Cypress CY8CNP102B manual Gpio Operating Frequency, MHz Normal Strong Mode TRiseF, Vcc = 4.75V to

PRELIMINARY CY8CNP102B, CY8CNP102E

In the following table, tHRECALL starts from the time Vcc rises above VSWITCH. If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE takes place. Industrial grade devices require 15 ms maximum.

Table 34. 5V nvSRAM AutoStore/Power Up RECALL (CY8CNP102E)

Parameter		Description				nvSRAM			Unit
					Min		Max
tHRECALL		Power Up RECALL Duration					20		ms
tSTORE		STORE Cycle Duration					12.5		ms
VSWITCH		Low Voltage Trigger Level					4.4		V
tVccRISE		VCC Rise Time			150				μs
AC General Purpose IO Specifications
Table 35. 5V AC GPIO Specifications (CY8CNP102E)
Symbol		Description	Min	Typ	Max	Units		Notes
FGPIO	GPIO Operating Frequency		0	–	12.3	MHz	Normal Strong Mode
TRiseF	Rise Time, Normal Strong Mode, Cload = 50 pF		3	–	18	ns	Vcc = 4.75V to 5.25V
							10% - 90%
TFallF	Fall Time, Normal Strong Mode, Cload = 50 pF		2	–	18	ns	Vcc = 4.75V to 5.25V
							10% - 90%
		Figure 7. GPIO Timing Diagram

90%

GPIO

Pin

Output

Voltage

10%

TRiseF	TFallF
TRiseS	TFallS

Document #: 001-43991 Rev. *D Page 29 of 38

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