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CY8C24223A, CY8C24423A
Document Number: 3-12029 Rev. *E Page 21 of 31
AC Electrical Characteristics
AC Chip-Level 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
≤ 125°C. Typical parameters apply to 5V at 25°C and are for design guidance only.
Table 20. AC Chip-Level Specifications
Symbol Description Min Typ Max Units Notes
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
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