beautypg.com

Autostore/power up recall, Stk17ta8 – Cypress AutoStore STK17TA8 User Manual

Page 8

background image

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

CC

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

t

HLHZ

STORE Cycle Duration

12.5

ms

10,11

24

V

SWITCH

Low Voltage Trigger Level

2.65

V

25

V

CCRISE

V

CC

Rise Time

150

μS

NOTE

:

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

CC

is below V

SWITCH

25

23

23

22

22

[+] Feedback