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CY8C20x36/46/66, CY8C20396
Document Number: 001-12696 Rev. *D Page 22 of 34
AC Chip-Level Specifications
The following table lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.
AC General Purpose IO Specifications
The following table lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.
Table 23. AC Chip-Level Specifications
Symbol Description Conditions Min Typ Max Units
F
MAX
Maximum Operating Frequency 24 – – MHz
F
CPU
Maximum Processing Frequency 24 – – MHz
F
32K1
Internal Low Speed Oscillator Frequency 19 32 50 kHz
F
IMO24
Internal Main Oscillator Frequency at 24
MHz Setting
22.8 24 25.2 MHz
F
IMO12
Internal Main Oscillator Frequency at 12
MHz Setting
11.4 12 12.6 MHz
F
IMO6
Internal Main Oscillator Frequency at 6
MHz Setting
5.7 6.0 6.3 MHz
DC
IMO
Duty Cycle of IMO 40 50 60 %
T
RAMP
Supply Ramp Time 0 – – μs
T
XRST
External Reset Pulse Width at Power Up After supply voltage is valid 1 ms
T
XRST2
External Reset Pulse Width after Power
Up
Applies after part has booted 10 μs
Table 24. 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<5.5V
MHz
TRise23 Rise Time, Strong Mode, Cload = 50 pF
Ports 2 or 3
Vdd = 3.0 to 3.6V, 10% – 90% 15 – 80 ns
TRise23L Rise Time, Strong Mode Low Supply,
Cload = 50 pF, Ports 2 or 3
Vdd = 1.71 to 3.0V, 10% – 90% 15 – 80 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
10 – 50 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
10 – 80 ns
TFall Fall Time, Strong Mode, Cload = 50 pF
All Ports
Vdd = 3.0 to 3.6V, 10% – 90% 10 – 50 ns
TFallL Fall Time, Strong Mode Low Supply,
Cload = 50 pF, All Ports
Vdd = 1.71 to 3.0V, 10% – 90% 10 – 70 ns
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