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 occurs. Industrial grade devices require 15 ms maximum.

Table 15.3.3V nvSRAM AutoStore/Power Up RECALL (CY8CNP102B)

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

 

 

 

2.65

 

 

V

tVccRISE

VCC Rise Time

150

 

 

 

 

 

 

 

μs

AC General Purpose IO Specifications

 

 

 

 

 

 

 

 

 

Table 16. 3.3V AC GPIO Specifications (CY8CNP102B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symbol

Description

Min

Typ

 

Max

 

Units

 

Notes

FGPIO

GPIO Operating Frequency

0

 

12.3

 

MHz

Normal Strong Mode

TRiseS

Rise Time, Slow Strong Mode, Cload = 50 pF

10

27

 

 

ns

Vcc = 3V to 3.6V

 

 

 

 

 

 

 

 

 

10% - 90%

TFallS

Fall Time, Slow Strong Mode, Cload = 50 pF

10

22

 

 

ns

Vcc = 3V to 3.6V

 

 

 

 

 

 

 

 

 

10% - 90%

Figure 6. GPIO Timing Diagram

90%

GPIO

Pin

Output

Voltage

10%

TRiseF

TFallF

TRiseS

TFallS

Document #: 001-43991 Rev. *D

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Cypress CY8CNP102E manual Power Up Recall Duration, Store Cycle Duration 12.5, Low Voltage Trigger Level, VCC Rise Time 150