Cypress AutoStore STK17TA8 Uživatelský manuál stáhnout pdf (Strana 8)

STK17TA8

Document #: 001-52039 Rev. ** Page 8 of 23

AutoStore/Power Up Recall

Figure 9. AutoStore/Power Up RECALL

Notes

9. t

HRECALL

starts from the time V

rises above V

SWITCH

10. If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE will take place

11. Industrial Grade Devices require 15 ms MAX.

NO.

Symbols

Parameter

STK17TA8

Units Notes

Standard Alternate Min Max

22 t

HRECALL

Power-up RECALL Duration 40 ms 9

23 t

STORE

HLHZ

STORE Cycle Duration 12.5 ms 10,11

24 V

SWITCH

Low Voltage Trigger Level 2.65 V

25 V

CCRISE

Rise Time 150 μS

NOTE: Read and Write cycles will be ignored during STORE, RECALL and while V

is below V

SWITCH

23 23

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Cypress AutoStore STK17TA8 Uživatelský manuál Strana 8