CY8C24123A
CY8C24223A, CY8C24423A
Document Number: 38-12028 Rev. *I Page 32 of 56
AC Electrical Characteristics
AC Chip-Level Specifications
The following tables list the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C ≤ T
A
≤ 85°C, 3.0V to 3.6V and -40°C ≤ T
A
≤ 85°C, or 2.4V to 3.0V and -40°C ≤ T
A
≤ 85°C, respectively. Typical parameters
apply to 5V, 3.3V, and 2.7V at 25°C and are for design guidance only.
Table 31. 5V and 3.3V AC Chip-Level Specifications
Symbol Description Min Typ Max Units Notes
F
IMO24
Internal Main Oscillator Frequency for
24 MHz
23.4 24 24.6
a,b,c
MHz Trimmed for 5V or 3.3V operation
using factory trim values. See Figure
12 on page 18. SLIMO mode = 0.
F
IMO6
Internal Main Oscillator Frequency for
6 MHz
5.75 6 6.35
a,b,c
MHz Trimmed for 5V or 3.3V operation
using factory trim values. See Figure
12 on page 18. SLIMO mode = 1.
F
CPU1
CPU Frequency (5V Nominal) 0.93 24 24.6
a,b
a. 4.75V < Vdd < 5.25V.
b. Accuracy derived from Internal Main Oscillator with appropriate trim for Vdd range.
MHz
F
CPU2
CPU Frequency (3.3V Nominal) 0.93 12 12.3
b,c
c. 3.0V < Vdd < 3.6V. See Application Note AN2012 “Adjusting PSoC Microcontroller Trims for Dual Voltage-Range Operation” for information on trimming for
operation at 3.3V.
MHz
F
48M
Digital PSoC Block Frequency 0 48 49.2
a,b,d
d. See the individual user module data sheets for information on maximum frequencies for user modules.
MHz Refer to the AC Digital Block
Specifications.
F
24M
Digital PSoC Block Frequency 0 24 24.6
b, d
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 Is a multiple (x732) of crystal
frequency.
Jitter24M2 24 MHz Period Jitter (PLL) – – 600 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 The crystal oscillator frequency is
within 100 ppm of its final value by the
end of the T
osacc
period. Correct
operation assumes a properly loaded
1 uW maximum drive level 32.768
kHz crystal. 3.0V ≤ Vdd ≤ 5.5V, -40
o
C
≤ T
A
≤ 85
o
C.
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
Fout48M 48 MHz Output Frequency 46.8 48.0 49.2
a,c
MHz Trimmed. Using factory trim values.
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.
– – 12.3 MHz
T
RAMP
Supply Ramp Time 0 – – μs
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