Document Number: 38-08036 Rev. *E Page 22 of 33
AC Electrical Characteristics
AC Chip-Level Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and –40°C <
T
A
< 85°C, or 3.15V to 3.5V 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.
Figure 6. 24 MHz Period Jitter (IMO) Timing Diagram
Table 18. AC Chip-Level Specifications
Parameter Description Min Typ Max Unit Notes
F
IMO245V
Internal Main Oscillator Frequency for
24 MHz (5V)
23.04 24 24.96
[7, 8]
MHz Trimmed for 5V operation using
factory trim values.
F
IMO243V
Internal Main Oscillator Frequency for
24 MHz (3.3V)
22.08 24 25.92
[7,9]
MHz Trimmed for 3.3V operation using
factory trim values.
F
IMOUSB
Internal Main Oscillator Frequency with
USB Frequency Locking Enabled and
USB Traffic Present
23.94 24 24.06
[8]
MHz USB operation for system clock
source from the IMO is limited to
0°C <
T
A
< 70°C.
F
CPU1
CPU Frequency (5V Nominal) 0.93 24 24.96
[7,8]
MHz
F
CPU2
CPU Frequency (3.3V Nominal) 0.93 12 12.96
[8, 9]
MHz
F
BLK5
Digital PSoC Block Frequency
(5V Nominal)
0 48 49.92
[7, 8, 10]
MHz Refer to the AC Digital Block
Specifications.
F
BLK3
Digital PSoC Block Frequency (
3.3V Nominal)
0 24 25.92
[8, 10]
MHz
F
32K1
Internal Low Speed Oscillator Frequency 15 32 64 kHz
F
32K_U
Internal Low Speed Oscillator Untrimmed
Frequency
5 – – kHz
DC
ILO
Internal Low Speed Oscillator Duty Cycle 20 50 80 %
Jitter32k 32 kHz Period Jitter – 100 ns
Step24M 24 MHz Trim Step Size – 50 – kHz
Fout48M 48 MHz Output Frequency 46.08 48.0 49.92
[7, 9]
MHz Trimmed. Utilizing factory trim values.
Jitter24M1 24 MHz Period Jitter (IMO) Peak-to-Peak – 300 ps
F
MAX
Maximum Frequency of Signal on Row
Input or Row Output
– – 12.96 MHz
SR
POWER_UP
Power Supply Slew Rate – – 250 V/ms
T
POWERUP
Time from End of POR to CPU Executing
Code
– 16 100 ms
Notes
7. 4.75V < Vdd < 5.25V.
8. Accuracy derived from Internal Main Oscillator with appropriate trim for Vdd range.
9. 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.
10. See the individual user module data sheets for information on maximum frequencies for user modules.
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