Cypress CY8C24423A Manual De Usuario

Document Number: 3-12029  Rev. *E

Page 21 of 31

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

 

≤ 125°C. Typical parameters apply to 5V at 25°C and are for design guidance only. 

F

IMO24

Internal Main Oscillator Frequency for 24 MHz

22.95

24

24.96

MHz

Trimmed. Using factory trim 
values.

F

CPU1

CPU Frequency (5V Nominal)

0.09

12

12.48

MHz

F

48M

Digital PSoC Block Frequency

–

–

–

MHz

Not allowed.

F

24M

Digital PSoC Block Frequency

0

24

24.96

a

a. See the individual user module data sheets for information on maximum frequencies for user modules.

MHz

F

32K1

Internal Low Speed Oscillator Frequency

15

32

64

kHz

F

32K2

External Crystal Oscillator

–

32.768

–

kHz

Accuracy is capacitor and 
crystal dependent. 50% duty 
cycle.

F

PLL

PLL Frequency

–

23.986

–

MHz

A multiple (x732) of crystal 
frequency.

Jitter24M2

24 MHz Period Jitter (PLL)

–

–

800

ps

T

PLLSLEW

PLL Lock Time

0.5

–

10

ms

T

PLLSLEWSLOW

PLL Lock Time for Low Gain Setting

0.5

–

50

ms

T

OS

External Crystal Oscillator Startup to 1%

–

1700

2620

ms

T

OSACC

External Crystal Oscillator Startup to 100 ppm

–

2800

3800

ms

Jitter32k

32 kHz Period Jitter

–

100

ns

T

XRST

External Reset Pulse Width

10

–

–

μs

DC24M

24 MHz Duty Cycle

40

50

60

%

Step24M

24 MHz Trim Step Size

–

50

–

kHz

Jitter24M1P

24 MHz Period Jitter (IMO) Peak-to-Peak

–

300

ps

Jitter24M1R

24 MHz Period Jitter (IMO) Root Mean 
Squared

–

–

600

ps

F

MAX

Maximum frequency of signal on row input or 
row output.

–

–

12.48

MHz

T

RAMP

Supply Ramp Time

0

–

–

μs