Cypress CY7C604XX Manual De Usuario

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CY7C604XX
Document Number: 001-12395 Rev *H
Page 21 of 30
AC Electrical Characteristics
AC Chip Level Specifications
 lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges. 
AC General Purpose IO Specifications
 lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.
Table 15.  AC Chip Level Specifications
Symbol
Description
Min
Typ
Max
Units
F
MAX
Maximum Operating Frequency
(18)
24
MHz
F
CPU
Maximum Processing Frequency
(19)
24
MHz
F
32K1
Internal Low Speed Oscillator Frequency
19
32
50
kHz
F
IMO24
Internal Main Oscillator Stability for 24 MHz ± 5%
(20)
22.8
24
25.2
MHz
F
IMO12
Internal Main Oscillator Stability for 12 MHz
(20)
11.4
12
12.6
MHz
F
IMO6
Internal Main Oscillator Stability for 6 MHz
5.7
6.0
6.3
MHz
DC
IMO
Duty Cycle of IMO
40
50
60
%
T
RAMP
Supply Ramp Time
0
μs
Table 16.   AC GPIO Specifications
Symbol
Description
Conditions
Min
Typ
Max
Units
F
GPIO
GPIO Operating Frequency
Normal Strong Mode, Port 0, 1
0
0
6 MHz for
1.71V<Vdd<2.4V
12 MHz for
2.4V<Vdd<3.6V
MHz
Normal Strong Mode, Port 2, 3
0
-
3 MHz for
1.71V<Vdd<2.4V
6 MHz for
3.0V<Vdd<3.6V
MHz
TRise23
Rise Time, Strong Mode, Cload 
= 50 pF
Ports 2 or 3
Vdd = 3.0 to 3.6V, 10% – 90%
Vdd = 2.4 to 3.0V, 10% – 90%
15
15
80
100
ns
TRise23L
Rise Time, Strong Mode Low 
Supply, Cload = 50 pF
Ports 2 or 3
Vdd = 1.71 to 3.0V, 10% – 90%
15
100
ns
TRise01
Rise Time, Strong Mode, Cload 
= 50 pF
Ports 0 or 1
Vdd = 3.0 to 3.6V, 10% – 90%
LDO enabled or disabled
Vdd = 2.4 to 3.0V, 10% – 90%
LDO enabled or disabled
10
10
50
70
ns
TRise01L
Rise Time, Strong Mode Low 
Supply, Cload = 50 pF
Ports 0 or 1
Vdd = 1.71 to 3.0V, 10% – 90%
LDO enabled or disabled
15
100
ns
TFall
Fall Time, Strong Mode, Cload = 
50 pF
All Ports
Vdd = 3.0 to 3.6V, 10% – 90%
Vdd = 1.71 to 3.0V, 10% - 90%
10
10
80
80
ns
Notes
18. Digital clocking functions.
19. CPU speed.
20. Trimmed using factory trim values.