FT232BQ-REEL Datasheet, PDF (16/34 Pages) Future Technology Devices International Ltd. – USB UART IC

Document No.: FT_000329
FT232BL/BQ USB UART IC Datasheet Version 2.2
Clearance No.: FTDI# 171
Parameter
Description
Minimum
Voh
Output Voltage High
4.0
Vol
Output Voltage Low
0.1
Vin
Input Switching
Threshold
1.8
Table 5.5 XTIN / XTOUT Pin Characteristics
Typical
-
-
2.5
Maximum
5.0
1.0
3.2
Units
V
V
V
Conditions
Fosch = 6MHZ
Fosch = 6MHZ
Parameter
Description
Minimum Typical Maximum
Units
Voh
Output Voltage High
3.2
4.1
4.9
V
Vol
Output Voltage Low
0.3
0.4
0.6
V
Vin
Input Switching
Threshold
1.3
1.6
1.9
V
Vhys
Input Switching
Hysteresis
50
55
60
mV
Table 5.6 RESET#, TEST, EECS, EESK, EEDATA Pin Characteristics
**Note 5 – EECS, EESK and EEDATA pins have an internal 200K pull-up resistor to VCC
Conditions
I source = 2mA
I sink = 2mA
**Note 5
Parameter
Description
Minimum Typical Maximum
Units
Voh
Output Voltage High
3.0
-
3.6
V
Vol
Output Voltage Low
0.3
-
0.6
V
Table 5.7 RSTOUT Pin Characteristics (VCCIO = +1.8V, Standard Drive Level)
Conditions
I source = 2mA
I sink = 2mA
Parameter
Uvoh
Description
IO Pins Static Output (
High)
Minimum Typical Maximum Units
Conditions
RI = 1.5K to 3V3Out ( D+)
2.8
-
3.6
V
I = 15K to GND ( D-)
Uvol
IO Pins Static Output (
Low)
0
RI = 1.5K to 3V3Out ( D+)
-
0.3
V
I = 15K to GND ( D-)
Uvse
Single Ended Rx
Threshold
0.8
-
2.0
V
Ucom
Differential Common
Mode
0.8
-
2.5
V
UVDif
Differential Input
Sensitivity
0.2
-
V
UdrvZ
Driver Output Impedance
29
-
44
Ohms
**Note 6
Table 5.8 USB I/O Pin Characteristics
**Note 6 – Driver Output Impedance includes the external 27R series resistors on USBDP and USBDM
pins.
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