Cypress CY8C24994 Manual De Usuario

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CY8C24094, CY8C24794
CY8C24894, CY8C24994
Document Number: 38-12018 Rev. *M
Page 30 of 47
10.4  AC Electrical Characteristics
10.4.1  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 3.0V 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. 
Figure 10-2.  24 MHz Period Jitter (IMO) Timing Diagram
Table 10-16.  AC Chip-Level Specifications
Symbol
Description
Min
Typ
Max
Units
Notes
F
IMO245V
Internal Main Oscillator Frequency for 24 MHz 
(5V)
23.04
24
24.96
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
MHz
Trimmed for 3.3V operation 
using factory trim values.
F
IMOUSB5
V
Internal Main Oscillator Frequency with USB 
(5V)
Frequency locking enabled and USB traffic 
present.
23.94
24
24.06
MHz
-10°C 
≤ T
A
 
≤ 85°C
4.35 
≤ Vdd ≤ 5.15
F
IMOUSB3
V
Internal Main Oscillator Frequency with USB 
(3.3V)
Frequency locking enabled and USB traffic 
present.
23.94
24
24.06
MHz
-0°C 
≤ T
A
 
≤ 70°C
3.15 
≤ Vdd ≤ 3.45
F
CPU1
CPU Frequency (5V Nominal)
0.93
24
24.96
MHz
F
CPU2
CPU Frequency (3.3V Nominal)
0.93
12
12.96
MHz
F
BLK5
Digital PSoC Block Frequency (5V Nominal)
0
48
49.92
MHz
Refer to the AC Digital Block 
Specifications.
F
BLK3
Digital PSoC Block Frequency (3.3V Nominal) 0
24
25.92
MHz
F
32K1
Internal Low Speed Oscillator Frequency
15
32
64
kHz
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
MHz
Trimmed. Utilizing factory 
trim values.
Jitter24M
1
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
T
RAMP
Supply Ramp Time
0
μs
Jitter24M1
F
24M
Notes
9. 4.75V
 < 
Vdd 
5.25V.
10. Accuracy derived from Internal Main Oscillator with appropriate trim for Vdd range.
11. 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.
12. See the individual user module data sheets for information on maximum frequencies for user modules