TTL-232R
TTL TO USB SERIAL CONVERTER RANGE OF CABLES Datasheet Version 2.02
Clearance No.: FTDI# 53
Document Reference No.: FT_000054
5.2
TTL-232R-5V-AJ and TTL-232R-3V3-AJ Cable Signal Descriptions
Header Pin
Number
TIP
RING
SLEEVE
Name
TXD
RXD
GND
Type
GND
Input
Output
Colour
Black
Brown
Red
Description
Transmit Asynchronous Data output.
Receive Asynchronous Data input.
GND
Table 5.1 TTL-232R-5V-AJ and TTL-232R-3V3-AJ Cable Signal Descriptions
5.3
TTL-232R-5V-AJ and TTL-232R-3V3-AJ Electrical Parameters
5.3.1 TTL-232R-5V-AJ Electrical Parameters
Parameter
I
O
Description
Output Power Current
Operating Temperature
Range
Minimum
-
Typical
Maximum
75
Units
mA
Conditions
Must be less that 2.5mA
during suspend.
T
-40
+85
o
C
Table 5.2 TTL-232R-5V-AJ I/O Operating Parameters
Parameter
Voh
Vol
Vin
VHys
Description
Output Voltage High
Output Voltage Low
Input Switching Threshold
Input Switching Hysteresis
Minimum
3.2
0.3
1.0
20
Typical
4.1
0.4
1.2
25
Maximum
4.9
0.6
1.5
30
Units
V
V
V
mV
Conditions
I source = 6mA
I sink = 6mA
Table 5.3 TTL-232R-5V-AJ I/O Pin Characteristics
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14
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