Cypress CY8C24994 Manual De Usuario

Document Number: 38-12018 Rev. *M

Page 35 of 47

10.0.3  AC External Clock Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V

and -40°C 

≤ T

A

 

≤ 85°C, or 3.0V to 3.6V and -40°C ≤ T

A

 

≤ 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and

are for design guidance only. 

10.0.4  AC Analog Output Buffer Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V

and -40°C 

≤ T

A

 

≤ 85°C, or 3.0V to 3.6V and -40°C ≤ T

A

 

≤ 85°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and

are for design guidance only. 

F

OSCEXT

Frequency for USB Applications

23.94

24

24.06

MHz

–

Duty Cycle

47

50

53

%

–

Power up to IMO Switch

150

–

–

μs

T

ROB

Rising Settling Time to 0.1%, 1V Step, 100pF 

Load

Power = Low

Power = High

–

–

–

–

2.5

2.5

μs

μs

T

SOB

Falling Settling Time to 0.1%, 1V Step, 100pF 

Load

Power = Low 

Power = High

–

–

–

–

2.2

2.2

μs

μs

SR

ROB

Rising Slew Rate (20% to 80%), 1V Step, 100 

pF Load

Power = Low

Power = High

0.65

0.65

–

–

–

–

V/

μs

V/

μs

SR

FOB

Falling Slew Rate (80% to 20%), 1V Step, 100 

pF Load

Power = Low

Power = High

0.65

0.65

–

–

–

–

V/

μs

V/

μs

BW

OBSS

Small Signal Bandwidth, 20mV

pp

, 3dB BW, 

100 pF Load

Power = Low

Power = High

0.8

0.8

–

–

–

–

MHz

MHz

BW

OBLS

Large Signal Bandwidth, 1V

pp

, 3dB BW, 100 

pF Load

Power = Low

Power = High

300

300

–

–

–

–

kHz

kHz