
4
5
6
C1-  
C2+  
TOP VIEW  
MAX221  
C4  
0.1µF  
EN  
C1+  
V+  
1
2
3
4
5
6
7
8
16 FORCEOFF  
15  
C2  
0.1µF  
C2-  
TIN  
V
CC  
11  
TOUT 13  
14 GND  
C1-  
C2+  
C2-  
V-  
MAX221  
13 TOUT  
12 FORCEON  
11 TIN  
9
ROUT  
RIN  
8
5k  
10 INVALID  
TO POWER-  
MANAGEMENT  
UNIT  
RIN  
9
ROUT  
10  
16  
1
EN  
INVALID  
TSSOP/SSOP  
12  
FORCEOFF  
V
FORCEON  
CC  
GND  
14  
CAPACITORS MAY BE POLARIZED OR UNPOLARIZED.  
AutoShutdown is a trademark of Maxim Integrated Products.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  
12345678

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MAX221EUE 替代型号

型号 品牌 替代类型 描述 数据表
MAX221EUE+ MAXIM

完全替代

 Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, PDSO16, TSSOP-16
MAX221EEUE+ MAXIM

类似代替

 Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO16, 4.40 MM, 0.65 MM PITCH, TSSOP-16
MAX221ECUE+ MAXIM

类似代替

 Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO16, 4.40 MM, 0.65 MM PITCH, TSSOP-16

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