FT801Q-R datasheet(33/44 Pages) BRIDGETEK

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FT801 Embedded Video Engine Datasheet

Version 1.3

Document Reference No.: BRT_000001

Clearance No.: BRT#003

Parameter

Description

Minimum

Typical

Maximum

Units

Conditions

Voh

Output Voltage

High

VCCIO-0.4

Ioh=4mA

Vol

Output Voltage

Low

0.4

Iol=4mA

Vih

Input High

Voltage

0.7 X

VCCIO

Vil

Input Low

Voltage

0.3 X

VCCIO

Vth

Schmitt

Hysteresis

Voltage

0.28

0.39

0.5

Iin

Input leakage

current

-10

Vin = VCCIO or 0

Ioz

Tri-state output

leakage current

-10

Vin = VCCIO or 0

Table 6-4 Digital I/O Pin Characteristics (VCCIO = +2.5V, Standard Drive Level)

Parameter

Description

Minimum

Typical

Maximum

Units

Conditions

Voh

Output Voltage

High

VCCIO-0.4

Ioh=4mA

Vol

Output Voltage

Low

0.4

Iol=4mA

Vih

Input High

Voltage

0.7 X

VCCIO

Vil

Input Low

Voltage

0.3 X

VCCIO

Vth

Schmitt

Hysteresis

Voltage

0.25

0.35

0.5

Iin

Input leakage

current

-10

Vin = VCCIO or 0

Ioz

Tri-state output

leakage current

-10

Vin = VCCIO or 0

Table 6-5 Digital I/O Pin Characteristics (VCCIO = +1.8V, Standard Drive Level)

6.3

AC Characteristics

6.3.1 System clock

Parameter

Value

Units

Minimum

Typical

Maximum

Internal Relaxation Clock

Untrimmed frequency range

4.46

6.7

12.11

MHz

Trimmed frequency

MHz

Frequency tuning accuracy

-2.5

+2.5

Frequency variation over voltage and

temperature

-3

Crystal

Frequency

12.000

MHz

X1/X2

Capacitance

External clock input

Frequency

12.000

MHz

Duty cycle

Input voltage on

X1/CLKIN

3.3

Vp-p

Table 6-6 System clock characteristics (Ambient Temperature = -40°C to +85°C)

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