Cypress CY8C23433 Manual De Usuario
CY8C23433, CY8C23533
Document Number: 001-44369 Rev. *B
Page 25 of 37
AC Electrical Characteristics
AC Chip-Level Specifications
The following table lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C
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.
Table 24. 5V and 3.3V AC Chip-Level Specifications
Symbol
Description
Min
Typ
Max
Units
Notes
F
IMO24
Internal Main Oscillator Frequency for 24
MHz
MHz
23.4
24
24.6
MHz Trimmed for 5V or 3.3V
operation using factory trim
values. See
values. See
SLIMO mode = 0.
F
IMO6
Internal Main Oscillator Frequency for 6 MHz
5.75
6
6.35
MHz Trimmed for 5V or 3.3V
operation using factory trim
values. See
values. See
SLIMO mode = 1.
F
CPU1
CPU Frequency (5V Nominal)
0.093
24
24.6
MHz
F
CPU2
CPU Frequency (3.3V Nominal)
0.093
12
12.3
MHz
F
48M
Digital PSoC Block Frequency
0
48
49.2
MHz Refer to the AC Digital Block
Specifications.
F
24M
Digital PSoC Block Frequency
0
24
24.6
MHz
F
32K1
Internal Low Speed Oscillator Frequency
15
32
75
kHz
F
32K2
External Crystal Oscillator
–
32.768
–
kHz
Accuracy is capacitor and crystal
dependent. 50% duty cycle.
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
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
properly loaded 1 uW maximum
drive level 32.768 kHz crystal.
3.0V
≤ Vdd ≤ 5.5V, -40
°C
≤ T
A
≤
85
°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
MHz Trimmed. Using factory trim
values.
Jitter24M1R
24 MHz Period Jitter (IMO) Root Mean
Squared
Squared
–
–
600
ps
F
MAX
Maximum frequency of signal on row input or
row output.
row output.
–
–
12.3
MHz
T
RAMP
Supply Ramp Time
0
–
–
μs
Notes
13. 4.75V < Vdd < 5.25V.
14. Accuracy derived from Internal Main Oscillator with appropriate trim for Vdd range.
15. 3.0V < Vdd < 3.6V. See Application Note
14. Accuracy derived from Internal Main Oscillator with appropriate trim for Vdd range.
15. 3.0V < Vdd < 3.6V. See Application Note
“Adjusting PSoC Microcontroller Trims for Dual Voltage-Range Operation” for information on trimming for operation
at 3.3V.
16. See the individual user module data sheets for information on maximum frequencies for user modules.