參數(shù)資料
型號： CY8C24794-SPC
廠商： Cypress Semiconductor Corp.
英文描述： PSoCTM Mixed-Signal Array
中文描述： PSoCTM混合信號陣列
文件頁數(shù)： 21/32頁
文件大?。?/td> 366K
代理商： CY8C24794-SPC
April 14, 2005
Document No. 38-12018 Rev. *F
21
CY8C24794 Final Data Sheet
3. Electrical Specifications
3.4
AC Electrical Characteristics
3.4.1
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 3-2. 24 MHz Period Jitter (IMO) Timing Diagram
Table 3-16. AC Chip-Level Specifications
Symbol
F
IMO245V
Description
Min
Typ
Max
Units
MHz
Notes
Internal Main Oscillator Frequency for 24 MHz (5V)
23.04
24
24.96
a,b
Trimmed for 5V operation using factory trim
values.
Trimmed for 3.3V operation using factory
trim values.
-10
°
C
≤
T
A
≤
85
°
C
F
IMO243V
Internal Main Oscillator Frequency for 24 MHz (3.3V)
22.08
24
25.92
a,c
MHz
F
IMOUSB
Internal Main Oscillator Frequency with USB
Frequency locking enabled and USB traffic present.
CPU Frequency (5V Nominal)
23.94
24
24.06
b
MHz
F
CPU1
F
CPU2
F
BLK5
F
BLK3
F
32K1
Jitter32k
Step24M
Fout48M
0.93
24
24.96
a,b
12.96
b,c
49.92
a,b,d
25.92
b, d
64
a. 4.75V < Vdd < 5.25V.
b. Accuracy derived fromInternal Main Oscillator with appropriate trimfor Vdd range.
c. 3.0V < Vdd < 3.6V. See Application Note AN2012 “Adjusting PSoC Microcontroller Trims for Dual Voltage-Range Operation” for information on trimmng for operation at 3.3V.
d. See the individual user module data sheets for information on maximumfrequencies for user modules.
MHz
CPU Frequency (3.3V Nominal)
0.93
12
MHz
Digital PSoC Block Frequency (5V Nominal)
0
48
MHz
Refer to the AC Digital Block Specifications.
Digital PSoC Block Frequency (3.3V Nominal)
0
24
MHz
Internal Low Speed Oscillator Frequency
15
32
kHz
32 kHz Period Jitter
24 MHz Trim Step Size
48 MHz Output Frequency
–
–
46.08
100
50
48.0
ns
kHz
MHz
–
49.92
a,c
Trimmed. Utilizing factory trim values.
Jitter24M1
F
MAX
T
RAMP
24 MHz Period Jitter (IMO) Peak-to-Peak
Maximum frequency of signal on row input or row output.
–
–
300
–
ps
MHz
12.96
Supply Ramp Time
0
–
–
μ
s
Jitter24M1
F
24M
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