Cypress CY8C21434 AC General Purpose IO Specifications, AC Operational Amplifier Specifications

CY8C21634, CY8C21534

CY8C21434, CY8C21334, CY8C21234

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 ≤ TA ≤ 85°C, 3.0V to 3.6V and -40°C ≤ TA ≤ 85°C, or 2.4V to 3.0V and -40°C ≤ TA ≤ 85°C, respectively. Typical parameters apply to 5V, 3.3V, or 2.7V 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
FGPIO	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
FGPIO	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%

Figure 18. GPIO Timing Diagram

90%

GPIO

Pin

Output

Voltage

10%

TRiseF	TFallF
TRiseS	TFallS

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

≤TA ≤ 85°C, 3.0V to 3.6V and -40°C ≤ TA ≤ 85°C, or 2.4V to 3.0V and -40°C ≤ TA ≤ 85°C, respectively. Typical parameters apply to 5V, 3.3V, or 2.7V at 25°C and are for design guidance only.

Table 29. AC Operational Amplifier Specifications

Symbol	Description	Min	Typ	Max	Units	Notes
TCOMP	Comparator Mode Response Time, 50 mV			100	ns	Vdd ≥ 3.0V.
	Overdrive			200	ns	2.4V < Vcc < 3.0V.

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

≤TA ≤ 85°C, 3.0V to 3.6V and -40°C ≤ TA ≤ 85°C, or 2.4V to 3.0V and -40°C ≤ TA ≤ 85°C, respectively. Typical parameters apply to 5V at 25°C and are for design guidance only.

Table 30. AC Low Power Comparator Specifications

Symbol	Description	Min	Typ	Max	Units	Notes
TRLPC	LPC response time	–	–	50	μs	≥ 50 mV overdrive comparator
						reference set within VREFLPC.
Document Number: 38-12025 Rev. *O						Page 28 of 45

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