FT260 HID-CLASS USB TO UART/I2C BRIDGE IC
Version 1.1
Document No.: FT_001272 Clearance No.: FTDI#484
6.4 USB Characteristics
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
DC Characteristics
URo
Output impedance
Ω
Ω
3.5
7
14
Internal Pull Up
resistance
URpu
0.976
2.8
1.24
1.574
High level Output on DP
and DM
UVOH
UVOL
V
V
Low level Output on DP
and DM
0.3
AC Characteristics
UTrise
UTfall
UVcr
Rise Time on DP/DM
Fall Time on DP/DM
Cross point
ns
ns
V
4
4
10
10
20
20
1.3
2.0
Single-ended receiver
threshold
UVth
V
0.8
2.0
Table 6.7 USB I/O Pin (DP, DM) Characteristics
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