MAX214CWI 查看數據表（PDF） - Maxim Integrated
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MAX214CWI Datasheet PDF : 12 Pages
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Programmable DTE/DCE,
+5V RS-232 Transceiver
Table 1a. DTE-Operation Pin Configurations
TTL/CMOS
I/O LABEL
Transmitter (TxD)
MAX214
PIN
5
FUNCTION
MAX214
PIN
9
Receiver (RxD)
6
10
Request to Send (RTS)
25
20
Clear to Send (CTS)
23
19
Data Terminal Ready (DTR)
24
18
Data Set Ready (DSR)
22
17
Detector Carrier Data (DCD)
7
11
Ring Indicator (RI)
8
12
RS-232
I/O LABEL
TxD
RxD
RTS
CTS
DTR
DSR
DCD
RI
DB-25
PIN
2
3
4
5
20
6
8
22
INPUT
THRESHOLD
+
-
-
+
+
Table 1b. DCE-Operation Pin Configurations
MAX214
PIN
5
FUNCTION
MAX214
PIN
10
6
9
25
19
23
20
17
24
11
22
18
7
8
12
RS-232
I/O LABEL
RxD
TxD
CTS
RTS
DSR
DCD
DTR
RI
DB-25
PIN
3
2
5
4
6
8
20
22
INPUT
THRESHOLD
+
-
-
+
6 _______________________________________________________________________________________
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