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MAX214CWI 参数 Datasheet PDF下载

MAX214CWI图片预览
型号: MAX214CWI
PDF下载: 下载PDF文件 查看货源
内容描述: 可编程DTE / DCE , + 5V RS- 232收发器 [Programmable DTE/DCE, +5V RS-232 Transceiver]
分类和应用:
文件页数/大小: 12 页 / 135 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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19-0199; Rev 1; 8/95
Programmable DTE/DCE,
+5V RS-232 Transceiver
_______________General Description
The MAX214 +5V RS-232 transceiver provides a com-
plete, 8-line, software-configurable, DTE or DCE port
RS-232 interface. Tx, Rx, RTS, CTS, DTR, DSR, DCD,
and RI circuits can be configured as either Data
Terminal Equipment (DTE) or Data Circuit-Terminating
Equipment (DCE) using the DTE/DCE control pin. The
MAX214 eliminates the need to swap cables when
switching between DTE and DCE configurations.
____________________________Features
o
Eliminates Null Modem Cables
o
Programmable DTE or DCE Serial Port
o
1µF Charge-Pump Capacitors
o
116kbps Data Rate—Guaranteed
o
20µA Shutdown Mode
o
Receivers Active in Shutdown
MAX214
________________________Applications
AT-Compatible Laptop Computers
AT-Compatible Desktop Computers
Modems, Printers, and Other Peripherals
______________Ordering Information
PART
MAX214CPI
MAX214CWI
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
28 Plastic DIP
28 Wide SO
Dice*
28 Plastic DIP
28 Wide SO
__________Typical Operating Circuit
+5V
1µF
16
27
1µF
C1+
V
CC
V+
28
C1-
1
C2+
2
C2-
DTE
DCE
6 RA
DTE
25 TB
23 RB
DTE
24
TC
DTE
DCE
22 RC
DCE
7 RDC
DTE
8
21
26
3
RE
DTE/DCE
SHDN
HI-Z
GND
13
DTE
DCE
RTC 17
RDTC 11
RRE 12
TRC 18
DTE
DCE
RTB 19
TRB 20
RTA 10
TRA 9
1µF
15
MAX214C/D
MAX214EPI
MAX214EWI
* Dice are specified at T
A
= +25°C.
__________________Pin Configuration
TOP VIEW
MAX214
V-
1µF
14
1µF
5 TA
C2+
C2-
HI-Z
N.C.
TA
RA
RDC
RE
TRA
1
2
3
4
5
6
7
8
9
28
27
26
25
C1-
C1+
SHDN
TB
TC
RB
RC
DTE/DCE
TRB
RTB
TRC
RTC
V
CC
V+
MAX214
24
23
22
21
20
19
18
17
16
15
RTA
10
RDTC
11
RRE
12
GND
13
V-
14
DTE
DIP/SO
________________________________________________________________
Maxim Integrated Products
1
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