Document Reference No.: FT_000204
DB9-USB-RS232 Datasheet
Version 1.2
Clearance No.: FTDI# 130
4
Electrical details
4.1
USB
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
*Present when USB
USB_VCC
Input Power Voltage*
4.25
5.0*
5.25
V
cable is attached and
USB Host or Hub
powered.
I
cc
USB current
30
50
mA
Table 4.1 – USB Electrical Details
4.2
RS232
Parameter
V
trans
Description
Transmitter output
voltage swing
Receiver input voltage
range
ESD HBM
Minimum
±5
Typical
Maximum
Units
V
Conditions
RL = 3KΩ
V
rec
±2.4
±25
V
Input resistance = 3KΩ
to 7KΩ
RS-232 Inputs and
Outputs
±15
Table 4.2 – RS232 Electrical Details
KV
Copyright © 2010 Future Technology Devices International Limited
15
FTDI [ FUTURE TECHNOLOGY DEVICES INTERNATIONAL LTD. ]
