Cypress CY14B101K Clock User Manual


 
CY14B101K
Document Number: 001-06401 Rev. *I Page 19 of 28
AutoStore or Power Up RECALL
Parameter Description
CY14B101K
Unit
Min Max
t
HRECALL
[18]
Power Up RECALL Duration 40 ms
t
STORE
[19, 20]
STORE Cycle Duration Commercial 12.5 ms
Industrial 15 ms
V
SWITCH
Low Voltage Trigger Level 2.65 V
t
VCCRISE
VCC Rise Time 150 μs
Figure 12. AutoStore/Power Up RECALL
V
CC
V
SWITCH
t
STORE
t
STORE
t
HRECALL
t
HRECALL
AutoStore
POWER-UP RECALL
Read & Write Inhibited
STORE occurs only
if a SRAM write
has happened
No STORE occurs
without atleast one
SRAM write
t
VCCRISE
Notes
18.t
HRECALL
starts from the time V
CC
rises above V
SWITCH
.
19.If an SRAM Write does not taken place since the last nonvolatile cycle, no STORE takes place.
20.Industrial Grade Devices require 15 ms Max.
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