Ttl-232R-5V And Ttl-232R-3V3 Electrical Parameters; 4.3.1 Ttl-232R-5V Electrical Parameters; 4.3.2 Ttl-232R-3V3 Electrical Parameters; Table 4.1 Ttl-232R-5V And Ttl-232R-3V3 Cable Signal Descriptions - LDG AT-600ProII Operation Manual

Header Pin
Name
Number
4 TXD
5 RXD
6 RTS#

Table 4.1 TTL-232R-5V and TTL-232R-3V3 Cable Signal Descriptions

4.3

TTL-232R-5V and TTL-232R-3V3 Electrical Parameters

4.3.1 TTL-232R-5V Electrical Parameters

Parameter Description
VCC Output Power Voltage
I Output Power Current
O
Operating Temperature
T
Range

Table 4.2 TTL-232R-5V I/O Operating Parameters

Parameter Description
Voh Output Voltage High
Vol Output Voltage Low
Vin Input Switching Threshold
VHys Input Switching Hysteresis

Table 4.3 TTL-232R-5V I/O Pin Characteristics

4.3.2 TTL-232R-3V3 Electrical Parameters

Parameter Description
VCC Output Power Voltage
I Output Power Current
O
Operating Temperature
T
Range

Table 4.4 TTL-232R-3V3 I/O Operating Parameters

TTL-232R
TTL TO USB SERIAL CONVERTER RANGE OF CABLES Datasheet Version 2.03
Type Colour
Output Orange
Input Yellow
Output Green
Minimum
4.25
-
-40
Minimum
3.2
0.3
1.0
20
Minimum
4.25
-
-40
Copyright © Future Technology Devices International Limited
Description
Transmit Asynchronous Data output.
Receive Asynchronous Data input.
Request To Send Control Output / Handshake signal.
Typical Maximum
5.0 5.25
- 75
- +85
Typical Maximum
4.1 4.9
0.4 0.6
1.2 1.5
25 30
Typical Maximum
5.0 5.25
- 75
- +85
Document Reference No.: FT_000054
Clearance No.: FTDI# 53
Units Conditions
Dependant on the USB
V port that the TTL-232R-
5V is connected to
Must be less that 2.5mA
mA
during suspend.
o
C
Units Conditions
V I source = 2mA
V I sink = 2mA
V
mV
Units Conditions
Dependant on the USB
V port that the TTL-232R-
3V3 is connected to
Must be less that 2.5mA
mA
during suspend.
o
C
11