Cypress AutoStore STK17T88 Specifikace stáhnout pdf (Strana 9)

STK17T88

Document Number: 001-52040 Rev. *C Page 9 of 24

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 maximum.

No.

Symbols

Parameter

STK17T88

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 are ignored during STORE, RECALL, and while V

is below V

SWITCH

23 23

Not Recommended for New Designs

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Cypress AutoStore STK17T88 Specifikace Strana 9