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DS_FT313H Datasheet, PDF (44/64 Pages) Future Technology Devices International Ltd. – The FT313H is a Hi-Speed Universal Serial Bus (USB) Host Controller compatible with Universal Serial Bus Specification Rev 2.0 and supports data transfer speeds of up to 480M bit/s.
Document No.: FT_000589
FT313H USB2.0 HS Host Controller Datasheet Version 1.1
Clearance No.: FTDI# 318
Parameter
Rdrv
Description
Driver output
impedance
Minimum Typical Maximum
40.5
45
49.5
Units
ohm
Conditions
Equivalent
resistance used as
an internal chip
Table 6-6 USB I/O Pin (USBDP, USBDM) Characteristics
Parameter
Description
Minimum Typical Maximum
Units
Conditions
Voh
Output Voltage High
2.4
-
-
V
Ioh=2mA~16mA
Vol
Output Voltage Low
-
-
0.4
V
Iol=2mA~16mA
Vih
Input High Voltage
2.0
-
-
V
LVTTL
Vil
Input Low Voltage
-
-
0.8
V
LVTTL
Vopu*
Output pull up voltage VCC(3V3)-
for 5V tolerant I/Os
0.9
-
-
V
Ipu = 1uA
-
±1
-
uA
Vin = VCC(3V3) or
0
Iin
Input leakage current
-
±1
-
uA
Vin = 5V or 0
Cin
Input capacitor
-
2.3
-
pF
VCC(3V3) with 5V
tolerant I/O
Table 6-7 5V Tolerant Pin (PSW_N, OC_N, VBUS) Characteristics
Note*: This parameter is to indicate that the pull up resistor for the 5V tolerant I/Os cannot reach
VCC(3V3) DC level even without DC loading current.
6.3 AC Characteristics
AC Characteristics (Ambient Temperature = -40°C to +85°C)
System clock dynamic characteristics:
Parameter
Value
Crystal oscillator
Clock frequency
External clock input
external clock
jitter
Minimum
-
-
-
-
Typical
12.00
19.20
24.00
-
clock duty cycle
45
50
Maximum
-
-
-
500
55
Unit
MHz
ps
%
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