FT930Q-R datasheet(43/65 Pages) BRIDGETEK

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FT93x Datasheet Embedded Microcontroller Datasheet

Version 1.5

Document Reference No.: BRT_000051

Clearance No.: BRT#049

Parameter

Description

Minimum

Typical

Maximum

Units

Conditions

Vtl

Schmitt-trigger

negative threshold

Voltage

0.8

1.1

LVTTL

Rpu

Input pull-up

resistance

equivalent

190

KΩ

Vin = 0V

Rpd

Input pull-down

resistance

equivalent

190

KΩ

Vin = VCCIO3V3

Iin

Input leakage

current

-10

±1

+10

Vin = VCCIO3V3

or 0

Cin*

Input Capacitance

2.8

VCCIO3V3 with

5V tolerance I/O

Table 5-3 Digital I/O Pin Characteristics (VCCIO3V3 = +3.3V, Standard Drive Level)

Note*: This parameter indicates that the pull-up resistor for the 5V tolerance I/O cells cannot reach

VCCIO3V3 DC level even without DC loading current.

Cin includes the cell layout capacitance and pad capacitance.

DC characteristics of USB I/O cells

Parameter

Description

Minimum

Typical

Maximum

Units

Conditions

General characteristics

VUSB3V3

USB power supply

voltage

2.97

3.3

3.63

Normal operation

Input level for high speed

Vhscm

Voltage of high speed

data signal in the

common mode

-50

500

Vhssq

High speed squelch

detection threshold

100

Squelch is

detected

150

Squelch is not

detected

Vhsdsc

High speed

disconnection

detection threshold

625

Disconnection is

detected

525

Disconnection is

not detected

Output level for high speed

Vhsoi

High speed idle output

voltage (Differential)

-10

Vhsol

High speed low level

output voltage

(Differential)

-10

Vhsoh

High speed high level

output voltage

(Differential)

-360

400

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