Cypress Semiconductor CY8C21234, Техническое описание

Страница: 28 / 45

CY8C21634, CY8C21534
CY8C21434, CY8C21334, CY8C21234
Document Number: 38-12025 Rev. *O Page 28 of 45
AC General Purpose IO Specifications
The following tables list the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40 ° C
≤
T
A
≤
85 ° C, 3.0V to 3.6V and -40 ° C
≤
T
A
≤
85 ° C, or 2.4V to 3.0V and -40 ° C
≤
T
A
≤
85 ° C, respectively. Typical parameters
apply to 5V, 3.3V, or 2.7V at 25 ° C and are for design guidance only.
Figure 18. GPIO Timing Diagram
AC Operational Amplifier Specifications
Table 29 lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40 ° C
≤
T
A
≤
85 ° C, 3.0V to 3.6V and -40 ° C
≤
T
A
≤
85 ° C, or 2.4V to 3.0V and -40 ° C
≤
T
A
≤
85 ° C, respectively. Typical parameters apply to
5V, 3.3V, or 2.7V at 25 ° C and are for design guidance only.
AC Low Power Comparator Specifications
Table 30 lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40 ° C
≤
T
A
≤
85 ° C, 3.0V to 3.6V and -40 ° C
≤
T
A
≤
85 ° C, or 2.4V to 3.0V and -40 ° C
≤
T
A
≤
85 ° C, respectively. Typical parameters apply to
5V at 25 ° C and are for design guidance only.
Table 27. 5V and 3.3V AC GPIO Specifications
Symbol Description Min Typ Max Units Notes
F
GPIO
GPIO Operating Frequency 0 – 12 MHz Normal Strong Mode
TRiseF Rise Time, Normal Strong Mode, Cload = 50 pF 3 – 18 ns Vdd = 4.5 to 5.25V, 10% - 90%
TFallF Fall Time, Normal Strong Mode, Cload = 50 pF 2 – 18 ns Vdd = 4.5 to 5.25V, 10% - 90%
TRiseS Rise Time, Slow Strong Mode, Cload = 50 pF 7 27 – ns Vdd = 3 to 5.25V, 10% - 90%
TFallS Fall Time, Slow Strong Mode, Cload = 50 pF 7 22 – ns Vdd = 3 to 5.25V, 10% - 90%
Table 28. 2.7V AC GPIO Specifications
Symbol Description Min Typ Max Units Notes
F
GPIO
GPIO Operating Frequency 0 – 3 MHz Normal Strong Mode
TRiseF Rise Time, Normal Strong Mode, Cload = 50 pF 6 – 50 ns Vdd = 2.4 to 3.0V, 10% - 90%
TFallF Fall Time, Normal Strong Mode, Cload = 50 pF 6 – 50 ns Vdd = 2.4 to 3.0V, 10% - 90%
TRiseS Rise Time, Slow Strong Mode, Cload = 50 pF 18 40 120 ns Vdd = 2.4 to 3.0V, 10% - 90%
TFallS Fall Time, Slow Strong Mode, Cload = 50 pF 18 40 120 ns Vdd = 2.4 to 3.0V, 10% - 90%
TFallF
TFallS TRiseF
TRiseS
90%
10%
GPIO
Pin
Output
Voltage
Table 29. AC Operational Amplifier Specifications
Symbol Description Min Typ Max Units Notes
T
COMP
Comparator Mode Response Time, 50 mV
Overdrive
100
200
ns
ns
Vdd
≥
3.0V.
2.4V < Vcc < 3.0V.
Table 30. AC Low Power Comparator Specifications
Symbol Description Min Typ Max Units Notes
T
RLPC
LPC response time – – 50
μ
s
≥
50 mV overdrive comparator
reference set within V
REFLPC
.
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