TTL234X SERIES RANGE OF CABLES Datasheet
Version 1.0
Document Reference No.: FT_001394 Clearance No.: FTDI#520
5.2 TTL-234X-5V-AJ & TTL-234X-3V3-AJ Cable Signal Description
Header Pin
Name
Type
Colour
Description
Number
TIP
TXD
RXD
GND
GND
Input
Black
Brown
Red
Transmit Asynchronous Data output.
Receive Asynchronous Data input.
GND
RING
SLEEVE
Output
Table 5.1 TTL-234X-5V-AJ and TTL-234X-3V3-AJ Cable Signal Descriptions
5.3 TTL-234X-5V-AJ & TTL-234X-3V3-AJ Electrical Parameters
5.3.1 TTL-234X-5V-AJ Electrical Parameters
Parameter Description
Minimum Typical Maximum
Units
Conditions
Dependant on the USB
port that the TTL-234X-
5V-AJ is connected to
Vcc
Operating Voltage
4.75
5.0
8
5.25
V
Io
T
Operating Current
-
8.3
mA
oC
Normal Operation
Operating Temperature
Range
-40
+85
Table 5.2 TTL-234X-5V-AJ Operating Parameters
Parameter Description
Minimum Typical Maximum
Units
Conditions
Dependant on the USB
port that the TTL-234X-5V-
AJ is connected to
Voh
Output Voltage High
4.75
5.0
5.25
V
Vol
Vil
Output Voltage Low
-
-
0
-
0.4
0.8
V
V
Input Low Switching
Threshold
LVTTL
LVTTL
Input High Switching
Threshold
Vih
2
-
-
V
Table 5.3 TTL-234X-5V-AJ I/O Pin Characteristics
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