max214cwit Maxim Integrated Products, Inc., max214cwit Datasheet - Page 11

• Manufacturer Part Number: max214cwit
• Description: Max214 Programmable Dte/dce, +5v Rs-232 Transceiver
• Manufacturer: Maxim Integrated Products, Inc.

Table 3. Summary of EIA/TIA-232E, V.28
Specifications
Table 4. DB9/DB25 Cable Connections Commonly Used for EIA/TIA-232 and V.24
Asynchronous Interfaces
Driver Output
Voltage
Output Level, Max
Data Rate
Receiver Input
Voltage
Input Level, Max
Instantaneous
Slew Rate, Max
Driver Output
Short-Circuit
Current, Max
Transition Rate on
Driver Output
Driver Output
Resistance
PARAMETER
0 Level
1 Level
0 Level
1 Level
DB9 PIN
1
2
3
4
5
6
7
8
9
DB25 PIN
______________________________________________________________________________________
3k
3k
No load
3k ≤ R
C
3k ≤ R
C
V.28
EIA/TIA-232E
-2V < V
CONDITIONS
L
L
20
22
≤ 2500pF
≤ 2500pF
8
3
2
7
6
4
5
to 7k load
to 7k load
OUT
L
L
≤ 7k
≤ 7k
< +2V
Received Line Signal Detector, sometimes
called Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request to Send
Clear to Send
Ring Indicator
+5.0V to +15V
-5.0V to -15V
±25V
Up to 20kbits/sec
+3.0V to +15V
-3.0V to -15V
±25V
30V/ s
100mA
1ms or 3% of the
period
4% of the period
300
EIA/TIA-232E, V.28
SPECIFICATIONS
NAME
Programmable DTE/DCE,
+5V RS-232 Transceiver
TRANSISTOR COUNT: 694;
SUBSTRATE CONNECTED TO V+.
___________________Chip Topography
RDC
TRA
RTA
RA
RE
TA
RDTC
RRE
HI-Z
C2-
SYMBOL
C2+
DCD
GND
DTR
DSR
RxD
RTS
CTS
TxD
RI
GND
C1-
3.96mm
0.156"
V-
V+
V
CC
Handshake from DCE
Data from DCE
Data from DTE
Handshake from DTE
Reference point for signals
Handshake from DCE
Handshake from DTE
Handshake from DCE
Handshake from DCE
C1+
SHDN
RTC
FUNCTION
TRC
TB
TC
RB
RC
DTE/DCE
TRB
RTB
4.52mm
0.178"
11