FT313HQ-R datasheet(45/67 Pages) FTDI

45 / 67 page

Document No.: FT_000589

FT313H USB2.0 HS Host Controller Datasheet Version 1.2

Clearance No.: FTDI# 318

Input voltage on

pin X1/CLKIN

3.3

Recommended accuracy of the clock frequency is 50ppm for the crystal.

Table 6-8 System clock characteristics

Analog I/O pins (DP/DM) dynamic characteristics:

Parameter

Description

Minimum

Typical

Maximum

Units

Conditions

Driver characteristic for high speed

Thsr

High speed differential

rise time

500

Thsf

High speed differential

fall time

500

Driver characteristic for full speed

Tfr

Rise time of DP/DM

Cl=50pF

10%~90% of |Voh–Vol|

Tff

Fall time of DP/DM

Cl=50pF

10%~90% of |Voh–Vol|

Tfrma

Differential rise/fall

time matching

110

The first transition

exclude from the

idle mode

Driver characteristic for low speed

Tlr

Rise time of DP/DM

300

Cl=200pF~600pF

10%~90% of |Voh–Vol|

Tlf

Fall time of DP/DM

300

Cl=200pF~600pF

10%~90% of |Voh–Vol|

Tlrma

Differential rise/fall

time matching

125

The first transition

exclude from the

idle mode

Table 6-9 Analog I/O pins characteristics

FT313HQ-R Datasheet(PDF) 45 Page - Future Technology Devices International Ltd.

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