Datasheet

MAX214
Programmable DTE/DCE,
+5V RS-232 Transceiver
6 _______________________________________________________________________________________
Table 1a. DTE-Operation Pin Configurations
TTL/CMOS
I/O LABEL
MAX214
PIN
Detector Carrier Data (DCD) 7
Data Set Ready (DSR) 22
Data Terminal Ready (DTR) 24
Clear to Send (CTS) 23
Ring Indicator (RI) 8
Receiver (RxD)
Transmitter (TxD)
6
Request to Send (RTS) 25
FUNCTION
5
11
17
18
19
12
9
10
20
RS-232
I/O LABEL
DCD
DSR
DTR
CTS
RI
TxD
RxD
RTS
INPUT
THRESHOLD
+
-
-
+
+
MAX214
PIN
DB-25
PIN
8
6
20
5
22
2
3
4
MAX214
Table 1b. DCE-Operation Pin Configurations
MAX214
PIN
MAX214
PIN
12
18
17
20
8
11
10
9
19
RS-232
I/O LABEL
22
RI
DTR
24
DSR
RTS23
DCD
RxD
TxD
CTS
INPUT
THRESHOLD
8
7
+
-
-
+
DB-25
PIN
22
20
6
4
3
2
5
5
6
25
FUNCTION